{"id":15510,"date":"2026-10-26T15:09:35","date_gmt":"2026-10-26T15:09:35","guid":{"rendered":"https:\/\/bjftradinggroup.com\/?p=15510"},"modified":"2026-10-26T15:09:35","modified_gmt":"2026-10-26T15:09:35","slug":"forex-spread-widening","status":"publish","type":"post","link":"https:\/\/bjftradinggroup.com\/vi\/forex-spread-widening\/","title":{"rendered":"V\u00ec sao spread Forex gi\u00e3n r\u1ed9ng: Rollover, tin t\u1ee9c, thanh kho\u1ea3n m\u1ecfng v\u00e0 c\u00e1ch thu\u1eadt to\u00e1n x\u1eed l\u00fd"},"content":{"rendered":"<p><\/p>\n<div class=\"fsw-page\">\n<div class=\"fsw-hero\">\n<span class=\"fsw-hero-tag\">BJF TRADING GROUP \u00b7 KH\u1edaP L\u1ec6NH FOREX<\/span><\/p>\n<h2>V\u00ec sao spread Forex gi\u00e3n r\u1ed9ng: <span class=\"fsw-gold\">Rollover, tin t\u1ee9c v\u00e0 thanh kho\u1ea3n m\u1ecfng<\/span><\/h2>\n<p class=\"fsw-hero-sub\">Spread EURUSD 0.2 pip c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh 3 pip l\u00fac 17:00 gi\u1edd New York, v\u00e0 th\u00e0nh 10 pip trong gi\u00e2y \u0111\u1ea7u ti\u00ean sau m\u1ed9t b\u1ea3n tin d\u1eef li\u1ec7u quan tr\u1ecdng. Kh\u00f4ng c\u00f3 g\u00ec h\u1ecfng h\u00f3c khi \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra: th\u1ecb tr\u01b0\u1eddng li\u00ean ng\u00e2n h\u00e0ng v\u1ed1n \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac nh\u01b0 v\u1eady. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch v\u00ec sao spread gi\u00e3n r\u1ed9ng, khi n\u00e0o \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra, n\u00f3 khi\u1ebfn c\u00e1c chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c nhau t\u1ed1n bao nhi\u00eau b\u1eb1ng con s\u1ed1 th\u1ef1c t\u1ebf, c\u00e1ch \u0111o h\u1ed3 s\u01a1 spread c\u1ee7a ch\u00ednh nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a b\u1ea1n v\u00e0 c\u00e1ch c\u00e1c thu\u1eadt to\u00e1n giao d\u1ecbch t\u1ef1 b\u1ea3o v\u1ec7 tr\u01b0\u1edbc hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n<\/div>\n<div class=\"fsw-toc\">\n<strong>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y<\/strong><\/p>\n<ol>\n<li><a href=\"#fsw-what\">Gi\u00e3n spread l\u00e0 g\u00ec (k\u00e8m con s\u1ed1)<\/a><\/li>\n<li><a href=\"#fsw-where\">Spread \u0111\u1ebfn t\u1eeb \u0111\u00e2u<\/a><\/li>\n<li><a href=\"#fsw-rollover\">Rollover: v\u00ec sao spread gi\u00e3n r\u1ed9ng l\u00fac 17:00 New York<\/a><\/li>\n<li><a href=\"#fsw-news\">Tin t\u1ee9c: spread tr\u01b0\u1edbc, trong v\u00e0 sau khi c\u00f4ng b\u1ed1<\/a><\/li>\n<li><a href=\"#fsw-thin\">Phi\u00ean thanh kho\u1ea3n m\u1ecfng, ng\u00e0y l\u1ec5 v\u00e0 phi\u00ean m\u1edf c\u1eeda \u0111\u1ea7u tu\u1ea7n<\/a><\/li>\n<li><a href=\"#fsw-shocks\">C\u00e1c c\u00fa s\u1ed1c ngo\u00e0i l\u1ecbch<\/a><\/li>\n<li><a href=\"#fsw-broker\">Nguy\u00ean nh\u00e2n t\u1eeb ph\u00eda nh\u00e0 m\u00f4i gi\u1edbi<\/a><\/li>\n<li><a href=\"#fsw-cost\">Gi\u00e3n spread g\u00e2y t\u1ed1n k\u00e9m th\u1ebf n\u00e0o cho t\u1eebng chi\u1ebfn l\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"#fsw-stops\">T\u00e1c \u0111\u1ed9ng \u1ea9n: l\u1ec7nh d\u1eebng, l\u1ec7nh ch\u1edd v\u00e0 k\u00fd qu\u1ef9<\/a><\/li>\n<li><a href=\"#fsw-measure\">C\u00e1ch \u0111o h\u1ed3 s\u01a1 spread c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi<\/a><\/li>\n<li><a href=\"#fsw-algos\">Thu\u1eadt to\u00e1n x\u1eed l\u00fd gi\u00e3n spread nh\u01b0 th\u1ebf n\u00e0o<\/a><\/li>\n<li><a href=\"#fsw-arbitrage\">Gi\u00e3n spread trong ch\u00eanh l\u1ec7ch gi\u00e1 \u0111\u1ed9 tr\u1ec5<\/a><\/li>\n<li><a href=\"#fsw-mistakes\">Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#fsw-faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"fsw-what\">Gi\u00e3n spread l\u00e0 g\u00ec (k\u00e8m con s\u1ed1)<\/h2>\n<p class=\"fsw-answer\"><strong>Tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn:<\/strong> spread l\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 bid (gi\u00e1 b\u1ea1n c\u00f3 th\u1ec3 b\u00e1n) v\u00e0 gi\u00e1 ask (gi\u00e1 b\u1ea1n c\u00f3 th\u1ec3 mua). Gi\u00e3n spread l\u00e0 s\u1ef1 gia t\u0103ng t\u1ea1m th\u1eddi c\u1ee7a kho\u1ea3ng ch\u00eanh l\u1ec7ch \u0111\u00f3, th\u01b0\u1eddng do c\u00f3 \u00edt nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n b\u00e1o gi\u00e1 h\u01a1n, ho\u1eb7c do h\u1ecd b\u00e1o gi\u00e1 th\u1eadn tr\u1ecdng h\u01a1n. Ba th\u1eddi \u0111i\u1ec3m \u0111i\u1ec3n h\u00ecnh l\u00e0 rollover h\u1eb1ng ng\u00e0y quanh 17:00 gi\u1edd New York, c\u00e1c b\u1ea3n tin kinh t\u1ebf theo l\u1ecbch, v\u00e0 c\u00e1c giai \u0111o\u1ea1n giao d\u1ecbch m\u1ecfng nh\u01b0 ng\u00e0y l\u1ec5 v\u00e0 phi\u00ean m\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt.<\/p>\n<p>L\u1ea5y v\u00ed d\u1ee5 m\u1ed9t t\u00e0i kho\u1ea3n raw-spread tr\u00ean EURUSD. Trong kho\u1ea3ng giao thoa gi\u1eefa phi\u00ean London v\u00e0 New York, b\u00e1o gi\u00e1 th\u01b0\u1eddng l\u00e0 1.08500 \/ 1.08502: spread 0.2 pip. T\u1ea1i th\u1eddi \u0111i\u1ec3m rollover h\u1eb1ng ng\u00e0y, c\u00f9ng nh\u00e0 m\u00f4i gi\u1edbi \u0111\u00f3 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb 1.08490 \/ 1.08520: 3.0 pip. Trong gi\u00e2y \u0111\u1ea7u ti\u00ean sau b\u1ea3n tin b\u1ea3ng l\u01b0\u01a1ng phi n\u00f4ng nghi\u1ec7p M\u1ef9 (non-farm payrolls), b\u00e1o gi\u00e1 c\u00f3 th\u1ec3 tho\u00e1ng ch\u1ed1c l\u00e0 1.08460 \/ 1.08560: 10 pip. Trong tr\u01b0\u1eddng h\u1ee3p rollover, gi\u00e1 gi\u1eefa g\u1ea7n nh\u01b0 kh\u00f4ng \u0111\u1ed5i; ch\u1ec9 l\u00e0 vi\u1ec7c v\u01b0\u1ee3t qua spread tr\u1edf n\u00ean \u0111\u1eaft h\u01a1n.<\/p>\n<p>V\u1edbi m\u1ed9t lot ti\u00eau chu\u1ea9n (100,000 \u0111\u01a1n v\u1ecb), m\u1ed9t pip tr\u00ean EURUSD c\u00f3 gi\u00e1 tr\u1ecb kho\u1ea3ng $10. V\u01b0\u1ee3t qua spread m\u1ed9t l\u1ea7n t\u1ed1n $2 \u1edf m\u1ee9c 0.2 pip, $30 \u1edf m\u1ee9c 3 pip v\u00e0 $100 \u1edf m\u1ee9c 10 pip. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c m\u1edf v\u00e0 \u0111\u00f3ng v\u1ecb th\u1ebf v\u00e0o sai th\u1eddi \u0111i\u1ec3m s\u1ebd ph\u1ea3i tr\u1ea3 kho\u1ea3n ch\u00eanh l\u1ec7ch \u0111\u00f3 m\u1ed7i l\u1ea7n, v\u00e0 kh\u00f4ng bi\u1ec3u \u0111\u1ed3 gi\u00e1 n\u00e0o d\u1ef1ng t\u1eeb gi\u00e1 bid s\u1ebd cho b\u1ea1n th\u1ea5y \u0111i\u1ec1u n\u00e0y.<\/p>\n<div class=\"fsw-cards\">\n<div class=\"fsw-card\"><span class=\"fsw-card-v\">0.1&ndash;0.3<\/span><span class=\"fsw-card-l\">Gi\u1edd thanh kho\u1ea3n cao, EURUSD<\/span><span class=\"fsw-card-n\">pip, t\u00e0i kho\u1ea3n ECN raw-spread trong phi\u00ean London v\u00e0 New York<\/span><\/div>\n<div class=\"fsw-card\"><span class=\"fsw-card-v\">1&ndash;5+<\/span><span class=\"fsw-card-l\">Rollover h\u1eb1ng ng\u00e0y<\/span><span class=\"fsw-card-n\">pip tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh trong v\u00e0i ph\u00fat quanh 17:00 New York; c\u1eb7p ch\u00e9o v\u00e0 kim lo\u1ea1i r\u1ed9ng h\u01a1n nhi\u1ec1u<\/span><\/div>\n<div class=\"fsw-card\"><span class=\"fsw-card-v\">3&ndash;20+<\/span><span class=\"fsw-card-l\">Tin t\u1ee9c tier-1<\/span><span class=\"fsw-card-n\">pip trong v\u00e0i gi\u00e2y quanh NFP, CPI ho\u1eb7c quy\u1ebft \u0111\u1ecbnh c\u1ee7a ng\u00e2n h\u00e0ng trung \u01b0\u01a1ng, sau \u0111\u00f3 thu h\u1eb9p nhanh<\/span><\/div>\n<\/div>\n<p class=\"fsw-note\">C\u00e1c kho\u1ea3ng tham kh\u1ea3o \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb \u0111i\u1ec1u ki\u1ec7n ECN\/STP \u0111i\u1ec3n h\u00ecnh. M\u1ed7i nh\u00e0 m\u00f4i gi\u1edbi, lo\u1ea1i t\u00e0i kho\u1ea3n v\u00e0 c\u00f4ng c\u1ee5 c\u00f3 h\u1ed3 s\u01a1 ri\u00eang; h\u00e3y \u0111o h\u1ed3 s\u01a1 c\u1ee7a b\u1ea1n theo c\u00e1ch h\u01b0\u1edbng d\u1eabn b\u00ean d\u01b0\u1edbi.<\/p>\n<h2 id=\"fsw-where\">Spread \u0111\u1ebfn t\u1eeb \u0111\u00e2u<\/h2>\n<p>Forex kh\u00f4ng c\u00f3 s\u00e0n giao d\u1ecbch t\u1eadp trung. Theo <a href=\"https:\/\/www.bis.org\/statistics\/rpfx25_fx.htm\" target=\"_blank\" rel=\"noopener\">BIS Triennial Survey<\/a>, th\u1ecb tr\u01b0\u1eddng giao d\u1ecbch kho\u1ea3ng $9.6 trillion m\u1ed7i ng\u00e0y v\u00e0o th\u00e1ng 4 n\u0103m 2025, nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00f3 ph\u00e2n t\u00e1n gi\u1eefa c\u00e1c ng\u00e2n h\u00e0ng, nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng phi ng\u00e2n h\u00e0ng, ECN v\u00e0 nh\u00e0 m\u00f4i gi\u1edbi. M\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi b\u00e1n l\u1ebb hay chuy\u00ean nghi\u1ec7p th\u01b0\u1eddng t\u1ed5ng h\u1ee3p b\u00e1o gi\u00e1 t\u1eeb nhi\u1ec1u nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n (LP). Gi\u00e1 bid c\u1ee7a b\u1ea1n l\u00e0 bid t\u1ed1t nh\u1ea5t trong s\u1ed1 \u0111\u00f3, gi\u00e1 ask l\u00e0 ask t\u1ed1t nh\u1ea5t, v\u00e0 nh\u00e0 m\u00f4i gi\u1edbi c\u00f3 th\u1ec3 c\u1ed9ng th\u00eam ph\u1ea7n markup.<\/p>\n<p>T\u1eeb \u0111\u00f3 c\u00f3 m\u1ed9t quy t\u1eafc \u0111\u01a1n gi\u1ea3n: <strong>spread b\u1ea1n th\u1ea5y ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng LP \u0111ang b\u00e1o gi\u00e1, kh\u1ed1i l\u01b0\u1ee3ng h\u1ecd hi\u1ec3n th\u1ecb \u1edf \u0111\u1ec9nh s\u1ed5 l\u1ec7nh v\u00e0 m\u1ee9c r\u1ee7i ro h\u1ecd mu\u1ed1n ch\u1ea5p nh\u1eadn ngay l\u00fac n\u00e0y.