{"id":15343,"date":"2026-10-19T15:55:08","date_gmt":"2026-10-19T15:55:08","guid":{"rendered":"https:\/\/bjftradinggroup.com\/?p=15343"},"modified":"2026-10-19T15:55:08","modified_gmt":"2026-10-19T15:55:08","slug":"forex-slippage-explained","status":"publish","type":"post","link":"https:\/\/bjftradinggroup.com\/vi\/forex-slippage-explained\/","title":{"rendered":"Gi\u1ea3i th\u00edch tr\u01b0\u1ee3t gi\u00e1 Forex: C\u00e1ch \u0111o l\u01b0\u1eddng, ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3m thi\u1ec3u"},"content":{"rendered":"

<\/p>\n

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\nBJF TRADING GROUP \u00b7 KH\u1edaP L\u1ec6NH FOREX<\/span><\/p>\n

Gi\u1ea3i th\u00edch tr\u01b0\u1ee3t gi\u00e1 Forex: C\u00e1ch \u0111o l\u01b0\u1eddng, ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3m thi\u1ec3u<\/span><\/h2>\n

Tr\u01b0\u1ee3t gi\u00e1 (slippage) l\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa m\u1ee9c gi\u00e1 b\u1ea1n y\u00eau c\u1ea7u v\u00e0 m\u1ee9c gi\u00e1 b\u1ea1n th\u1ef1c s\u1ef1 nh\u1eadn \u0111\u01b0\u1ee3c. Tr\u00ean m\u1ed9t giao d\u1ecbch, n\u00f3 tr\u00f4ng nh\u01b0 nhi\u1ec5u. Qua h\u00e0ng tr\u0103m giao d\u1ecbch, n\u00f3 quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c scalping hay arbitrage c\u00f3 ki\u1ebfm \u0111\u01b0\u1ee3c ti\u1ec1n hay kh\u00f4ng. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch tr\u01b0\u1ee3t gi\u00e1 \u0111\u1ebfn t\u1eeb \u0111\u00e2u, c\u00e1ch \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c t\u1eeb nh\u1eadt k\u00fd giao d\u1ecbch c\u1ee7a ch\u00ednh b\u1ea1n, c\u00e1ch ph\u00e2n bi\u1ec7t tr\u01b0\u1ee3t gi\u00e1 th\u1ecb tr\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng v\u1edbi vi\u1ec7c kh\u1edbp l\u1ec7nh m\u1ed9t chi\u1ec1u c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi, v\u00e0 nh\u1eefng thay \u0111\u1ed5i n\u00e0o th\u1ef1c s\u1ef1 gi\u00fap gi\u1ea3m tr\u01b0\u1ee3t gi\u00e1.<\/p>\n<\/div>\n

\nTrong h\u01b0\u1edbng d\u1eabn n\u00e0y<\/strong><\/p>\n
    \n
  1. Tr\u01b0\u1ee3t gi\u00e1 l\u00e0 g\u00ec (b\u1eb1ng con s\u1ed1)<\/a><\/li>\n
  2. Tr\u01b0\u1ee3t gi\u00e1 \u0111\u1ebfn t\u1eeb \u0111\u00e2u: h\u00e0nh tr\u00ecnh c\u1ee7a m\u1ed9t l\u1ec7nh<\/a><\/li>\n
  3. S\u00e1u nguy\u00ean nh\u00e2n ch\u00ednh<\/a><\/li>\n
  4. Tr\u01b0\u1ee3t gi\u00e1 theo lo\u1ea1i l\u1ec7nh<\/a><\/li>\n
  5. C\u00e1ch \u0111o tr\u01b0\u1ee3t gi\u00e1 t\u1eebng b\u01b0\u1edbc<\/a><\/li>\n
  6. \u0110\u1ecdc ph\u00e2n ph\u1ed1i: b\u00ecnh th\u01b0\u1eddng hay m\u1ed9t chi\u1ec1u?<\/a><\/li>\n
  7. Chi ph\u00ed tr\u01b0\u1ee3t gi\u00e1 v\u1edbi t\u1eebng chi\u1ebfn l\u01b0\u1ee3c<\/a><\/li>\n
  8. C\u00e1ch gi\u1ea3m tr\u01b0\u1ee3t gi\u00e1<\/a><\/li>\n
  9. Tr\u01b0\u1ee3t gi\u00e1 trong backtest<\/a><\/li>\n
  10. Tr\u01b0\u1ee3t gi\u00e1 trong arbitrage \u0111\u1ed9 tr\u1ec5<\/a><\/li>\n
  11. Nh\u1eefng l\u1ea7m t\u01b0\u1edfng v\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn<\/a><\/li>\n
  12. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<\/ol>\n<\/div>\n