<\/strong> B\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng b\u00e1o gi\u00e1 \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c khi\u1ebfn LP th\u1eadn tr\u1ecdng h\u01a1n \u0111\u1ec1u l\u00e0m spread gi\u00e3n r\u1ed9ng. C\u00f3 ba nh\u00f3m nguy\u00ean nh\u00e2n:<\/p>\n<ul class=\"fsw-checks\">\n<li><strong>\u00cdt ng\u01b0\u1eddi tham gia h\u01a1n:<\/strong> cu\u1ed1i ng\u00e0y giao d\u1ecbch New York, ng\u00e0y l\u1ec5, phi\u00ean m\u1edf c\u1eeda \u0111\u1ea7u tu\u1ea7n, kho\u1ea3ng th\u1eddi gian gi\u1eefa l\u00fac M\u1ef9 \u0111\u00f3ng c\u1eeda v\u00e0 Tokyo m\u1edf c\u1eeda.<\/li>\n<li><strong>B\u1ea5t \u0111\u1ecbnh cao h\u01a1n:<\/strong> m\u1ed9t b\u1ea3n tin theo l\u1ecbch s\u1eafp \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 trong v\u00e0i gi\u00e2y, quy\u1ebft \u0111\u1ecbnh c\u1ee7a ng\u00e2n h\u00e0ng trung \u01b0\u01a1ng, m\u1ed9t tin t\u1ee9c b\u1ea5t ng\u1edd.<\/li>\n<li><strong>L\u00fd do k\u1ef9 thu\u1eadt v\u00e0 kinh doanh:<\/strong> b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng c\u1ee7a LP v\u00e0o cu\u1ed1i ng\u00e0y, markup c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi, nh\u00f3m spread r\u1ed9ng h\u01a1n d\u00e0nh cho m\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng, c\u00f4ng c\u1ee5 c\u00f3 \u00edt thanh kho\u1ea3n t\u1ef1 nhi\u00ean.<\/li>\n<\/ul>\n<figure class=\"fsw-figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/10\/spread-by-hour-forex-spread-widening-1760x800-1.webp\" alt=\"Bi\u1ec3u \u0111\u1ed3 spread EURUSD \u0111i\u1ec3n h\u00ecnh trong 24 gi\u1edd theo UTC v\u1edbi \u0111\u1ec9nh t\u0103ng v\u1ecdt l\u00fac rollover h\u1eb1ng ng\u00e0y v\u00e0 gi\u1edd ch\u00e2u \u00c1 y\u00ean t\u0129nh h\u01a1n (h\u1ed3 s\u01a1 minh h\u1ecda)\" width=\"1760\" height=\"800\" \/><figcaption>H\u1ed3 s\u01a1 spread 24 gi\u1edd \u0111i\u1ec3n h\u00ecnh tr\u00ean t\u00e0i kho\u1ea3n EURUSD raw-spread (minh h\u1ecda, kh\u00f4ng ph\u1ea3i d\u1eef li\u1ec7u c\u1ee7a m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi c\u1ee5 th\u1ec3). \u0110\u1ec9nh t\u0103ng v\u1ecdt l\u00e0 rollover h\u1eb1ng ng\u00e0y; spread h\u1eb9p nh\u1ea5t khi phi\u00ean London v\u00e0 New York giao thoa.<\/figcaption><\/figure>\n<h2 id=\"fsw-rollover\">Rollover: v\u00ec sao spread gi\u00e3n r\u1ed9ng l\u00fac 17:00 New York<\/h2>\n<p>Ng\u00e0y giao d\u1ecbch forex k\u1ebft th\u00fac l\u00fac 17:00 gi\u1edd New York. \u0110\u00f3 l\u00e0 21:00 UTC khi M\u1ef9 \u00e1p d\u1ee5ng gi\u1edd m\u00f9a h\u00e8 v\u00e0 22:00 UTC v\u00e0o m\u00f9a \u0111\u00f4ng. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ng\u00e0y gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c v\u1ecb th\u1ebf giao ngay d\u1eddi th\u00eam m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c, c\u00e1c v\u1ecb th\u1ebf m\u1edf nh\u1eadn ho\u1eb7c tr\u1ea3 ph\u00ed swap qua \u0111\u00eam, v\u00e0 nhi\u1ec1u h\u1ec7 th\u1ed1ng chuy\u1ec3n sang ng\u00e0y giao d\u1ecbch m\u1edbi.<\/p>\n<p>Nhi\u1ec1u vi\u1ec7c di\u1ec5n ra c\u00f9ng l\u00fac, v\u00e0 m\u1ed7i vi\u1ec7c \u0111\u1ec1u r\u00fat thanh kho\u1ea3n kh\u1ecfi th\u1ecb tr\u01b0\u1eddng:<\/p>\n<ol>\n<li><strong>LP chuy\u1ec3n s\u1ed5 v\u1ecb th\u1ebf.<\/strong> Ng\u00e2n h\u00e0ng v\u00e0 nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng chuy\u1ec3n v\u1ecb th\u1ebf sang ng\u00e0y gi\u00e1 tr\u1ecb ti\u1ebfp theo v\u00e0 t\u00ednh l\u1ea1i r\u1ee7i ro. Nhi\u1ec1u b\u00ean ng\u1eebng truy\u1ec1n b\u00e1o gi\u00e1 ho\u1eb7c ch\u1ec9 truy\u1ec1n kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf trong v\u00e0i ph\u00fat.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/strong> M\u1ed9t s\u1ed1 LP v\u00e0 ECN c\u00f3 kho\u1ea3ng ngh\u1ec9 b\u1ea3o tr\u00ec ng\u1eafn quanh cu\u1ed1i ng\u00e0y. M\u1ed9t s\u1ed1 nh\u00e0 m\u00f4i gi\u1edbi c\u0169ng t\u1ea1m d\u1eebng giao d\u1ecbch v\u00e0i ph\u00fat.<\/li>\n<li><strong>D\u00f2ng l\u1ec7nh t\u1ef1 nhi\u00ean bi\u1ebfn m\u1ea5t.<\/strong> C\u00e1c doanh nghi\u1ec7p v\u00e0 qu\u1ef9 M\u1ef9 \u0111\u00e3 k\u1ebft th\u00fac ng\u00e0y l\u00e0m vi\u1ec7c, Tokyo ch\u01b0a b\u1eaft \u0111\u1ea7u v\u00e0 Sydney v\u1eeba m\u1edbi m\u1edf c\u1eeda. Giao d\u1ecbch hai chi\u1ec1u th\u1ef1c s\u1ef1 \u1edf m\u1ee9c th\u1ea5p nh\u1ea5t trong ng\u00e0y.<\/li>\n<li><strong>C\u00e1c LP c\u00f2n l\u1ea1i t\u1ef1 b\u1ea3o v\u1ec7.<\/strong> Khi c\u00f3 \u00edt \u0111\u1ed1i th\u1ee7 h\u01a1n v\u00e0 kh\u00f4ng ai \u0111\u1ec3 b\u00f9 tr\u1eeb r\u1ee7i ro, h\u1ecd b\u00e1o gi\u00e1 r\u1ed9ng h\u01a1n. \u0110\u1ec9nh s\u1ed5 l\u1ec7nh t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb \u00edt b\u00e1o gi\u00e1 h\u01a1n v\u00e0 th\u1eadn tr\u1ecdng h\u01a1n.<\/li>\n<\/ol>\n<figure class=\"fsw-figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/10\/rollover-order-book-forex-spread-widening-1760x800-1.webp\" alt=\"S\u01a1 \u0111\u1ed3 s\u1ed5 l\u1ec7nh forex t\u1ed5ng h\u1ee3p tr\u01b0\u1edbc v\u00e0 trong rollover: \u00edt nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n b\u00e1o gi\u00e1 h\u01a1n v\u00e0 spread \u1edf \u0111\u1ec9nh s\u1ed5 l\u1ec7nh r\u1ed9ng h\u01a1n\" width=\"1760\" height=\"800\" \/><figcaption>Tr\u01b0\u1edbc rollover, nhi\u1ec1u nh\u00e0 cung c\u1ea5p c\u1ea1nh tranh \u1edf \u0111\u1ec9nh s\u1ed5 l\u1ec7nh. Trong rollover, m\u1ed9t s\u1ed1 ng\u1eebng b\u00e1o gi\u00e1 v\u00e0 s\u1ed1 c\u00f2n l\u1ea1i b\u00e1o gi\u00e1 r\u1ed9ng h\u01a1n, n\u00ean bid t\u1ed1t nh\u1ea5t v\u00e0 ask t\u1ed1t nh\u1ea5t t\u00e1ch xa nhau.<\/figcaption><\/figure>\n<p>Tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh, hi\u1ec7n t\u01b0\u1ee3ng gi\u00e3n spread th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn kho\u1ea3ng 30 ph\u00fat, \u0111\u1ea1t \u0111\u1ec9nh trong nh\u1eefng ph\u00fat \u0111\u1ea7u sau 17:00. Tr\u00ean c\u00e1c c\u1eb7p ch\u00e9o, c\u1eb7p ngo\u1ea1i lai v\u00e0 kim lo\u1ea1i, m\u1ee9c gi\u00e3n l\u1edbn h\u01a1n v\u00e0 k\u00e9o d\u00e0i l\u00e2u h\u01a1n, th\u01b0\u1eddng cho \u0111\u1ebfn khi thanh kho\u1ea3n Tokyo xu\u1ea5t hi\u1ec7n. V\u00e0o th\u1ee9 T\u01b0, swap ba ng\u00e0y \u0111\u01b0\u1ee3c t\u00ednh c\u00f9ng th\u1eddi \u0111i\u1ec3m (\u0111\u1ec3 bao g\u1ed3m c\u00e1c ng\u00e0y gi\u00e1 tr\u1ecb cu\u1ed1i tu\u1ea7n), \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u1eef v\u1ecb th\u1ebf qua \u0111\u00eam; xem <a href=\"https:\/\/bjftradinggroup.com\/swap-arbitrage\/\">h\u01b0\u1edbng d\u1eabn v\u1ec1 ch\u00eanh l\u1ec7ch gi\u00e1 swap<\/a> c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft c\u00e1ch t\u00ednh swap.<\/p>\n<div class=\"fsw-box\"><strong>B\u1eaby gi\u1edd m\u00f9a h\u00e8.<\/strong> Ch\u00e2u \u00c2u v\u00e0 M\u1ef9 \u0111\u1ed5i gi\u1edd v\u00e0o nh\u1eefng ng\u00e0y kh\u00e1c nhau. Trong m\u1ed9t \u0111\u1ebfn ba tu\u1ea7n v\u00e0o th\u00e1ng 3 v\u00e0 th\u00e1ng 10\/11, kho\u1ea3ng c\u00e1ch gi\u1eefa London v\u00e0 New York thay \u0111\u1ed5i, k\u00e9o theo th\u1eddi \u0111i\u1ec3m rollover theo UTC c\u0169ng thay \u0111\u1ed5i. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh c\u1ee9ng khung \u201ckh\u00f4ng giao d\u1ecbch 21:55&ndash;22:30 UTC\u201d s\u1ebd sai trong m\u1ed9t ph\u1ea7n c\u1ee7a n\u0103m. H\u00e3y \u0111\u1ecbnh ngh\u0129a khung gi\u1edd theo gi\u1edd New York, ho\u1eb7c \u0111o b\u1eb1ng b\u1ed9 l\u1ecdc spread thay v\u00ec \u0111\u1ed3ng h\u1ed3.<\/div>\n<h2 id=\"fsw-news\">Tin t\u1ee9c: spread tr\u01b0\u1edbc, trong v\u00e0 sau khi c\u00f4ng b\u1ed1<\/h2>\n<p>C\u00e1c b\u1ea3n tin theo l\u1ecbch nh\u01b0 b\u1ea3ng l\u01b0\u01a1ng phi n\u00f4ng nghi\u1ec7p M\u1ef9, CPI, quy\u1ebft \u0111\u1ecbnh l\u00e3i su\u1ea5t c\u1ee7a ng\u00e2n h\u00e0ng trung \u01b0\u01a1ng v\u00e0 c\u00e1c cu\u1ed9c h\u1ecdp b\u00e1o t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh spread r\u1ea5t \u0111\u1eb7c tr\u01b0ng. Spread th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u gi\u00e3n t\u1eeb 10 \u0111\u1ebfn 60 gi\u00e2y tr\u01b0\u1edbc khi c\u00f4ng b\u1ed1 khi LP r\u00fat b\u00e1o gi\u00e1 ho\u1eb7c gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng: kh\u00f4ng ai mu\u1ed1n l\u00e0 m\u1ee9c gi\u00e1 cu\u1ed1i c\u00f9ng tr\u00ean m\u00e0n h\u00ecnh khi s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1. Trong gi\u00e2y \u0111\u1ea7u ti\u00ean sau b\u1ea3n tin, spread r\u1ed9ng nh\u1ea5t v\u00e0 b\u00e1o gi\u00e1 c\u00f3 th\u1ec3 nh\u1ea3y v\u00e0i pip c\u00f9ng l\u00fac. Sau \u0111\u00f3, khi LP \u0111\u00e3 th\u1ea5y s\u1ed1 li\u1ec7u v\u00e0 xu h\u01b0\u1edbng \u1ed5n \u0111\u1ecbnh, h\u1ecd quay l\u1ea1i v\u00e0 spread thu h\u1eb9p v\u1ec1 m\u1ee9c b\u00ecnh th\u01b0\u1eddng, th\u01b0\u1eddng trong v\u00f2ng 1 \u0111\u1ebfn 5 ph\u00fat tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh.<\/p>\n<figure class=\"fsw-figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/10\/news-spread-timeline-forex-spread-widening-1760x800-1.webp\" alt=\"Bi\u1ec3u \u0111\u1ed3 d\u00f2ng th\u1eddi gian c\u1ee7a spread EURUSD t\u1eeb 60 gi\u00e2y tr\u01b0\u1edbc \u0111\u1ebfn 180 gi\u00e2y sau m\u1ed9t b\u1ea3n tin d\u1eef li\u1ec7u l\u1edbn c\u1ee7a M\u1ef9, th\u1ec3 hi\u1ec7n giai \u0111o\u1ea1n gi\u00e3n tr\u01b0\u1edbc tin, \u0111\u1ec9nh v\u00e0 thu h\u1eb9p (minh h\u1ecda)\" width=\"1760\" height=\"800\" \/><figcaption>H\u00ecnh d\u1ea1ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a spread quanh m\u1ed9t b\u1ea3n tin tier-1 (m\u00f4 h\u00ecnh minh h\u1ecda): gi\u00e3n ra tr\u01b0\u1edbc khi c\u00f3 s\u1ed1 li\u1ec7u, m\u1ed9t \u0111\u1ec9nh ng\u1eafn v\u00e0 thu h\u1eb9p nhanh nh\u01b0ng kh\u00f4ng t\u1ee9c th\u00ec.