    Tr\u01b0\u1ee3t gi\u00e1 l\u00e0 g\u00ec (b\u1eb1ng con s\u1ed1)<\/h2>\n

    Tr\u1ea3 l\u1eddi ng\u1eafn:<\/strong> tr\u01b0\u1ee3t gi\u00e1 l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa gi\u00e1 k\u1ef3 v\u1ecdng c\u1ee7a m\u1ed9t l\u1ec7nh (gi\u00e1 tr\u00ean m\u00e0n h\u00ecnh khi b\u1ea1n g\u1eedi l\u1ec7nh, ho\u1eb7c gi\u00e1 d\u1eebng c\u1ee7a b\u1ea1n) v\u00e0 gi\u00e1 m\u00e0 l\u1ec7nh \u0111\u01b0\u1ee3c kh\u1edbp. Tr\u01b0\u1ee3t gi\u00e1 \u00e2m khi gi\u00e1 kh\u1edbp b\u1ea5t l\u1ee3i cho b\u1ea1n v\u00e0 d\u01b0\u01a1ng khi gi\u00e1 kh\u1edbp t\u1ed1t h\u01a1n. N\u00f3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng pip, point ho\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n v\u00e0 quy \u0111\u1ed5i th\u00e0nh ti\u1ec1n th\u00f4ng qua gi\u00e1 tr\u1ecb pip v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng v\u1ecb th\u1ebf.<\/p>\n

    M\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1edbi EURUSD. B\u1ea1n g\u1eedi l\u1ec7nh th\u1ecb tr\u01b0\u1eddng mua 1 lot ti\u00eau chu\u1ea9n (100,000 EUR) khi gi\u00e1 ask hi\u1ec3n th\u1ecb 1.08500. L\u1ec7nh \u0111\u01b0\u1ee3c kh\u1edbp \u1edf 1.08512. Ch\u00eanh l\u1ec7ch l\u00e0 0.00012, t\u1ee9c 1.2 pip b\u1ea5t l\u1ee3i cho b\u1ea1n. V\u1edbi gi\u00e1 tr\u1ecb pip kho\u1ea3ng $10 m\u1ed7i lot ti\u00eau chu\u1ea9n, ch\u1ec9 m\u1ed9t giao d\u1ecbch \u0111\u00f3 \u0111\u00e3 t\u1ed1n th\u00eam $12 m\u00e0 kh\u00f4ng bi\u1ec3u \u0111\u1ed3 hay backtest n\u00e0o cho th\u1ea5y.<\/p>\n

    Gi\u1edd \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i. Gi\u00e1 ask l\u00e0 1.08500, nh\u01b0ng khi l\u1ec7nh c\u1ee7a b\u1ea1n \u0111\u1ebfn nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n th\u00ec gi\u00e1 \u0111\u00e3 gi\u1ea3m xu\u1ed1ng 1.08494. Kh\u1edbp l\u1ec7nh c\u00f4ng b\u1eb1ng s\u1ebd cho b\u1ea1n 1.08494: 0.6 pip tr\u01b0\u1ee3t gi\u00e1 d\u01b0\u01a1ng, l\u1ee3i $6 cho b\u1ea1n. Tr\u01b0\u1ee3t gi\u00e1 d\u01b0\u01a1ng l\u00e0 m\u1ed9t ph\u1ea7n b\u00ecnh th\u01b0\u1eddng c\u1ee7a kh\u1edbp l\u1ec7nh th\u1ecb tr\u01b0\u1eddng trung th\u1ef1c; \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea7n th\u01b0\u1edfng hay sai s\u00f3t.<\/p>\n

    L\u1ec7nh d\u1eebng c\u0169ng b\u1ecb tr\u01b0\u1ee3t gi\u00e1, th\u01b0\u1eddng c\u00f2n nhi\u1ec1u h\u01a1n. M\u1ed9t l\u1ec7nh sell stop \u1edf 1.08200 trong l\u00fac gi\u00e1 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh sau khi c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1edbp \u1edf 1.08170: th\u00eam 3.0 pip, t\u1ee9c $30 m\u1ed7i lot, v\u01b0\u1ee3t qu\u00e1 m\u1ee9c l\u1ed7 d\u1ef1 ki\u1ebfn. \u0110\u00f3 l\u00e0 l\u00fd do kho\u1ea3ng c\u00e1ch stop-loss kh\u00f4ng bao gi\u1edd l\u00e0 m\u1ee9c l\u1ed7 t\u1ed1i \u0111a ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t giao d\u1ecbch.<\/p>\n