<\/figcaption><\/figure>\n<p>C\u00f3 hai h\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf. Th\u1ee9 nh\u1ea5t, l\u1ec7nh th\u1ecb tr\u01b0\u1eddng g\u1eedi \u0111\u00fang l\u00fac c\u00f4ng b\u1ed1 tin ph\u1ea3i tr\u1ea3 spread r\u1ed9ng nh\u1ea5t v\u00e0 tr\u01b0\u1ee3t gi\u00e1 l\u1edbn nh\u1ea5t c\u00f9ng m\u1ed9t l\u00fac; <a href=\"https:\/\/bjftradinggroup.com\/forex-slippage-explained\/\">h\u01b0\u1edbng d\u1eabn v\u1ec1 tr\u01b0\u1ee3t gi\u00e1 forex<\/a> c\u1ee7a ch\u00fang t\u00f4i cho th\u1ea5y hai chi ph\u00ed n\u00e0y c\u1ed9ng d\u1ed3n nh\u01b0 th\u1ebf n\u00e0o. Th\u1ee9 hai, bi\u1ebfn \u0111\u1ed9ng sau tin th\u01b0\u1eddng l\u00e0 th\u1eadt, v\u00e0 m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 giao d\u1ecbch n\u00f3. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn kh\u00eda c\u1ea1nh n\u00e0y c\u1ee7a th\u1ecb tr\u01b0\u1eddng, h\u00e3y \u0111\u1ecdc c\u00e1ch <a href=\"https:\/\/bjftradinggroup.com\/economic-news-trading\/\">giao d\u1ecbch tin t\u1ee9c kinh t\u1ebf<\/a> ho\u1ea1t \u0111\u1ed9ng v\u00e0 v\u00ec sao t\u1ed1c \u0111\u1ed9 l\u1ea1i quan tr\u1ecdng \u1edf \u0111\u00f3.<\/p>\n<div class=\"fsw-table-wrap\">\n<table class=\"fsw-table\">\n<thead>\n<tr>\n<th>S\u1ef1 ki\u1ec7n<\/th>\n<th>Th\u1eddi \u0111i\u1ec3m th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u gi\u00e3n<\/th>\n<th>\u0110\u1ec9nh<\/th>\n<th>Tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng (c\u1eb7p ch\u00ednh)<\/th>\n<th>Ch\u1ecbu \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ea3ng l\u01b0\u01a1ng phi n\u00f4ng nghi\u1ec7p M\u1ef9, CPI<\/td>\n<td>10&ndash;60 gi\u00e2y tr\u01b0\u1edbc<\/td>\n<td>0&ndash;2 gi\u00e2y sau<\/td>\n<td>1&ndash;5 ph\u00fat<\/td>\n<td>C\u00e1c c\u1eb7p USD, v\u00e0ng, ch\u1ec9 s\u1ed1 M\u1ef9<\/td>\n<\/tr>\n<tr>\n<td>Quy\u1ebft \u0111\u1ecbnh l\u00e3i su\u1ea5t c\u1ee7a ng\u00e2n h\u00e0ng trung \u01b0\u01a1ng<\/td>\n<td>30&ndash;120 gi\u00e2y tr\u01b0\u1edbc<\/td>\n<td>Quy\u1ebft \u0111\u1ecbnh v\u00e0 h\u1ecdp b\u00e1o<\/td>\n<td>V\u00e0i ph\u00fat, l\u1eb7p l\u1ea1i trong ph\u1ea7n h\u1ecfi \u0111\u00e1p<\/td>\n<td>\u0110\u1ed3ng ti\u1ec1n c\u1ee7a ng\u00e2n h\u00e0ng \u0111\u00f3<\/td>\n<\/tr>\n<tr>\n<td>Rollover h\u1eb1ng ng\u00e0y<\/td>\n<td>1&ndash;5 ph\u00fat tr\u01b0\u1edbc 17:00 NY<\/td>\n<td>Nh\u1eefng ph\u00fat \u0111\u1ea7u sau 17:00 NY<\/td>\n<td>5&ndash;30 ph\u00fat<\/td>\n<td>C\u1eb7p ch\u00e9o, c\u1eb7p ngo\u1ea1i lai, kim lo\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td>M\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt<\/td>\n<td>Th\u1ecb tr\u01b0\u1eddng m\u1edf c\u1eeda<\/td>\n<td>Nh\u1eefng ph\u00fat \u0111\u1ea7u ti\u00ean<\/td>\n<td>Th\u01b0\u1eddng \u0111\u1ebfn khi Tokyo m\u1edf c\u1eeda<\/td>\n<td>T\u1ea5t c\u1ea3 c\u00e1c c\u1eb7p, \u0111\u1eb7c bi\u1ec7t sau tin t\u1ee9c cu\u1ed1i tu\u1ea7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"fsw-note\">Th\u1eddi gian tham kh\u1ea3o t\u1eeb \u0111i\u1ec1u ki\u1ec7n ECN\/STP \u0111i\u1ec3n h\u00ecnh. H\u00e3y d\u00f9ng l\u00e0m \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u v\u00e0 x\u00e1c nh\u1eadn b\u1eb1ng d\u1eef li\u1ec7u c\u1ee7a ch\u00ednh b\u1ea1n.<\/p>\n<h2 id=\"fsw-thin\">Phi\u00ean thanh kho\u1ea3n m\u1ecfng, ng\u00e0y l\u1ec5 v\u00e0 phi\u00ean m\u1edf c\u1eeda \u0111\u1ea7u tu\u1ea7n<\/h2>\n<p>Ngo\u00e0i c\u00e1c s\u1ef1 ki\u1ec7n l\u1edbn, spread \u0111i theo thanh kho\u1ea3n c\u1ee7a c\u00e1c phi\u00ean giao d\u1ecbch. Spread h\u1eb9p nh\u1ea5t khi London v\u00e0 New York giao thoa (kho\u1ea3ng 12:00&ndash;16:00 UTC), h\u1eb9p trong bu\u1ed5i s\u00e1ng London, r\u1ed9ng h\u01a1n m\u1ed9t ch\u00fat trong phi\u00ean ch\u00e2u \u00c1 \u0111\u1ed1i v\u1edbi c\u00e1c c\u1eb7p EUR v\u00e0 GBP, v\u00e0 r\u1ed9ng nh\u1ea5t v\u00e0o cu\u1ed1i bu\u1ed5i chi\u1ec1u New York c\u0169ng nh\u01b0 quanh rollover.<\/p>\n<p>Ng\u00e0y l\u1ec5 c\u00f3 c\u00f9ng t\u00e1c \u0111\u1ed9ng trong c\u1ea3 ng\u00e0y: Gi\u00e1ng sinh v\u00e0 N\u0103m m\u1edbi, L\u1ec5 T\u1ea1 \u01a1n \u1edf M\u1ef9 v\u00e0 ng\u00e0y th\u1ee9 S\u00e1u sau \u0111\u00f3, c\u00e1c ng\u00e0y ngh\u1ec9 ng\u00e2n h\u00e0ng \u1edf Anh, Tu\u1ea7n l\u1ec5 V\u00e0ng \u1edf Nh\u1eadt B\u1ea3n. V\u00e0o nh\u1eefng ng\u00e0y n\u00e0y nhi\u1ec1u b\u00e0n giao d\u1ecbch \u0111\u00f3ng c\u1eeda, m\u1ed9t s\u1ed1 LP b\u00e1o gi\u00e1 v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3m, v\u00e0 spread v\u1eabn r\u1ed9ng h\u01a1n b\u00ecnh th\u01b0\u1eddng ngay c\u1ea3 v\u00e0o nh\u1eefng gi\u1edd th\u01b0\u1eddng c\u00f3 thanh kho\u1ea3n t\u1ed1t.<\/p>\n<p>Phi\u00ean m\u1edf c\u1eeda \u0111\u1ea7u tu\u1ea7n \u0111\u00e1ng \u0111\u01b0\u1ee3c nh\u1eafc ri\u00eang. Khi th\u1ecb tr\u01b0\u1eddng m\u1edf c\u1eeda v\u00e0o t\u1ed1i Ch\u1ee7 nh\u1eadt (kho\u1ea3ng 17:00 gi\u1edd New York), ch\u1ec9 c\u00f3 \u00edt ng\u01b0\u1eddi tham gia ho\u1ea1t \u0111\u1ed9ng v\u00e0 tin t\u1ee9c cu\u1ed1i tu\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh v\u00e0o gi\u00e1 ngay l\u1eadp t\u1ee9c. Gi\u00e1 c\u00f3 th\u1ec3 m\u1edf c\u1eeda c\u00e1ch xa gi\u00e1 \u0111\u00f3ng c\u1eeda th\u1ee9 S\u00e1u (gap) v\u00e0 spread tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh c\u00f3 th\u1ec3 r\u1ed9ng g\u1ea5p nhi\u1ec1u l\u1ea7n b\u00ecnh th\u01b0\u1eddng trong gi\u1edd \u0111\u1ea7u ti\u00ean. C\u00e1c l\u1ec7nh ch\u1edd n\u1eb1m trong v\u00f9ng gap \u0111\u01b0\u1ee3c kh\u1edbp \u1edf m\u1ee9c gi\u00e1 kh\u1ea3 d\u1ee5ng \u0111\u1ea7u ti\u00ean, kh\u00f4ng ph\u1ea3i \u1edf gi\u00e1 \u0111\u1eb7t l\u1ec7nh.<\/p>\n<h2 id=\"fsw-shocks\">C\u00e1c c\u00fa s\u1ed1c ngo\u00e0i l\u1ecbch<\/h2>\n<p>S\u1ef1 ki\u1ec7n theo l\u1ecbch c\u00f3 th\u1ec3 l\u00ean k\u1ebf ho\u1ea1ch tr\u01b0\u1edbc. C\u00fa s\u1ed1c th\u00ec kh\u00f4ng. Khi Ng\u00e2n h\u00e0ng Qu\u1ed1c gia Th\u1ee5y S\u0129 b\u1ecf m\u1ee9c s\u00e0n EURCHF v\u00e0o ng\u00e0y 15 th\u00e1ng 1 n\u0103m 2015, thanh kho\u1ea3n tr\u00ean c\u00e1c c\u1eb7p CHF bi\u1ebfn m\u1ea5t trong nhi\u1ec1u ph\u00fat v\u00e0 spread \u0111\u01b0\u1ee3c b\u00e1o gi\u00e1 tr\u1edf n\u00ean v\u00f4 ngh\u0129a. Ng\u00e0y 3 th\u00e1ng 1 n\u0103m 2019, trong nh\u1eefng gi\u1edd \u0111\u1ea7u phi\u00ean ch\u00e2u \u00c1 v\u1eafng v\u1ebb c\u1ee7a k\u1ef3 ngh\u1ec9 l\u1ec5, c\u00e1c c\u1eb7p JPY gi\u1ea3m v\u00e0i tr\u0103m pip ch\u1ec9 trong v\u00e0i ph\u00fat trong m\u1ed9t \u0111\u1ee3t \u201cflash crash\u201d tr\u01b0\u1edbc khi h\u1ed3i ph\u1ee5c. Trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, spread kh\u00f4ng c\u00f2n l\u00e0 chi ph\u00ed c\u1ee7a m\u1ed9t giao d\u1ecbch n\u1eefa; n\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y kh\u00f4ng c\u00f3 th\u1ecb tr\u01b0\u1eddng \u1edf m\u1ee9c gi\u00e1 h\u1ee3p l\u00fd.<\/p>\n<p>Kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc n\u00e0o gi\u00fap chi\u1ebfn l\u01b0\u1ee3c mi\u1ec5n nhi\u1ec5m v\u1edbi \u0111i\u1ec1u n\u00e0y. \u0110i\u1ec1u c\u00f3 \u00edch l\u00e0 quy m\u00f4 v\u1ecb th\u1ebf \u0111\u1ee7 \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c gap, kh\u00f4ng gi\u1eef v\u1ecb th\u1ebf l\u1edbn qua nh\u1eefng gi\u1edd m\u1ecfng nh\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 l\u00fd do, v\u00e0 ph\u1ea7n m\u1ec1m bi\u1ebft ng\u1eebng g\u1eedi l\u1ec7nh khi b\u00e1o gi\u00e1 tr\u1edf n\u00ean b\u1ea5t th\u01b0\u1eddng thay v\u00ec \u0111u\u1ed5i theo ch\u00fang.<\/p>\n<h2 id=\"fsw-broker\">Nguy\u00ean nh\u00e2n t\u1eeb ph\u00eda nh\u00e0 m\u00f4i gi\u1edbi<\/h2>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi \u0111\u1ee3t gi\u00e3n spread \u0111\u1ec1u \u0111\u1ebfn t\u1eeb th\u1ecb tr\u01b0\u1eddng li\u00ean ng\u00e2n h\u00e0ng. M\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n \u0111i\u1ec3n h\u00ecnh t\u1eeb ph\u00eda nh\u00e0 m\u00f4i gi\u1edbi:<\/p>\n<ul class=\"fsw-checks\">\n<li><strong>Markup.<\/strong> T\u00e0i kho\u1ea3n ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 c\u1ed9ng markup c\u1ed1 \u0111\u1ecbnh ho\u1eb7c theo ph\u1ea7n tr\u0103m v\u00e0o raw spread. Markup theo ph\u1ea7n tr\u0103m s\u1ebd gi\u00e3n c\u00f9ng v\u1edbi raw spread.<\/li>\n<li><strong>T\u00e0i kho\u1ea3n spread c\u1ed1 \u0111\u1ecbnh.<\/strong> Lo\u1ea1i t\u00e0i kho\u1ea3n n\u00e0y hi\u1ec3n th\u1ecb spread kh\u00f4ng \u0111\u1ed5i trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng \u0111i\u1ec1u kho\u1ea3n th\u01b0\u1eddng cho ph\u00e9p nh\u00e0 m\u00f4i gi\u1edbi n\u1edbi r\u1ed9ng spread ho\u1eb7c b\u00e1o gi\u00e1 l\u1ea1i trong \u201c\u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng b\u1ea5t th\u01b0\u1eddng\u201d, m\u00e0 th\u01b0\u1eddng ch\u00ednh l\u00e0 l\u00fac rollover v\u00e0 tin t\u1ee9c.<\/li>\n<li><strong>Nh\u00f3m spread.<\/strong> M\u1ed9t s\u1ed1 nh\u00e0 m\u00f4i gi\u1edbi x\u1ebfp kh\u00e1ch h\u00e0ng v\u00e0o c\u00e1c nh\u00f3m c\u00f3 h\u1ed3 s\u01a1 spread kh\u00e1c nhau. Hai t\u00e0i kho\u1ea3n t\u1ea1i c\u00f9ng m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi c\u00f3 th\u1ec3 th\u1ea5y spread kh\u00e1c nhau trong c\u00f9ng m\u1ed9t gi\u00e2y.<\/li>\n<li><strong>\u00cdt LP.<\/strong> Nh\u00e0 m\u00f4i gi\u1edbi k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t ho\u1eb7c hai nh\u00e0 cung c\u1ea5p c\u00f3 \u00edt c\u1ea1nh tranh h\u01a1n \u1edf \u0111\u1ec9nh s\u1ed5 l\u1ec7nh, n\u00ean b\u1ea5t k\u1ef3 nh\u00e0 cung c\u1ea5p n\u00e0o r\u1eddi kh\u1ecfi lu\u1ed3ng b\u00e1o gi\u00e1 c\u0169ng l\u00e0m spread gi\u00e3n nhi\u1ec1u h\u01a1n.<\/li>\n<\/ul>\n<p>N\u1ebfu spread c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean r\u1ed9ng h\u01a1n so v\u1edbi c\u00e1c nh\u00e0 m\u00f4i gi\u1edbi kh\u00e1c v\u00e0o c\u00f9ng th\u1eddi \u0111i\u1ec3m, ho\u1eb7c ch\u1ec9 gi\u00e3n tr\u00ean t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n, th\u00ec \u0111\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 kh\u1edbp l\u1ec7nh ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u1ea5n \u0111\u1ec1 th\u1ecb tr\u01b0\u1eddng. Trang c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/bjftradinggroup.com\/broker-execution-transparency\/\">minh b\u1ea1ch kh\u1edbp l\u1ec7nh c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi<\/a> gi\u1ea3i th\u00edch c\u00e1ch ki\u1ec3m tra b\u1eb1ng d\u1eef li\u1ec7u c\u1ee7a ch\u00ednh b\u1ea1n, v\u00e0 <a href=\"https:\/\/bjftradinggroup.com\/forex-arbitrage-brokers\/\">h\u01b0\u1edbng d\u1eabn ch\u1ecdn nh\u00e0 m\u00f4i gi\u1edbi<\/a> li\u1ec7t k\u00ea nh\u1eefng \u0111i\u1ec1u c\u1ea7n xem x\u00e9t tr\u01b0\u1edbc khi m\u1edf t\u00e0i kho\u1ea3n.<\/p>\n<h2 id=\"fsw-cost\">Gi\u00e3n spread g\u00e2y t\u1ed1n k\u00e9m th\u1ebf n\u00e0o cho t\u1eebng chi\u1ebfn l\u01b0\u1ee3c<\/h2>\n<p>C\u00f9ng m\u1ed9t m\u1ee9c spread rollover 3 pip l\u1ea1i c\u00f3 \u00fd ngh\u0129a r\u1ea5t kh\u00e1c nhau t\u00f9y v\u00e0o l\u1ee3i nhu\u1eadn m\u1ed7i giao d\u1ecbch c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c. B\u1ea3ng d\u01b0\u1edbi so s\u00e1nh b\u1ed1n phong c\u00e1ch giao d\u1ecbch tr\u00ean EURUSD v\u1edbi m\u1ed9t lot ti\u00eau chu\u1ea9n. \u201cChi ph\u00ed b\u00ecnh th\u01b0\u1eddng\u201d d\u00f9ng spread 0.2 pip c\u1ed9ng hoa h\u1ed3ng kh\u1ee9 h\u1ed3i $6 (kho\u1ea3ng 0.6 pip); \u201cchi ph\u00ed l\u00fac rollover\u201d d\u00f9ng spread 3 pip v\u1edbi c\u00f9ng m\u1ee9c hoa h\u1ed3ng.<\/p>\n<div class=\"fsw-table-wrap\">\n<table class=\"fsw-table\">\n<thead>\n<tr>\n<th>Chi\u1ebfn l\u01b0\u1ee3c<\/th>\n<th>K\u1ebft qu\u1ea3 g\u1ed9p trung b\u00ecnh m\u1ed7i giao d\u1ecbch<\/th>\n<th>Chi ph\u00ed gi\u1edd b\u00ecnh th\u01b0\u1eddng<\/th>\n<th>Chi ph\u00ed l\u00fac rollover<\/th>\n<th>T\u1ef7 l\u1ec7 l\u1ee3i th\u1ebf b\u1ecb m\u1ea5t l\u00fac rollover<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Swing trading<\/td>\n<td>60 pip<\/td>\n<td>0.8 pip (1.3%)<\/td>\n<td>3.6 pip<\/td>\n<td>6%<\/td>\n<\/tr>\n<tr>\n<td>Giao d\u1ecbch trong ng\u00e0y<\/td>\n<td>15 pip<\/td>\n<td>0.8 pip (5%)<\/td>\n<td>3.6 pip<\/td>\n<td>24%<\/td>\n<\/tr>\n<tr>\n<td>Scalping<\/td>\n<td>4 pip<\/td>\n<td>0.8 pip (20%)<\/td>\n<td>3.6 pip<\/td>\n<td>90%<\/td>\n<\/tr>\n<tr>\n<td>Ch\u00eanh l\u1ec7ch gi\u00e1 \u0111\u1ed9 tr\u1ec5<\/td>\n<td>1.2 pip<\/td>\n<td>0.8 pip (67%)<\/td>\n<td>3.6 pip<\/td>\n<td>300% (thua l\u1ed7)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"fsw-note\">V\u00ed d\u1ee5 t\u00ednh to\u00e1n. K\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 m\u00f4i gi\u1edbi, c\u00f4ng c\u1ee5 v\u00e0 th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c c\u1ee7a l\u1ec7nh v\u00e0o v\u00e0 l\u1ec7nh ra.<\/p>\n<p>Nh\u00e0 giao d\u1ecbch swing h\u1ea7u nh\u01b0 kh\u00f4ng nh\u1eadn ra rollover. V\u1edbi ng\u01b0\u1eddi scalping, m\u1ed9t l\u1ec7nh v\u00e0o sai ph\u00fat c\u00f3 th\u1ec3 x\u00f3a g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 k\u1ebft qu\u1ea3 trung b\u00ecnh c\u1ee7a m\u1ed9t giao d\u1ecbch. V\u1edbi chi\u1ebfn l\u01b0\u1ee3c ch\u00eanh l\u1ec7ch gi\u00e1 ho\u1eb7c giao d\u1ecbch t\u1ea7n su\u1ea5t cao, m\u1ed9t giao d\u1ecbch m\u1edf khi spread r\u1ed9ng s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi kho\u1ea3n l\u1ed7 l\u1edbn h\u01a1n c\u1ea3 to\u00e0n b\u1ed9 l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng. \u0110\u00f3 l\u00e0 l\u00fd do c\u00e1c h\u1ec7 th\u1ed1ng ng\u1eafn h\u1ea1n nghi\u00eam t\u00fac kh\u00f4ng bao gi\u1edd coi spread l\u00e0 h\u1eb1ng s\u1ed1.<\/p>\n<h2 id=\"fsw-stops\">T\u00e1c \u0111\u1ed9ng \u1ea9n: l\u1ec7nh d\u1eebng, l\u1ec7nh ch\u1edd v\u00e0 k\u00fd qu\u1ef9<\/h2>\n<p>Ph\u1ea7n l\u1edbn bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1ee3c v\u1ebd t\u1eeb gi\u00e1 bid. L\u1ec7nh \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi ph\u00eda b\u00e1o gi\u00e1 m\u00e0 n\u00f3 giao d\u1ecbch \u0111\u1ed1i \u1ee9ng: l\u1ec7nh mua b\u1edfi gi\u00e1 ask, l\u1ec7nh b\u00e1n b\u1edfi gi\u00e1 bid. Khi spread gi\u00e3n, gi\u00e1 ask t\u00e1ch xa gi\u00e1 bid ngay c\u1ea3 khi \u0111\u01b0\u1eddng bi\u1ec3u \u0111\u1ed3 kh\u00f4ng nh\u00fac nh\u00edch. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra nh\u1eefng t\u00e1c \u0111\u1ed9ng m\u00e0 nhi\u1ec1u nh\u00e0 giao d\u1ecbch ch\u1ec9 ph\u00e1t hi\u1ec7n khi xem l\u1ecbch s\u1eed t\u00e0i kho\u1ea3n.<\/p>\n<h3>Stop loss tr\u00ean v\u1ecb th\u1ebf b\u00e1n<\/h3>\n<p>B\u1ea1n b\u00e1n EURUSD v\u1edbi l\u1ec7nh d\u1eebng t\u1ea1i 1.08600. Gi\u00e1 bid l\u00e0 1.08560 v\u00e0 spread 0.2 pip, n\u00ean gi\u00e1 ask l\u00e0 1.08562: l\u1ec7nh d\u1eebng c\u1ee7a b\u1ea1n c\u00e1ch 3.8 pip. L\u00fac rollover, spread gi\u00e3n l\u00ean 4.5 pip v\u00e0 gi\u00e1 ask th\u00e0nh 1.08605. L\u1ec7nh d\u1eebng (m\u1ed9t l\u1ec7nh mua, k\u00edch ho\u1ea1t b\u1edfi gi\u00e1 ask) \u0111\u01b0\u1ee3c kh\u1edbp, d\u00f9 gi\u00e1 bid tr\u00ean bi\u1ec3u \u0111\u1ed3 ch\u01b0a bao gi\u1edd \u0111\u1ebfn g\u1ea7n l\u1ec7nh d\u1eebng h\u01a1n 4 pip. Gi\u00e1 kh\u1edbp cao h\u01a1n gi\u00e1 tr\u00ean bi\u1ec3u \u0111\u1ed3 kho\u1ea3ng 4.5 pip: m\u1ea5t kho\u1ea3ng $45 m\u1ed7i lot ch\u1ec9 v\u00ec spread.<\/p>\n<h3>L\u1ec7nh ch\u1edd<\/h3>\n<p>Logic t\u01b0\u01a1ng t\u1ef1 \u00e1p d\u1ee5ng cho c\u00e1c l\u1ec7nh buy limit, buy stop v\u00e0 take-profit tr\u00ean v\u1ecb th\u1ebf b\u00e1n. Take-profit c\u1ee7a v\u1ecb th\u1ebf b\u00e1n c\u00f3 th\u1ec3 b\u1ecb \u201cl\u1ee1\u201d n\u1ebfu gi\u00e1 ask ch\u01b0a ch\u1ea1m t\u1edbi, d\u00f9 gi\u00e1 bid \u0111\u00e3 ch\u1ea1m. V\u00e0 m\u1ed9t l\u1ec7nh buy stop \u0111\u1eb7t g\u1ea7n gi\u00e1 th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ecb k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t \u0111\u1ee3t spread t\u0103ng v\u1ecdt v\u00e0 kh\u1edbp \u1edf m\u1ee9c gi\u00e1 x\u1ea5u.<\/p>\n<h3>K\u00fd qu\u1ef9 v\u00e0 stop-out<\/h3>\n<p>L\u00e3i l\u1ed7 th\u1ea3 n\u1ed5i th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh theo ph\u00eda \u0111\u00f3ng v\u1ecb th\u1ebf c\u1ee7a b\u00e1o gi\u00e1. Khi spread gi\u00e3n, m\u1ecdi v\u1ecb th\u1ebf m\u1edf tr\u00f4ng t\u1ec7 h\u01a1n trong v\u00e0i ph\u00fat. M\u1ed9t t\u00e0i kho\u1ea3n \u0111ang ho\u1ea1t \u0111\u1ed9ng s\u00e1t gi\u1edbi h\u1ea1n k\u00fd qu\u1ef9 c\u00f3 th\u1ec3 b\u1ecb stop-out l\u00fac rollover, ngay c\u1ea3 khi b\u1ea3n th\u00e2n th\u1ecb tr\u01b0\u1eddng kh\u00f4ng \u0111i ng\u01b0\u1ee3c h\u01b0\u1edbng.<\/p>\n<div class=\"fsw-box\"><strong>Quy t\u1eafc kinh nghi\u1ec7m.<\/strong> \u0110\u1eb7t l\u1ec7nh d\u1eebng b\u1ea3o v\u1ec7 c\u1ee7a v\u1ecb th\u1ebf b\u00e1n \u1edf kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n m\u1ee9c spread rollover b\u00ecnh th\u01b0\u1eddng t\u1ec7 nh\u1ea5t c\u1ee7a c\u00f4ng c\u1ee5 \u0111\u00f3, ho\u1eb7c \u0111\u00f3ng hay \u0111i\u1ec1u ch\u1ec9nh v\u1ecb th\u1ebf tr\u01b0\u1edbc khung gi\u1edd n\u00e0y. Ki\u1ec3m tra ph\u00eda spread c\u1ee7a m\u1ecdi l\u1ec7nh ch\u1edd b\u1ea1n \u0111\u1ec3 qua \u0111\u00eam.<\/div>\n<h2 id=\"fsw-measure\">C\u00e1ch \u0111o h\u1ed3 s\u01a1 spread c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi<\/h2>\n<p>\u201cSpread trung b\u00ecnh\u201d \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 l\u00e0 m\u1ee9c trung b\u00ecnh c\u1ee7a c\u1ea3 ng\u00e0y v\u00e0 cho bi\u1ebft r\u1ea5t \u00edt v\u1ec1 nh\u1eefng th\u1eddi \u0111i\u1ec3m g\u00e2y thi\u1ec7t h\u1ea1i. H\u1ed3 s\u01a1 spread c\u1ee7a ch\u00ednh t\u00e0i kho\u1ea3n b\u1ea1n c\u1ea7n d\u1eef li\u1ec7u trong v\u00e0i tu\u1ea7n v\u00e0 tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi h\u1eefu \u00edch: r\u1ed9ng bao nhi\u00eau, khi n\u00e0o, k\u00e9o d\u00e0i bao l\u00e2u v\u00e0 so v\u1edbi c\u00e1i g\u00ec.<\/p>\n<div class=\"fsw-steps\">\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">1<\/span><\/p>\n<div><strong>Ghi l\u1ea1i tick bid v\u00e0 ask.<\/strong> L\u01b0u m\u1ecdi b\u00e1o gi\u00e1 k\u00e8m d\u1ea5u th\u1eddi gian mili gi\u00e2y cho c\u00e1c c\u00f4ng c\u1ee5 b\u1ea1n giao d\u1ecbch, trong \u00edt nh\u1ea5t hai tu\u1ea7n tr\u1ecdn v\u1eb9n c\u00f3 bao g\u1ed3m m\u1ed9t b\u1ea3n tin quan tr\u1ecdng.<\/div>\n<\/div>\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">2<\/span><\/p>\n<div><strong>T\u00ednh spread cho t\u1eebng tick.<\/strong> Spread = (ask &minus; bid) \/ k\u00edch th\u01b0\u1edbc pip. Gi\u1eef nguy\u00ean gi\u00e1 tr\u1ecb th\u00f4; ch\u01b0a t\u00ednh trung b\u00ecnh.<\/div>\n<\/div>\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">3<\/span><\/p>\n<div><strong>Nh\u00f3m theo th\u1eddi gian trong ng\u00e0y.<\/strong> D\u00f9ng c\u00e1c kho\u1ea3ng 5 ph\u00fat theo gi\u1edd New York. V\u1edbi m\u1ed7i kho\u1ea3ng, l\u01b0u trung v\u1ecb, ph\u00e2n v\u1ecb th\u1ee9 95 v\u00e0 gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t.