    \n\n\n\n\n\n\n\n\n
    Tr\u01b0\u1eddng h\u1ee3p<\/th>\nGi\u00e1 k\u1ef3 v\u1ecdng<\/th>\nGi\u00e1 kh\u1edbp<\/th>\nTr\u01b0\u1ee3t gi\u00e1<\/th>\nTi\u1ec1n (1 lot EURUSD)<\/th>\n<\/tr>\n<\/thead>\n
    Mua th\u1ecb tr\u01b0\u1eddng, gi\u00e1 t\u0103ng<\/td>\n1.08500<\/td>\n1.08512<\/td>\n-1.2 pip<\/td>\n-$12<\/td>\n<\/tr>\n
    Mua th\u1ecb tr\u01b0\u1eddng, gi\u00e1 gi\u1ea3m<\/td>\n1.08500<\/td>\n1.08494<\/td>\n+0.6 pip<\/td>\n+$6<\/td>\n<\/tr>\n
    Sell stop trong l\u00fac c\u00f3 tin<\/td>\n1.08200<\/td>\n1.08170<\/td>\n-3.0 pip<\/td>\n-$30<\/td>\n<\/tr>\n
    Buy limit<\/td>\n1.08400<\/td>\n1.08400 ho\u1eb7c t\u1ed1t h\u01a1n<\/td>\n0 ho\u1eb7c d\u01b0\u01a1ng<\/td>\n$0 ho\u1eb7c t\u1ed1t h\u01a1n, nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng kh\u1edbp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    Tr\u01b0\u1ee3t gi\u00e1 \u0111\u1ebfn t\u1eeb \u0111\u00e2u: h\u00e0nh tr\u00ecnh c\u1ee7a m\u1ed9t l\u1ec7nh<\/h2>\n

    Tr\u01b0\u1ee3t gi\u00e1 t\u1ed3n t\u1ea1i v\u00ec l\u1ec7nh kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edbp ngay t\u1ea1i th\u1eddi \u0111i\u1ec3m b\u1ea1n quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch. N\u00f3 ph\u1ea3i di chuy\u1ec3n. Gi\u1eefa gi\u00e1 quy\u1ebft \u0111\u1ecbnh v\u00e0 gi\u00e1 kh\u1edbp c\u00f3 nhi\u1ec1u b\u01b0\u1edbc, v\u00e0 th\u1ecb tr\u01b0\u1eddng v\u1eabn ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng trong t\u1eebng b\u01b0\u1edbc \u0111\u00f3.<\/p>\n