<\/div>\n<\/div>\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">4<\/span><\/p>\n<div><strong>\u0110\u00e1nh d\u1ea5u s\u1ef1 ki\u1ec7n.<\/strong> G\u1eafn nh\u00e3n rollover, phi\u00ean m\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt v\u00e0 th\u1eddi \u0111i\u1ec3m c\u00f4ng b\u1ed1 tin t\u1eeb l\u1ecbch kinh t\u1ebf. Xem x\u00e9t t\u1eebng s\u1ef1 ki\u1ec7n ri\u00eang bi\u1ec7t.<\/div>\n<\/div>\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">5<\/span><\/p>\n<div><strong>So s\u00e1nh v\u1edbi ngu\u1ed3n tham chi\u1ebfu.<\/strong> \u0110\u1eb7t c\u00f9ng c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee7a m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi th\u1ee9 hai ho\u1eb7c m\u1ed9t fast feed c\u1ea1nh d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 kh\u00e1c bi\u1ec7t trong c\u00f9ng m\u1ed9t gi\u00e2y.<\/div>\n<\/div>\n<div class=\"fsw-step\"><span class=\"fsw-step-n\">6<\/span><\/p>\n<div><strong>Chuy\u1ec3n th\u00e0nh quy t\u1eafc.<\/strong> \u0110\u1eb7t gi\u1edbi h\u1ea1n spread, khung gi\u1edd v\u00e0 kho\u1ea3ng c\u00e1ch l\u1ec7nh d\u1eebng d\u1ef1a tr\u00ean ph\u00e2n v\u1ecb th\u1ee9 95, kh\u00f4ng ph\u1ea3i m\u1ee9c trung b\u00ecnh. L\u1eb7p l\u1ea1i h\u1eb1ng th\u00e1ng.<\/div>\n<\/div>\n<\/div>\n<p>C\u00f3 hai con s\u1ed1 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch. Trung v\u1ecb c\u1ee7a nh\u1eefng gi\u1edd y\u00ean t\u0129nh cho b\u1ea1n bi\u1ebft th\u1ebf n\u00e0o l\u00e0 \u201cb\u00ecnh th\u01b0\u1eddng\u201d. Ph\u00e2n v\u1ecb th\u1ee9 95 c\u1ee7a c\u00e1c kho\u1ea3ng rollover v\u00e0 tin t\u1ee9c cho b\u1ea1n bi\u1ebft l\u1ec7nh d\u1eebng b\u1ea3o v\u1ec7 c\u1ea7n \u0111\u1eb7t xa bao nhi\u00eau v\u00e0 b\u1ed9 l\u1ecdc spread n\u00ean c\u1eaft \u1edf \u0111\u00e2u. N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 m\u1ed9t danh s\u00e1ch ki\u1ec3m tra s\u1eb5n cho ki\u1ec3u ph\u00e2n t\u00edch n\u00e0y, h\u00e3y d\u00f9ng <a href=\"https:\/\/bjftradinggroup.com\/forex-broker-audit-toolkit\/\">b\u1ed9 c\u00f4ng c\u1ee5 ki\u1ec3m tra nh\u00e0 m\u00f4i gi\u1edbi forex<\/a> c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<h2 id=\"fsw-algos\">Thu\u1eadt to\u00e1n x\u1eed l\u00fd gi\u00e3n spread nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Ph\u1ea7n m\u1ec1m giao d\u1ecbch t\u1ed1t coi spread l\u00e0 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o tr\u1ef1c ti\u1ebfp, kh\u00f4ng ph\u1ea3i h\u1eb1ng s\u1ed1. C\u00f3 n\u0103m c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 ph\u1ed5 bi\u1ebfn, v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1nh nh\u1ea5t k\u1ebft h\u1ee3p nhi\u1ec1u c\u01a1 ch\u1ebf c\u00f9ng l\u00fac.<\/p>\n<figure class=\"fsw-figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/10\/spread-guard-flowchart-forex-spread-widening-1760x800-1.webp\" alt=\"L\u01b0u \u0111\u1ed3 c\u1ee7a b\u1ed9 b\u1ea3o v\u1ec7 spread trong thu\u1eadt to\u00e1n giao d\u1ecbch: t\u00edn hi\u1ec7u, ki\u1ec3m tra khung gi\u1edd, gi\u1edbi h\u1ea1n spread tuy\u1ec7t \u0111\u1ed1i, ki\u1ec3m tra spread t\u01b0\u01a1ng \u0111\u1ed1i, sau \u0111\u00f3 \u0111\u1eb7t l\u1ec7nh ho\u1eb7c b\u1ecf qua\" width=\"1760\" height=\"800\" \/><figcaption>B\u1ed9 b\u1ea3o v\u1ec7 spread ch\u1ea1y tr\u01b0\u1edbc m\u1ed7i l\u1ec7nh. N\u1ebfu b\u1ea5t k\u1ef3 b\u01b0\u1edbc ki\u1ec3m tra n\u00e0o kh\u00f4ng \u0111\u1ea1t, t\u00edn hi\u1ec7u s\u1ebd b\u1ecb b\u1ecf qua thay v\u00ec \u0111\u01b0\u1ee3c kh\u1edbp \u1edf m\u1ee9c gi\u00e1 x\u1ea5u.<\/figcaption><\/figure>\n<h3>1. Spread t\u1ed1i \u0111a tuy\u1ec7t \u0111\u1ed1i<\/h3>\n<p>B\u1ed9 l\u1ecdc \u0111\u01a1n gi\u1ea3n nh\u1ea5t: kh\u00f4ng m\u1edf l\u1ec7nh m\u1edbi n\u1ebfu spread hi\u1ec7n t\u1ea1i v\u01b0\u1ee3t m\u1ed9t gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh, v\u00ed d\u1ee5 0.8 pip tr\u00ean EURUSD. N\u00f3 d\u1ec5 hi\u1ec3u v\u00e0 t\u1ef1 \u0111\u1ed9ng bao qu\u00e1t rollover, tin t\u1ee9c v\u00e0 gi\u1edd thanh kho\u1ea3n m\u1ecfng, b\u1ea5t k\u1ec3 th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c. \u0110i\u1ec3m y\u1ebfu l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb duy nh\u1ea5t kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi c\u00f4ng c\u1ee5 v\u00e0 m\u1ecdi phi\u00ean.<\/p>\n<h3>2. B\u1ed9 l\u1ecdc spread t\u01b0\u01a1ng \u0111\u1ed1i<\/h3>\n<p>Thu\u1eadt to\u00e1n so s\u00e1nh spread hi\u1ec7n t\u1ea1i v\u1edbi trung v\u1ecb tr\u01b0\u1ee3t c\u1ee7a 15&ndash;60 ph\u00fat g\u1ea7n nh\u1ea5t v\u00e0 t\u1eeb ch\u1ed1i giao d\u1ecbch n\u1ebfu spread cao h\u01a1n, ch\u1eb3ng h\u1ea1n, 2.5 \u0111\u1ebfn 3 l\u1ea7n. N\u1ebfu trung v\u1ecb l\u00e0 0.3 pip, gi\u1edbi h\u1ea1n l\u00e0 0.9 pip; n\u1ebfu trung v\u1ecb trong phi\u00ean ch\u00e2u \u00c1 l\u00e0 0.6, gi\u1edbi h\u1ea1n l\u00e0 1.8. B\u1ed9 l\u1ecdc t\u1ef1 th\u00edch \u1ee9ng v\u1edbi phi\u00ean v\u00e0 c\u00f4ng c\u1ee5 m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i.<\/p>\n<h3>3. Khung gi\u1edd<\/h3>\n<p>Kho\u1ea3ng ng\u1eebng giao d\u1ecbch quanh rollover (v\u00ed d\u1ee5 16:55&ndash;17:30 gi\u1edd New York) v\u00e0 quanh c\u00e1c b\u1ea3n tin theo l\u1ecbch (v\u00ed d\u1ee5 t\u1eeb 2 ph\u00fat tr\u01b0\u1edbc \u0111\u1ebfn 5 ph\u00fat sau). Khung gi\u1edd n\u1eafm b\u1eaft r\u1ee7i ro tr\u01b0\u1edbc khi spread gi\u00e3n ra, \u0111i\u1ec1u m\u00e0 b\u1ed9 l\u1ecdc spread thu\u1ea7n t\u00fay kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c. H\u00e3y \u0111\u1ecbnh ngh\u0129a ch\u00fang theo gi\u1edd New York ho\u1eb7c m\u00fai gi\u1edd s\u00e0n c\u1ee7a c\u00f4ng c\u1ee5, kh\u00f4ng ph\u1ea3i theo \u0111\u1ed9 l\u1ec7ch UTC c\u1ed1 \u0111\u1ecbnh.<\/p>\n<h3>4. L\u1ec7nh ra c\u00f3 t\u00ednh \u0111\u1ebfn spread<\/h3>\n<p>L\u1ec7nh v\u00e0o ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda v\u1ea5n \u0111\u1ec1. Chi\u1ebfn l\u01b0\u1ee3c c\u00f3 th\u1ec3 tr\u00ec ho\u00e3n c\u00e1c l\u1ec7nh ra kh\u00f4ng kh\u1ea9n c\u1ea5p cho \u0111\u1ebfn khi spread tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng, tr\u00e1nh \u0111\u00f3ng l\u1ec7nh theo gi\u00e1 th\u1ecb tr\u01b0\u1eddng trong nh\u1eefng gi\u00e2y \u0111\u1ea7u sau b\u1ea3n tin, v\u00e0 \u0111\u1eb7t l\u1ec7nh d\u1eebng b\u1ea3o v\u1ec7 ngo\u00e0i m\u1ee9c spread rollover \u1edf ph\u00e2n v\u1ecb th\u1ee9 95. Logic tho\u00e1t l\u1ec7nh c\u1ea7n bi\u1ebft n\u00f3 \u0111ang giao d\u1ecbch \u0111\u1ed1i \u1ee9ng v\u1edbi ph\u00eda n\u00e0o c\u1ee7a b\u00e1o gi\u00e1.<\/p>\n<h3>5. Backtest th\u1ef1c t\u1ebf<\/h3>\n<p>Backtest v\u1edbi spread c\u1ed1 \u0111\u1ecbnh th\u1ed5i ph\u1ed3ng k\u1ebft qu\u1ea3 c\u1ee7a m\u1ecdi chi\u1ebfn l\u01b0\u1ee3c ng\u1eafn h\u1ea1n, v\u00ec n\u00f3 kh\u00f4ng bao gi\u1edd ph\u1ea3i tr\u1ea3 spread l\u00fac rollover v\u00e0 tin t\u1ee9c. H\u00e3y ki\u1ec3m th\u1eed tr\u00ean d\u1eef li\u1ec7u tick v\u1edbi gi\u00e1 bid v\u00e0 ask th\u1ef1c c\u00f9ng \u0111\u1ed9 tr\u1ec5 kh\u1edbp l\u1ec7nh, nh\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/bjftradinggroup.com\/latency-arbitrage-backtest-execution-time-gap\/\">kho\u1ea3ng c\u00e1ch gi\u1eefa backtest v\u00e0 kh\u1edbp l\u1ec7nh th\u1ef1c t\u1ebf<\/a>. N\u1ebfu chi\u1ebfn l\u01b0\u1ee3c ch\u1ec9 hi\u1ec7u qu\u1ea3 v\u1edbi spread c\u1ee7a gi\u1edd t\u1ed1t nh\u1ea5t trong ng\u00e0y, th\u00ec n\u00f3 kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/p>\n<div class=\"fsw-table-wrap\">\n<table class=\"fsw-table\">\n<thead>\n<tr>\n<th>C\u01a1 ch\u1ebf b\u1ea3o v\u1ec7<\/th>\n<th>B\u1eaft \u0111\u01b0\u1ee3c<\/th>\n<th>B\u1ecf s\u00f3t<\/th>\n<th>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Spread t\u1ed1i \u0111a tuy\u1ec7t \u0111\u1ed1i<\/td>\n<td>M\u1ecdi \u0111\u1ee3t gi\u00e3n v\u01b0\u1ee3t gi\u1edbi h\u1ea1n<\/td>\n<td>Th\u1eddi \u0111i\u1ec3m tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u gi\u00e3n; c\u00e1c phi\u00ean c\u00f3 spread b\u00ecnh th\u01b0\u1eddng kh\u00e1c nhau<\/td>\n<td>M\u1ed9t c\u00f4ng c\u1ee5, thi\u1ebft l\u1eadp \u0111\u01a1n gi\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 l\u1ecdc spread t\u01b0\u01a1ng \u0111\u1ed1i<\/td>\n<td>Spread b\u1ea5t th\u01b0\u1eddng so v\u1edbi phi\u00ean hi\u1ec7n t\u1ea1i<\/td>\n<td>S\u1ef1 d\u1ecbch chuy\u1ec3n ch\u1eadm c\u1ee7a trung v\u1ecb<\/td>\n<td>Nhi\u1ec1u c\u00f4ng c\u1ee5, chi\u1ebfn l\u01b0\u1ee3c 24 gi\u1edd<\/td>\n<\/tr>\n<tr>\n<td>Khung gi\u1edd<\/td>\n<td>S\u1ef1 ki\u1ec7n \u0111\u00e3 bi\u1ebft, tr\u01b0\u1edbc khi spread ph\u1ea3n \u1ee9ng<\/td>\n<td>C\u00e1c c\u00fa s\u1ed1c ngo\u00e0i l\u1ecbch<\/td>\n<td>L\u1ecbch rollover v\u00e0 tin t\u1ee9c<\/td>\n<\/tr>\n<tr>\n<td>L\u1ec7nh ra c\u00f3 t\u00ednh \u0111\u1ebfn spread<\/td>\n<td>L\u1ec7nh d\u1eebng v\u00e0 \u0111\u00f3ng l\u1ec7nh khi th\u1ecb tr\u01b0\u1eddng c\u00f3 spread r\u1ed9ng<\/td>\n<td>Kh\u00f4ng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn l\u1ec7nh v\u00e0o<\/td>\n<td>Chi\u1ebfn l\u01b0\u1ee3c gi\u1eef v\u1ecb th\u1ebf qua \u0111\u00eam<\/td>\n<\/tr>\n<tr>\n<td>Backtest tr\u00ean d\u1eef li\u1ec7u tick<\/td>\n<td>K\u1ebft qu\u1ea3 b\u1ecb th\u1ed5i ph\u1ed3ng tr\u01b0\u1edbc khi giao d\u1ecbch th\u1eadt<\/td>\n<td>Thay \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi trong t\u01b0\u01a1ng lai<\/td>\n<td>M\u1ecdi chi\u1ebfn l\u01b0\u1ee3c ng\u1eafn h\u1ea1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"fsw-arbitrage\">Gi\u00e3n spread trong ch\u00eanh l\u1ec7ch gi\u00e1 \u0111\u1ed9 tr\u1ec5<\/h2>\n<p>Trong <a href=\"https:\/\/bjftradinggroup.com\/latency-arbitrage\/\">ch\u00eanh l\u1ec7ch gi\u00e1 \u0111\u1ed9 tr\u1ec5<\/a>, chi\u1ebfn l\u01b0\u1ee3c so s\u00e1nh gi\u00e1 c\u1ee7a m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi ch\u1eadm v\u1edbi m\u1ed9t fast feed tham chi\u1ebfu v\u00e0 giao d\u1ecbch khi gi\u00e1 ch\u1eadm b\u1ecb t\u1ee5t l\u1ea1i ph\u00eda sau. Gi\u00e3n spread t\u00e1c \u0111\u1ed9ng l\u00ean lo\u1ea1i chi\u1ebfn l\u01b0\u1ee3c n\u00e0y hai l\u1ea7n. Th\u1ee9 nh\u1ea5t, spread r\u1ed9ng \u1edf nh\u00e0 m\u00f4i gi\u1edbi ch\u1eadm c\u00f3 th\u1ec3 t\u1ea1o ra ch\u00eanh l\u1ec7ch gi\u00e1 tr\u00ean gi\u1ea5y nh\u01b0ng kh\u00f4ng th\u1ec3 giao d\u1ecbch c\u00f3 l\u00e3i, v\u00ec l\u1ec7nh v\u00e0o v\u00e0 l\u1ec7nh ra \u0111\u1ec1u ph\u1ea3i v\u01b0\u1ee3t qua spread r\u1ed9ng. Th\u1ee9 hai, spread r\u1ed9ng tr\u00ean fast feed c\u00f3 ngh\u0129a l\u00e0 b\u1ea3n th\u00e2n gi\u00e1 tham chi\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, n\u00ean \u201ct\u00edn hi\u1ec7u\u201d c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 nhi\u1ec5u gi\u1eefa hai b\u00e1o gi\u00e1 th\u1eadn tr\u1ecdng.<\/p>\n<p>Trong SharpTrader, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng hai gi\u1edbi h\u1ea1n ri\u00eang bi\u1ec7t: <strong>Max Spread Slow<\/strong> (spread l\u1edbn nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e9p t\u1ea1i nh\u00e0 m\u00f4i gi\u1edbi n\u01a1i l\u1ec7nh \u0111\u01b0\u1ee3c kh\u1edbp) v\u00e0 <strong>Max Spread Fast<\/strong> (spread l\u1edbn nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e9p tr\u00ean <a href=\"https:\/\/bjftradinggroup.com\/fast-feed-for-arbitrage\/\">fast data feed<\/a>). N\u1ebfu m\u1ed9t trong hai spread hi\u1ec7n t\u1ea1i v\u01b0\u1ee3t gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3, t\u00edn hi\u1ec7u s\u1ebd b\u1ecb b\u1ecf qua b\u1ea5t k\u1ec3 ch\u00eanh l\u1ec7ch gi\u00e1 tr\u00f4ng l\u1edbn \u0111\u1ebfn \u0111\u00e2u. M\u1ed9t b\u1ed9 l\u1ecdc tin t\u1ee9c c\u00f2n c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng giao d\u1ecbch trong c\u00e1c khung gi\u1edd t\u00f9y ch\u1ec9nh tr\u01b0\u1edbc v\u00e0 sau c\u00e1c b\u1ea3n tin c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh. Theo kinh nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i v\u1edbi c\u00e1c thi\u1ebft l\u1eadp ch\u00eanh l\u1ec7ch gi\u00e1, vi\u1ec7c si\u1ebft ch\u1eb7t hai gi\u1edbi h\u1ea1n n\u00e0y lo\u1ea1i b\u1ecf ph\u1ea7n l\u1edbn c\u00e1c t\u00edn hi\u1ec7u \u201cl\u1edbn nh\u01b0ng gi\u1ea3\u201d xu\u1ea5t hi\u1ec7n l\u00fac rollover v\u00e0 quanh tin t\u1ee9c, v\u1edbi c\u00e1i gi\u00e1 l\u00e0 b\u1ecf l\u1ee1 m\u1ed9t s\u1ed1 c\u01a1 h\u1ed9i th\u1eadt. Nh\u01b0 m\u1ecdi tham s\u1ed1 kh\u00e1c, ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed tr\u00ean d\u1eef li\u1ec7u tick cho t\u1eebng nh\u00e0 m\u00f4i gi\u1edbi c\u1ee5 th\u1ec3 thay v\u00ec sao ch\u00e9p t\u1eeb t\u00e0i kho\u1ea3n kh\u00e1c.<\/p>\n<div class=\"fsw-cta\">\n<h3>\u0110\u1ec3 ph\u1ea7n m\u1ec1m ki\u1ec3m tra spread tr\u01b0\u1edbc m\u1ed7i l\u1ec7nh<\/h3>\n<p>SharpTrader ch\u1ea1y c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u00eanh l\u1ec7ch gi\u00e1 forex v\u00e0 crypto v\u1edbi gi\u1edbi h\u1ea1n spread ri\u00eang cho nh\u00e0 m\u00f4i gi\u1edbi kh\u1edbp l\u1ec7nh v\u00e0 fast feed, k\u00e8m theo b\u1ed9 l\u1ecdc tin t\u1ee9c. SharpTrader Optimizer cho ph\u00e9p b\u1ea1n ki\u1ec3m th\u1eed c\u00e1c thi\u1ebft l\u1eadp \u0111\u00f3 tr\u00ean d\u1eef li\u1ec7u tick th\u1ef1c v\u1edbi th\u1eddi gian kh\u1edbp l\u1ec7nh th\u1ef1c t\u1ebf. H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi c\u00f4ng c\u1ee5 qu\u00e9t mi\u1ec5n ph\u00ed \u0111\u1ec3 xem gi\u00e1 c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a b\u1ea1n so v\u1edbi c\u00e1c ngu\u1ed3n nhanh h\u01a1n nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<p><a class=\"fsw-btn\" href=\"https:\/\/bjftradinggroup.com\/product\/sharptrader-forex-crypto-arbitrage\/\">Kh\u00e1m ph\u00e1 SharpTrader<\/a> <a class=\"fsw-btn fsw-btn-alt\" href=\"https:\/\/bjftradinggroup.com\/free-forex-arbitrage-scanner\/\">C\u00f4ng c\u1ee5 qu\u00e9t ch\u00eanh l\u1ec7ch gi\u00e1 forex mi\u1ec5n ph\u00ed<\/a><\/p>\n<\/div>\n<h2 id=\"fsw-mistakes\">Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p<\/h2>\n<ul class=\"fsw-checks\">\n<li><strong>\u0110\u00e1nh gi\u00e1 nh\u00e0 m\u00f4i gi\u1edbi qua spread trung b\u00ecnh \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o.<\/strong> M\u1ee9c trung b\u00ecnh che gi\u1ea5u ch\u00ednh nh\u1eefng ph\u00fat m\u00e0 spread quan tr\u1ecdng nh\u1ea5t. H\u00e3y so s\u00e1nh trung v\u1ecb v\u00e0 ph\u00e2n v\u1ecb th\u1ee9 95 theo th\u1eddi gian trong ng\u00e0y.<\/li>\n<li><strong>L\u1eadp tr\u00ecnh c\u1ee9ng th\u1eddi \u0111i\u1ec3m rollover theo UTC.<\/strong> Gi\u1edd UTC thay \u0111\u1ed5i hai l\u1ea7n m\u1ed7i n\u0103m, v\u00e0 ch\u00e2u \u00c2u v\u1edbi M\u1ef9 \u0111\u1ed5i gi\u1edd v\u00e0o nh\u1eefng ng\u00e0y kh\u00e1c nhau.<\/li>\n<li><strong>Backtest v\u1edbi spread c\u1ed1 \u0111\u1ecbnh.<\/strong> C\u00e1ch n\u00e0y khi\u1ebfn c\u00e1c chi\u1ebfn l\u01b0\u1ee3c scalping v\u00e0 ch\u00eanh l\u1ec7ch gi\u00e1 tr\u00f4ng t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi th\u1ef1c t\u1ebf.<\/li>\n<li><strong>Qu\u00ean m\u1ea5t ph\u00eda ask.<\/strong> L\u1ec7nh d\u1eebng v\u00e0 take-profit tr\u00ean v\u1ecb th\u1ebf b\u00e1n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi gi\u00e1 ask, th\u1ee9 m\u00e0 bi\u1ec3u \u0111\u1ed3 th\u01b0\u1eddng kh\u00f4ng hi\u1ec3n th\u1ecb.<\/li>\n<li><strong>Coi m\u1ecdi \u0111\u1ee3t t\u0103ng v\u1ecdt l\u00e0 thao t\u00fang c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi.<\/strong> Gi\u00e3n spread l\u00fac rollover v\u00e0 tin t\u1ee9c l\u00e0 h\u00e0nh vi b\u00ecnh th\u01b0\u1eddng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. N\u00f3 ch\u1ec9 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi khi t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n li\u00ean t\u1ee5c t\u1ec7 h\u01a1n th\u1ecb tr\u01b0\u1eddng trong c\u00f9ng m\u1ed9t gi\u00e2y.<\/li>\n<li><strong>D\u00f9ng m\u1ed9t b\u1ed9 l\u1ecdc cho m\u1ecdi c\u00f4ng c\u1ee5.<\/strong> 0.8 pip l\u00e0 gi\u1edbi h\u1ea1n h\u1ee3p l\u00fd cho EURUSD nh\u01b0ng v\u00f4 d\u1ee5ng v\u1edbi GBPJPY ho\u1eb7c v\u00e0ng. H\u00e3y d\u00f9ng gi\u1edbi h\u1ea1n ri\u00eang cho t\u1eebng c\u00f4ng c\u1ee5 ho\u1eb7c gi\u1edbi h\u1ea1n t\u01b0\u01a1ng \u0111\u1ed1i.<\/li>\n<\/ul>\n<div class=\"bjf-ff-wrap\"><div class=\"bjf-ff\" id=\"bjfff5619\" style=\"max-width:640px;margin:28px auto;padding:24px 26px;border:1px solid #d9e1ec;border-radius:12px;background:#f6f8fb\">\n<p style=\"margin:0 0 6px;font-size:20px;font-weight:700;color:#0f1b2d\">M\u00e1y qu\u00e9t ch\u00eanh l\u1ec7ch gi\u00e1 mi\u1ec5n ph\u00ed + kh\u00f3a h\u1ecdc email ng\u1eafn<\/p>\n<p style=\"margin:0 0 16px;font-size:15px;line-height:1.55;color:#44505f\">Nh\u1eadn li\u00ean k\u1ebft m\u00e1y qu\u00e9t mi\u1ec5n ph\u00ed v\u00e0 v\u00e0i email ng\u1eafn, th\u1ef1c t\u1ebf t\u1eeb Boris: ch\u00eanh l\u1ec7ch gi\u00e1 th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec sau chi ph\u00ed, c\u00e1ch ki\u1ec3m th\u1eed chi\u1ebfn l\u01b0\u1ee3c tr\u01b0\u1edbc khi m\u1ea1o hi\u1ec3m ti\u1ec1n th\u1eadt v\u00e0 c\u00f4ng c\u1ee5 n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi th\u1ecb tr\u01b0\u1eddng c\u1ee7a b\u1ea1n. Kh\u00f4ng th\u1ed5i ph\u1ed3ng. Email \u0111\u01b0\u1ee3c g\u1eedi b\u1eb1ng ti\u1ebfng Anh.<\/p>\n<form method=\"post\" novalidate>\n<input type=\"hidden\" name=\"market\" value=\"forex\"><input type=\"hidden\" name=\"source\" value=\"blog\"><input type=\"hidden\" name=\"ts\" value=\"1793039025\"><input type=\"hidden\" name=\"ref\" value=\"forex-spread-widening\"><input type=\"hidden\" name=\"lang\" value=\"vi\"><div style=\"position:absolute;left:-9999px\" aria-hidden=\"true\"><label>Website<input type=\"text\" name=\"website\" tabindex=\"-1\" autocomplete=\"off\"><\/label><\/div>\n<div style=\"display:flex;flex-wrap:wrap;gap:10px\">\n<input type=\"text\" name=\"first_name\" placeholder=\"T\u00ean\" aria-label=\"T\u00ean\" autocomplete=\"given-name\" style=\"flex:1 1 160px;min-width:0;padding:11px 12px;border:1px solid #c9d3df;border-radius:8px;font-size:15px\">\n<input type=\"email\" name=\"email\" required placeholder=\"Email\" aria-label=\"Email\" autocomplete=\"email\" style=\"flex:2 1 220px;min-width:0;padding:11px 12px;border:1px solid #c9d3df;border-radius:8px;font-size:15px\">\n<button type=\"submit\" style=\"flex:1 1 160px;padding:11px 16px;border:0;border-radius:8px;background:#c9962a;color:#0f1b2d;font-weight:700;font-size:15px;cursor:pointer\">G\u1eedi cho t\u00f4i<\/button>\n<\/div>\n<p style=\"margin:10px 0 0;font-size:12px;line-height:1.5;color:#6b7785\">Khi g\u1eedi, b\u1ea1n \u0111\u1ed3ng \u00fd nh\u1eadn email t\u1eeb BJF Trading Group v\u1ec1 c\u00f4ng c\u1ee5 arbitrage v\u00e0 ph\u1ea7n m\u1ec1m giao d\u1ecbch. B\u1ea1n c\u00f3 th\u1ec3 h\u1ee7y \u0111\u0103ng k\u00fd b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. Xem <a href=\"https:\/\/bjftradinggroup.com\/vi\/privacy-policy\/\">Ch\u00ednh s\u00e1ch quy\u1ec1n ri\u00eang t\u01b0<\/a> c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<p class=\"bjf-ff-msg\" role=\"status\" style=\"margin:10px 0 0;font-size:15px;font-weight:600\"><\/p>\n<\/form><\/div>\n<script>(function(){var M={\"invalid\":\"Vui l\\u00f2ng nh\\u1eadp email h\\u1ee3p l\\u1ec7.