    \"S\u01a1
    M\u1ed7i mili gi\u00e2y gi\u1eefa gi\u00e1 quy\u1ebft \u0111\u1ecbnh v\u00e0 gi\u00e1 kh\u1edbp l\u00e0 th\u1eddi gian \u0111\u1ec3 gi\u00e1 di chuy\u1ec3n. C\u00e1c kho\u1ea3ng gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh ch\u1ec9 mang t\u00ednh tham kh\u1ea3o v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/figcaption><\/figure>\n
      \n
    1. T\u00edn hi\u1ec7u v\u00e0 quy\u1ebft \u0111\u1ecbnh.<\/strong> Chi\u1ebfn l\u01b0\u1ee3c ho\u1eb7c m\u1eaft b\u1ea1n nh\u00ecn th\u1ea5y m\u1ed9t m\u1ee9c gi\u00e1. N\u1ebfu gi\u00e1 \u0111\u00f3 \u0111\u1ebfn mu\u1ed9n (feed ch\u1eadm), tr\u01b0\u1ee3t gi\u00e1 th\u1ef1c ch\u1ea5t \u0111\u00e3 b\u1eaft \u0111\u1ea7u tr\u01b0\u1edbc khi b\u1ea1n nh\u1ea5p chu\u1ed9t.<\/li>\n
    2. Terminal v\u00e0 t\u1ea1o l\u1ec7nh.<\/strong> Th\u01b0\u1eddng m\u1ea5t v\u00e0i mili gi\u00e2y, l\u00e2u h\u01a1n tr\u00ean m\u00e1y t\u00ednh qu\u00e1 t\u1ea3i ho\u1eb7c d\u00f9ng nhi\u1ec1u ch\u1ec9 b\u00e1o n\u1eb7ng.<\/li>\n
    3. M\u1ea1ng \u0111\u1ebfn nh\u00e0 m\u00f4i gi\u1edbi.<\/strong> T\u1eeb d\u01b0\u1edbi 1 ms v\u1edbi m\u00e1y ch\u1ee7 trong c\u00f9ng trung t\u00e2m d\u1eef li\u1ec7u \u0111\u1ebfn 80\u2013150 ms t\u1eeb k\u1ebft n\u1ed1i gia \u0111\u00ecnh \u1edf ch\u00e2u l\u1ee5c kh\u00e1c.<\/li>\n
    4. M\u00e1y ch\u1ee7 nh\u00e0 m\u00f4i gi\u1edbi.<\/strong> Ki\u1ec3m tra k\u00fd qu\u1ef9 v\u00e0 r\u1ee7i ro, quy t\u1eafc \u0111\u1ecbnh tuy\u1ebfn v\u00e0 \u0111\u00f4i khi l\u00e0 c\u00e1c plugin kh\u1edbp l\u1ec7nh l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1ec5.<\/li>\n
    5. Nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n.<\/strong> Tr\u00ean nhi\u1ec1u h\u1ec7 th\u1ed1ng ECN\/STP, nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 gi\u1eef l\u1ec7nh trong m\u1ed9t kho\u1ea3ng “last look” ng\u1eafn tr\u01b0\u1edbc khi ch\u1ea5p nh\u1eadn ho\u1eb7c t\u1eeb ch\u1ed1i.<\/li>\n
    6. Kh\u1edbp l\u1ec7nh v\u00e0 x\u00e1c nh\u1eadn.<\/strong> M\u1ee9c gi\u00e1 m\u00e0 l\u1ec7nh \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn tr\u1edf th\u00e0nh gi\u00e1 kh\u1edbp c\u1ee7a b\u1ea1n. X\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c g\u1eedi ng\u01b0\u1ee3c l\u1ea1i qua m\u1ea1ng.<\/li>\n<\/ol>\n

      T\u1ed5ng \u0111\u01b0\u1eddng \u0111i c\u00e0ng d\u00e0i v\u00e0 th\u1ecb tr\u01b0\u1eddng c\u00e0ng nhanh th\u00ec bi\u1ebfn \u0111\u1ed9ng gi\u00e1 c\u00f3 th\u1ec3 x\u1ea3y ra c\u00e0ng l\u1edbn. \u0110\u00e2y ch\u00ednh l\u00e0 c\u01a1 ch\u1ebf t\u1ea1o ra c\u00e1c c\u01a1 h\u1ed9i arbitrage \u0111\u1ed9 tr\u1ec5<\/a>, ch\u1ec9 l\u00e0 nh\u00ecn t\u1eeb ph\u00eda b\u00ean kia.<\/p>\n

      S\u00e1u nguy\u00ean nh\u00e2n ch\u00ednh<\/h2>\n

      1. \u0110\u1ed9 tr\u1ec5<\/h3>\n

      Th\u1eddi gian gi\u1eefa gi\u00e1 quy\u1ebft \u0111\u1ecbnh v\u00e0 gi\u00e1 kh\u1edbp. N\u00f3 bao g\u1ed3m \u0111\u1ed9 tr\u1ec5 c\u1ee7a feed, tuy\u1ebfn m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 th\u1eddi gian x\u1eed l\u00fd ph\u00eda nh\u00e0 m\u00f4i gi\u1edbi. \u0110\u1ed9 tr\u1ec5 kh\u00f4ng quy\u1ebft \u0111\u1ecbnh h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng gi\u00e1, nh\u01b0ng quy\u1ebft \u0111\u1ecbnh gi\u00e1 c\u00f3 th\u1ec3 \u0111i xa \u0111\u1ebfn \u0111\u00e2u.<\/p>\n

      2. Bi\u1ebfn \u0111\u1ed9ng<\/h3>\n

      Trong phi\u00ean ch\u00e2u \u00c1 y\u00ean \u1eafng, EURUSD c\u00f3 th\u1ec3 ch\u1ec9 di chuy\u1ec3n m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a pip trong 100 ms. Trong nh\u1eefng gi\u00e2y \u0111\u1ea7u sau m\u1ed9t tin quan tr\u1ecdng, n\u00f3 c\u00f3 th\u1ec3 di chuy\u1ec3n v\u00e0i pip trong c\u00f9ng kho\u1ea3ng th\u1eddi gian. C\u00f9ng m\u1ed9t \u0111\u1ed9 tr\u1ec5 kh\u1edbp l\u1ec7nh t\u1ea1o ra m\u1ee9c tr\u01b0\u1ee3t gi\u00e1 r\u1ea5t kh\u00e1c nhau.<\/p>\n