\",\"sending\":\"\\u0110ang g\\u1eedi\\u2026\",\"done\":\"Xong! H\\u00e3y ki\\u1ec3m tra h\\u1ed9p th\\u01b0 c\\u1ee7a b\\u1ea1n sau v\\u00e0i ph\\u00fat.\",\"err\":\"\\u0110\\u00e3 x\\u1ea3y ra l\\u1ed7i, vui l\\u00f2ng th\\u1eed l\\u1ea1i.\",\"net\":\"L\\u1ed7i m\\u1ea1ng, vui l\\u00f2ng th\\u1eed l\\u1ea1i.\",\"srv\":false};var b=document.getElementById('bjfff5619');if(!b)return;var f=b.querySelector('form'),m=b.querySelector('.bjf-ff-msg');f.addEventListener('submit',function(e){e.preventDefault();var d=new FormData(f);if(!\/^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$\/.test(d.get('email')||'')){m.style.color='#b42318';m.textContent=M.invalid;return;}var btn=f.querySelector('button');btn.disabled=true;m.style.color='#44505f';m.textContent=M.sending;fetch('\/wp-json\/bjf\/v1\/subscribe',{method:'POST',body:d}).then(function(r){return r.json()}).then(function(j){if(j&&j.ok){m.style.color='#1a7f4b';m.textContent=M.done;f.querySelectorAll('input,button').forEach(function(x){x.disabled=true});if(window.gtag)gtag('event','generate_lead',{form_source:d.get('source')});if(window.fbq)fbq('track','Lead',{content_name:d.get('source')});}else{btn.disabled=false;m.style.color='#b42318';m.textContent=(M.srv&&j&&j.msg)||M.err;}}).catch(function(){btn.disabled=false;m.style.color='#b42318';m.textContent=M.net;});});})();<\/script>\n<\/div>\n<h2 id=\"fsw-faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<div class=\"fsw-faq\">\n<h3>V\u00ec sao spread forex gi\u00e3n r\u1ed9ng l\u00fac 5 gi\u1edd chi\u1ec1u gi\u1edd New York?<\/h3>\n<p>17:00 gi\u1edd New York l\u00e0 th\u1eddi \u0111i\u1ec3m k\u1ebft th\u00fac ng\u00e0y giao d\u1ecbch forex. C\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n chuy\u1ec3n v\u1ecb th\u1ebf sang ng\u00e0y gi\u00e1 tr\u1ecb ti\u1ebfp theo, t\u00ednh l\u1ea1i r\u1ee7i ro v\u00e0 \u0111\u00f4i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i h\u1ec7 th\u1ed1ng, trong khi ng\u01b0\u1eddi tham gia \u1edf M\u1ef9 \u0111\u00e3 k\u1ebft th\u00fac c\u00f2n ng\u01b0\u1eddi tham gia \u1edf ch\u00e2u \u00c1 ch\u01b0a b\u1eaft \u0111\u1ea7u. \u00cdt b\u00e1o gi\u00e1 h\u01a1n v\u00e0 th\u1eadn tr\u1ecdng h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi spread r\u1ed9ng h\u01a1n trong v\u00e0i ph\u00fat, v\u00e0 l\u00e2u h\u01a1n tr\u00ean c\u00e1c c\u1eb7p ch\u00e9o v\u00e0 kim lo\u1ea1i.<\/p>\n<h3>Gi\u00e3n spread l\u00fac rollover k\u00e9o d\u00e0i bao l\u00e2u?<\/h3>\n<p>Tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh th\u01b0\u1eddng t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn kho\u1ea3ng 30 ph\u00fat, v\u1edbi \u0111\u1ec9nh ngay sau 17:00 gi\u1edd New York. Tr\u00ean c\u00e1c c\u1eb7p ch\u00e9o, c\u1eb7p ngo\u1ea1i lai v\u00e0 v\u00e0ng, n\u00f3 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn khi thanh kho\u1ea3n Tokyo xu\u1ea5t hi\u1ec7n. H\u00e3y \u0111o tr\u00ean nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a ch\u00ednh b\u1ea1n, v\u00ec th\u1eddi l\u01b0\u1ee3ng kh\u00e1c nhau gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.<\/p>\n<h3>V\u00ec sao spread gi\u00e3n r\u1ed9ng khi c\u00f3 tin t\u1ee9c?<\/h3>\n<p>Tr\u01b0\u1edbc m\u1ed9t b\u1ea3n tin theo l\u1ecbch, c\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c r\u00fat b\u00e1o gi\u00e1, v\u00ec kh\u00f4ng ai mu\u1ed1n b\u1ecb kh\u1edbp \u1edf gi\u00e1 c\u0169 khi s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1. Ngay sau b\u1ea3n tin, m\u1ee9c b\u1ea5t \u0111\u1ecbnh cao nh\u1ea5t n\u00ean c\u00e1c b\u00e1o gi\u00e1 c\u00f2n l\u1ea1i r\u1ea5t r\u1ed9ng. Khi th\u1ecb tr\u01b0\u1eddng h\u1ea5p th\u1ee5 s\u1ed1 li\u1ec7u, c\u00e1c nh\u00e0 cung c\u1ea5p quay l\u1ea1i v\u00e0 spread th\u01b0\u1eddng tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng trong v\u00e0i ph\u00fat tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh.<\/p>\n<h3>Gi\u00e3n spread c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t stop loss c\u1ee7a t\u00f4i kh\u00f4ng?<\/h3>\n<p>C\u00f3, \u0111\u1ed1i v\u1edbi v\u1ecb th\u1ebf b\u00e1n. L\u1ec7nh d\u1eebng c\u1ee7a v\u1ecb th\u1ebf b\u00e1n l\u00e0 l\u1ec7nh mua v\u00e0 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi gi\u00e1 ask. N\u1ebfu spread gi\u00e3n \u0111\u1ee7 r\u1ed9ng, gi\u00e1 ask c\u00f3 th\u1ec3 ch\u1ea1m l\u1ec7nh d\u1eebng trong khi gi\u00e1 bid hi\u1ec3n th\u1ecb tr\u00ean bi\u1ec3u \u0111\u1ed3 v\u1eabn c\u00e1ch xa. H\u00e3y \u0111\u1eb7t c\u00e1c l\u1ec7nh d\u1eebng nh\u01b0 v\u1eady xa h\u01a1n m\u1ee9c spread rollover th\u00f4ng th\u01b0\u1eddng ho\u1eb7c qu\u1ea3n l\u00fd v\u1ecb th\u1ebf tr\u01b0\u1edbc khung gi\u1edd \u0111\u00f3.<\/p>\n<h3>Gi\u00e3n spread c\u00f3 ph\u1ea3i d\u1ea5u hi\u1ec7u c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi k\u00e9m?<\/h3>\n<p>B\u1ea3n th\u00e2n n\u00f3 th\u00ec kh\u00f4ng. Gi\u00e3n spread l\u00fac rollover, quanh tin t\u1ee9c v\u00e0 trong gi\u1edd thanh kho\u1ea3n m\u1ecfng l\u00e0 h\u00e0nh vi b\u00ecnh th\u01b0\u1eddng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. N\u00f3 ch\u1ec9 \u0111\u00e1ng lo ng\u1ea1i khi spread c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean r\u1ed9ng h\u01a1n c\u00e1c nh\u00e0 m\u00f4i gi\u1edbi kh\u00e1c ho\u1eb7c m\u1ed9t fast feed tham chi\u1ebfu v\u00e0o c\u00f9ng th\u1eddi \u0111i\u1ec3m, ho\u1eb7c khi n\u00f3 ch\u1ec9 gi\u00e3n tr\u00ean t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n.<\/p>\n<h3>Khi n\u00e0o spread forex h\u1eb9p nh\u1ea5t?<\/h3>\n<p>Th\u01b0\u1eddng l\u00e0 trong kho\u1ea3ng giao thoa gi\u1eefa phi\u00ean London v\u00e0 New York, kho\u1ea3ng 12:00 \u0111\u1ebfn 16:00 UTC, v\u00e0 trong bu\u1ed5i s\u00e1ng London. Spread nh\u00ecn chung r\u1ed9ng h\u01a1n v\u00e0o cu\u1ed1i bu\u1ed5i chi\u1ec1u New York, quanh rollover, v\u00e0o ng\u00e0y l\u1ec5 v\u00e0 trong gi\u1edd \u0111\u1ea7u ti\u00ean sau phi\u00ean m\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt.<\/p>\n<h3>T\u00e0i kho\u1ea3n spread c\u1ed1 \u0111\u1ecbnh c\u00f3 b\u1ea3o v\u1ec7 kh\u1ecfi gi\u00e3n spread kh\u00f4ng?<\/h3>\n<p>Ch\u1ec9 m\u1ed9t ph\u1ea7n. Spread c\u1ed1 \u0111\u1ecbnh th\u01b0\u1eddng r\u1ed9ng h\u01a1n raw spread trong gi\u1edd b\u00ecnh th\u01b0\u1eddng, v\u00e0 \u0111i\u1ec1u kho\u1ea3n t\u00e0i kho\u1ea3n th\u01b0\u1eddng cho ph\u00e9p nh\u00e0 m\u00f4i gi\u1edbi n\u1edbi r\u1ed9ng spread ho\u1eb7c b\u00e1o gi\u00e1 l\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng b\u1ea5t th\u01b0\u1eddng, th\u01b0\u1eddng bao g\u1ed3m tin t\u1ee9c v\u00e0 rollover. H\u00e3y \u0111\u1ecdc k\u1ef9 \u0111i\u1ec1u kho\u1ea3n tr\u01b0\u1edbc khi d\u1ef1a v\u00e0o n\u00f3.<\/p>\n<\/div>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Article\",\n      \"headline\": \"V\u00ec sao spread Forex gi\u00e3n r\u1ed9ng: Rollover, tin t\u1ee9c v\u00e0 thanh kho\u1ea3n m\u1ecfng\",\n      \"description\": \"V\u00ec sao spread forex gi\u00e3n r\u1ed9ng l\u00fac rollover, khi c\u00f3 tin t\u1ee9c v\u00e0 trong phi\u00ean thanh kho\u1ea3n m\u1ecfng, chi ph\u00ed \u0111\u1ed1i v\u1edbi t\u1eebng chi\u1ebfn l\u01b0\u1ee3c, c\u00e1ch \u0111o h\u1ed3 s\u01a1 spread c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi v\u00e0 c\u00e1ch thu\u1eadt to\u00e1n l\u1ecdc n\u00f3.\",\n      \"image\": \"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/10\/article-cover-forex-spread-widening-1200x630-1.webp\",\n      \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"BJF Trading Group\",\n        \"url\": \"https:\/\/bjftradinggroup.com\/\"\n      },\n      \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"BJF Trading Group\",\n        \"url\": \"https:\/\/bjftradinggroup.com\/\"\n      },\n      \"datePublished\": \"2026-10-25\",\n      \"dateModified\": \"2026-10-25\",\n      \"mainEntityOfPage\": \"https:\/\/bjftradinggroup.com\/forex-spread-widening\/\"\n    },\n    {\n      \"@type\": \"HowTo\",\n      \"name\": \"C\u00e1ch \u0111o h\u1ed3 s\u01a1 spread forex c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi\",\n      \"step\": [\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 1,\n          \"name\": \"Ghi l\u1ea1i tick bid v\u00e0 ask\",\n          \"text\": \"Ghi l\u1ea1i tick bid v\u00e0 ask. L\u01b0u m\u1ecdi b\u00e1o gi\u00e1 k\u00e8m d\u1ea5u th\u1eddi gian mili gi\u00e2y cho c\u00e1c c\u00f4ng c\u1ee5 b\u1ea1n giao d\u1ecbch, trong \u00edt nh\u1ea5t hai tu\u1ea7n tr\u1ecdn v\u1eb9n c\u00f3 bao g\u1ed3m m\u1ed9t b\u1ea3n tin quan tr\u1ecdng.\"\n        },\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 2,\n          \"name\": \"T\u00ednh spread cho t\u1eebng tick\",\n          \"text\": \"T\u00ednh spread cho t\u1eebng tick. Spread = (ask \u2212 bid) \/ k\u00edch th\u01b0\u1edbc pip. Gi\u1eef nguy\u00ean gi\u00e1 tr\u1ecb th\u00f4; ch\u01b0a t\u00ednh trung b\u00ecnh.\"\n        },\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 3,\n          \"name\": \"Nh\u00f3m theo th\u1eddi gian trong ng\u00e0y\",\n          \"text\": \"Nh\u00f3m theo th\u1eddi gian trong ng\u00e0y. D\u00f9ng c\u00e1c kho\u1ea3ng 5 ph\u00fat theo gi\u1edd New York. V\u1edbi m\u1ed7i kho\u1ea3ng, l\u01b0u trung v\u1ecb, ph\u00e2n v\u1ecb th\u1ee9 95 v\u00e0 gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t.\"\n        },\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 4,\n          \"name\": \"\u0110\u00e1nh d\u1ea5u s\u1ef1 ki\u1ec7n\",\n          \"text\": \"\u0110\u00e1nh d\u1ea5u s\u1ef1 ki\u1ec7n. G\u1eafn nh\u00e3n rollover, phi\u00ean m\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt v\u00e0 th\u1eddi \u0111i\u1ec3m c\u00f4ng b\u1ed1 tin t\u1eeb l\u1ecbch kinh t\u1ebf. Xem x\u00e9t t\u1eebng s\u1ef1 ki\u1ec7n ri\u00eang bi\u1ec7t.\"\n        },\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 5,\n          \"name\": \"So s\u00e1nh v\u1edbi ngu\u1ed3n tham chi\u1ebfu\",\n          \"text\": \"So s\u00e1nh v\u1edbi ngu\u1ed3n tham chi\u1ebfu. \u0110\u1eb7t c\u00f9ng c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee7a m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi th\u1ee9 hai ho\u1eb7c m\u1ed9t fast feed c\u1ea1nh d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 kh\u00e1c bi\u1ec7t trong c\u00f9ng m\u1ed9t gi\u00e2y.\"\n        },\n        {\n          \"@type\": \"HowToStep\",\n          \"position\": 6,\n          \"name\": \"Chuy\u1ec3n th\u00e0nh quy t\u1eafc\",\n          \"text\": \"Chuy\u1ec3n th\u00e0nh quy t\u1eafc. \u0110\u1eb7t gi\u1edbi h\u1ea1n spread, khung gi\u1edd v\u00e0 kho\u1ea3ng c\u00e1ch l\u1ec7nh d\u1eebng d\u1ef1a tr\u00ean ph\u00e2n v\u1ecb th\u1ee9 95, kh\u00f4ng ph\u1ea3i m\u1ee9c trung b\u00ecnh. L\u1eb7p l\u1ea1i h\u1eb1ng th\u00e1ng.\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"V\u00ec sao spread forex gi\u00e3n r\u1ed9ng l\u00fac 5 gi\u1edd chi\u1ec1u gi\u1edd New York?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"17:00 gi\u1edd New York l\u00e0 th\u1eddi \u0111i\u1ec3m k\u1ebft th\u00fac ng\u00e0y giao d\u1ecbch forex. C\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n chuy\u1ec3n v\u1ecb th\u1ebf sang ng\u00e0y gi\u00e1 tr\u1ecb ti\u1ebfp theo, t\u00ednh l\u1ea1i r\u1ee7i ro v\u00e0 \u0111\u00f4i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i h\u1ec7 th\u1ed1ng, trong khi ng\u01b0\u1eddi tham gia \u1edf M\u1ef9 \u0111\u00e3 k\u1ebft th\u00fac c\u00f2n ng\u01b0\u1eddi tham gia \u1edf ch\u00e2u \u00c1 ch\u01b0a b\u1eaft \u0111\u1ea7u. \u00cdt b\u00e1o gi\u00e1 h\u01a1n v\u00e0 th\u1eadn tr\u1ecdng h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi spread r\u1ed9ng h\u01a1n trong v\u00e0i ph\u00fat, v\u00e0 l\u00e2u h\u01a1n tr\u00ean c\u00e1c c\u1eb7p ch\u00e9o v\u00e0 kim lo\u1ea1i.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Gi\u00e3n spread l\u00fac rollover k\u00e9o d\u00e0i bao l\u00e2u?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh th\u01b0\u1eddng t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn kho\u1ea3ng 30 ph\u00fat, v\u1edbi \u0111\u1ec9nh ngay sau 17:00 gi\u1edd New York. Tr\u00ean c\u00e1c c\u1eb7p ch\u00e9o, c\u1eb7p ngo\u1ea1i lai v\u00e0 v\u00e0ng, n\u00f3 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn khi thanh kho\u1ea3n Tokyo xu\u1ea5t hi\u1ec7n. H\u00e3y \u0111o tr\u00ean nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a ch\u00ednh b\u1ea1n, v\u00ec th\u1eddi l\u01b0\u1ee3ng kh\u00e1c nhau gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"V\u00ec sao spread gi\u00e3n r\u1ed9ng khi c\u00f3 tin t\u1ee9c?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Tr\u01b0\u1edbc m\u1ed9t b\u1ea3n tin theo l\u1ecbch, c\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c r\u00fat b\u00e1o gi\u00e1, v\u00ec kh\u00f4ng ai mu\u1ed1n b\u1ecb kh\u1edbp \u1edf gi\u00e1 c\u0169 khi s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1. Ngay sau b\u1ea3n tin, m\u1ee9c b\u1ea5t \u0111\u1ecbnh cao nh\u1ea5t n\u00ean c\u00e1c b\u00e1o gi\u00e1 c\u00f2n l\u1ea1i r\u1ea5t r\u1ed9ng. Khi th\u1ecb tr\u01b0\u1eddng h\u1ea5p th\u1ee5 s\u1ed1 li\u1ec7u, c\u00e1c nh\u00e0 cung c\u1ea5p quay l\u1ea1i v\u00e0 spread th\u01b0\u1eddng tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng trong v\u00e0i ph\u00fat tr\u00ean c\u00e1c c\u1eb7p ch\u00ednh.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Gi\u00e3n spread c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t stop loss c\u1ee7a t\u00f4i kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3, \u0111\u1ed1i v\u1edbi v\u1ecb th\u1ebf b\u00e1n. L\u1ec7nh d\u1eebng c\u1ee7a v\u1ecb th\u1ebf b\u00e1n l\u00e0 l\u1ec7nh mua v\u00e0 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi gi\u00e1 ask. N\u1ebfu spread gi\u00e3n \u0111\u1ee7 r\u1ed9ng, gi\u00e1 ask c\u00f3 th\u1ec3 ch\u1ea1m l\u1ec7nh d\u1eebng trong khi gi\u00e1 bid hi\u1ec3n th\u1ecb tr\u00ean bi\u1ec3u \u0111\u1ed3 v\u1eabn c\u00e1ch xa. H\u00e3y \u0111\u1eb7t c\u00e1c l\u1ec7nh d\u1eebng nh\u01b0 v\u1eady xa h\u01a1n m\u1ee9c spread rollover th\u00f4ng th\u01b0\u1eddng ho\u1eb7c qu\u1ea3n l\u00fd v\u1ecb th\u1ebf tr\u01b0\u1edbc khung gi\u1edd \u0111\u00f3.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Gi\u00e3n spread c\u00f3 ph\u1ea3i d\u1ea5u hi\u1ec7u c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi k\u00e9m?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"B\u1ea3n th\u00e2n n\u00f3 th\u00ec kh\u00f4ng. Gi\u00e3n spread l\u00fac rollover, quanh tin t\u1ee9c v\u00e0 trong gi\u1edd thanh kho\u1ea3n m\u1ecfng l\u00e0 h\u00e0nh vi b\u00ecnh th\u01b0\u1eddng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. N\u00f3 ch\u1ec9 \u0111\u00e1ng lo ng\u1ea1i khi spread c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean r\u1ed9ng h\u01a1n c\u00e1c nh\u00e0 m\u00f4i gi\u1edbi kh\u00e1c ho\u1eb7c m\u1ed9t fast feed tham chi\u1ebfu v\u00e0o c\u00f9ng th\u1eddi \u0111i\u1ec3m, ho\u1eb7c khi n\u00f3 ch\u1ec9 gi\u00e3n tr\u00ean t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Khi n\u00e0o spread forex h\u1eb9p nh\u1ea5t?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Th\u01b0\u1eddng l\u00e0 trong kho\u1ea3ng giao thoa gi\u1eefa phi\u00ean London v\u00e0 New York, kho\u1ea3ng 12:00 \u0111\u1ebfn 16:00 UTC, v\u00e0 trong bu\u1ed5i s\u00e1ng London. Spread nh\u00ecn chung r\u1ed9ng h\u01a1n v\u00e0o cu\u1ed1i bu\u1ed5i chi\u1ec1u New York, quanh rollover, v\u00e0o ng\u00e0y l\u1ec5 v\u00e0 trong gi\u1edd \u0111\u1ea7u ti\u00ean sau phi\u00ean m\u1edf c\u1eeda Ch\u1ee7 nh\u1eadt.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"T\u00e0i kho\u1ea3n spread c\u1ed1 \u0111\u1ecbnh c\u00f3 b\u1ea3o v\u1ec7 kh\u1ecfi gi\u00e3n spread kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Ch\u1ec9 m\u1ed9t ph\u1ea7n. Spread c\u1ed1 \u0111\u1ecbnh th\u01b0\u1eddng r\u1ed9ng h\u01a1n raw spread trong gi\u1edd b\u00ecnh th\u01b0\u1eddng, v\u00e0 \u0111i\u1ec1u kho\u1ea3n t\u00e0i kho\u1ea3n th\u01b0\u1eddng cho ph\u00e9p nh\u00e0 m\u00f4i gi\u1edbi n\u1edbi r\u1ed9ng spread ho\u1eb7c b\u00e1o gi\u00e1 l\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng b\u1ea5t th\u01b0\u1eddng, th\u01b0\u1eddng bao g\u1ed3m tin t\u1ee9c v\u00e0 rollover. H\u00e3y \u0111\u1ecdc k\u1ef9 \u0111i\u1ec1u kho\u1ea3n tr\u01b0\u1edbc khi d\u1ef1a v\u00e0o n\u00f3.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script>\n<\/div>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>V\u00ec sao spread forex gi\u00e3n r\u1ed9ng l\u00fac rollover 17:00 New York, quanh c\u00e1c b\u1ea3n tin v\u00e0 trong phi\u00ean thanh kho\u1ea3n m\u1ecfng, gi\u00e3n spread g\u00e2y t\u1ed1n k\u00e9m th\u1ebf n\u00e0o cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c swing, scalping v\u00e0 ch\u00eanh l\u1ec7ch gi\u00e1, c\u00e1ch n\u00f3 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t l\u1ec7nh d\u1eebng, c\u00e1ch \u0111o h\u1ed3 s\u01a1 spread c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi v\u00e0 c\u00e1ch c\u00e1c thu\u1eadt to\u00e1n giao d\u1ecbch l\u1ecdc n\u00f3.<\/p>\n","protected":false},"author":1,"featured_media":15511,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53,221],"tags":[],"class_list":["post-15510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arbitrage-software","category-forex-trading"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Spread Forex gi\u00e3n r\u1ed9ng: Rollover, tin t\u1ee9c &amp; thanh kho\u1ea3n m\u1ecfng<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u v\u00ec sao spread forex gi\u00e3n r\u1ed9ng l\u00fac rollover, khi c\u00f3 tin t\u1ee9c v\u00e0 gi\u1edd thanh kho\u1ea3n m\u1ecfng, chi ph\u00ed cho chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a b\u1ea1n, c\u00e1ch \u0111o v\u00e0 l\u1ecdc gi\u00e3n spread.\" 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apart\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/bjftradinggroup.com\\\/forex-spread-widening\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/bjftradinggroup.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Why Forex Spreads Widen: Rollover, News, Thin Liquidity and How Algorithms Handle It\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/bjftradinggroup.com\\\/#website\",\"url\":\"https:\\\/\\\/bjftradinggroup.com\\\/\",\"name\":\"Forex &amp; Cryptocurrencies Arbitrage Software | BJF Trading Group Inc.\",\"description\":\"FX Software pioneer since 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