      3. Thanh kho\u1ea3n v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng l\u1ec7nh<\/h3>\n

      Gi\u00e1 ch\u00e0o t\u1ed1t nh\u1ea5t ch\u1ec9 c\u00f3 s\u1eb5n cho m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng gi\u1edbi h\u1ea1n. M\u1ed9t l\u1ec7nh l\u1edbn s\u1ebd “\u0103n s\u00e2u v\u00e0o s\u1ed5 l\u1ec7nh”: m\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c kh\u1edbp \u1edf gi\u00e1 t\u1ed1t nh\u1ea5t v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i \u1edf c\u00e1c m\u1ee9c ti\u1ebfp theo. V\u1edbi c\u00e1c c\u1eb7p ch\u00ednh, \u0111i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu quan tr\u1ecdng khi kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c trong gi\u1edd thanh kho\u1ea3n m\u1ecfng; v\u1edbi c\u00e1c c\u1eb7p ngo\u1ea1i lai v\u00e0 m\u1ed9t s\u1ed1 kim lo\u1ea1i, ch\u1ec9 s\u1ed1, n\u00f3 quan tr\u1ecdng s\u1edbm h\u01a1n nhi\u1ec1u.<\/p>\n

      4. Kho\u1ea3ng tr\u1ed1ng gi\u00e1 (gap)<\/h3>\n

      V\u00e0o cu\u1ed1i tu\u1ea7n, l\u00fac rollover h\u1eb1ng ng\u00e0y v\u00e0 quanh th\u1eddi \u0111i\u1ec3m c\u00f3 tin, gi\u00e1 c\u00f3 th\u1ec3 nh\u1ea3y m\u00e0 kh\u00f4ng giao d\u1ecbch qua c\u00e1c m\u1ee9c \u1edf gi\u1eefa. L\u1ec7nh d\u1eebng n\u1eb1m trong kho\u1ea3ng tr\u1ed1ng \u0111\u00f3 \u0111\u01b0\u1ee3c kh\u1edbp \u1edf m\u1ee9c gi\u00e1 kh\u1ea3 d\u1ee5ng \u0111\u1ea7u ti\u00ean, c\u00f3 th\u1ec3 c\u00e1ch xa m\u1ee9c d\u1eebng.<\/p>\n

      5. Lo\u1ea1i l\u1ec7nh v\u00e0 ch\u1ebf \u0111\u1ed9 kh\u1edbp l\u1ec7nh<\/h3>\n

      L\u1ec7nh th\u1ecb tr\u01b0\u1eddng v\u00e0 l\u1ec7nh d\u1eebng ch\u1ea5p nh\u1eadn m\u1ee9c gi\u00e1 kh\u1ea3 d\u1ee5ng ti\u1ebfp theo; l\u1ec7nh gi\u1edbi h\u1ea1n th\u00ec kh\u00f4ng. C\u00e1c t\u00e0i kho\u1ea3n c\u0169ng kh\u00e1c nhau v\u1ec1 ch\u1ebf \u0111\u1ed9 kh\u1edbp l\u1ec7nh: v\u1edbi market execution b\u1ea1n nh\u1eadn m\u1ee9c gi\u00e1 ti\u1ebfp theo, v\u1edbi instant execution nh\u00e0 m\u00f4i gi\u1edbi c\u00f3 th\u1ec3 g\u1eedi b\u00e1o gi\u00e1 l\u1ea1i (requote) thay v\u00ec kh\u1edbp \u1edf m\u1ee9c gi\u00e1 kh\u00e1c.<\/p>\n

      6. C\u00e1ch kh\u1edbp l\u1ec7nh c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi<\/h3>\n

      Ph\u1ea7n l\u1edbn tr\u01b0\u1ee3t gi\u00e1 do th\u1ecb tr\u01b0\u1eddng g\u00e2y ra. M\u1ed9t ph\u1ea7n do c\u00e1ch nh\u00e0 m\u00f4i gi\u1edbi x\u1eed l\u00fd l\u1ec7nh: \u0111\u1ed9 tr\u1ec5 nh\u00e2n t\u1ea1o, last look t\u1eeb ch\u1ed1i l\u1ec7nh khi gi\u00e1 \u0111i theo h\u01b0\u1edbng c\u00f3 l\u1ee3i cho b\u1ea1n, ho\u1eb7c quy t\u1eafc chuy\u1ec3n tr\u01b0\u1ee3t gi\u00e1 \u00e2m cho kh\u00e1ch h\u00e0ng nh\u01b0ng kh\u00f4ng chuy\u1ec3n tr\u01b0\u1ee3t gi\u00e1 d\u01b0\u01a1ng. Ch\u00fang t\u00f4i tr\u00ecnh b\u00e0y c\u00e1ch ph\u00e1t hi\u1ec7n \u0111i\u1ec1u n\u00e0y \u1edf b\u00ean d\u01b0\u1edbi v\u00e0 chi ti\u1ebft trong h\u01b0\u1edbng d\u1eabn v\u1ec1 t\u00ednh minh b\u1ea1ch kh\u1edbp l\u1ec7nh c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi<\/a>.<\/p>\n

      Tr\u01b0\u1ee3t gi\u00e1 theo lo\u1ea1i l\u1ec7nh<\/h2>\n

      Lo\u1ea1i l\u1ec7nh kh\u00f4ng lo\u1ea1i b\u1ecf r\u1ee7i ro gi\u00e1; n\u00f3 ch\u1ec9 quy\u1ebft \u0111\u1ecbnh b\u1ea1n ch\u1ea5p nh\u1eadn r\u1ee7i ro n\u00e0o: gi\u00e1 t\u1ec7 h\u01a1n hay kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edbp.<\/p>\n

      \n\n\n\n\n\n\n\n\n\n\n
      Lo\u1ea1i l\u1ec7nh<\/th>\nC\u00f3 b\u1ecb tr\u01b0\u1ee3t gi\u00e1 kh\u00f4ng?<\/th>\nR\u1ee7i ro ch\u00ednh<\/th>\nC\u00e1ch d\u00f9ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n
      Th\u1ecb tr\u01b0\u1eddng<\/td>\nC\u00f3, c\u1ea3 hai chi\u1ec1u<\/td>\nKh\u1edbp gi\u00e1 t\u1ec7 h\u01a1n khi th\u1ecb tr\u01b0\u1eddng nhanh<\/td>\nKhi vi\u1ec7c v\u00e0o ho\u1eb7c tho\u00e1t l\u1ec7nh quan tr\u1ecdng h\u01a1n gi\u00e1 ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n
      Th\u1ecb tr\u01b0\u1eddng v\u1edbi \u0111\u1ed9 l\u1ec7ch t\u1ed1i \u0111a<\/td>\nCh\u1ec9 trong ph\u1ea1m vi \u0111\u00e3 \u0111\u1eb7t<\/td>\nB\u1ecb t\u1eeb ch\u1ed1i n\u1ebfu gi\u00e1 \u0111i xa h\u01a1n<\/td>\nScalping v\u00e0 v\u00e0o l\u1ec7nh b\u1eb1ng thu\u1eadt to\u00e1n v\u1edbi gi\u1edbi h\u1ea1n chi ph\u00ed ch\u1eb7t ch\u1ebd<\/td>\n<\/tr>\n
      Gi\u1edbi h\u1ea1n (limit)<\/td>\nKh\u00f4ng c\u00f3 tr\u01b0\u1ee3t gi\u00e1 \u00e2m; c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u00e1 t\u1ed1t h\u01a1n<\/td>\nKh\u00f4ng kh\u1edbp ho\u1eb7c kh\u1edbp m\u1ed9t ph\u1ea7n<\/td>\nV\u00e0o l\u1ec7nh theo k\u1ebf ho\u1ea1ch, ch\u1ed1t l\u1eddi, kh\u1edbp l\u1ec7nh th\u1ee5 \u0111\u1ed9ng<\/td>\n<\/tr>\n
      D\u1eebng (stop loss, v\u00e0o l\u1ec7nh breakout)<\/td>\nC\u00f3, th\u01b0\u1eddng l\u00e0 \u00e2m<\/td>\nKh\u1edbp v\u01b0\u1ee3t qu\u00e1 m\u1ee9c d\u1eebng khi c\u00f3 gap v\u00e0 tin t\u1ee9c<\/td>\nB\u1ea3o v\u1ec7 v\u1ecb th\u1ebf, v\u00e0o l\u1ec7nh theo \u0111\u1ed9ng l\u01b0\u1ee3ng<\/td>\n<\/tr>\n
      Stop-limit<\/td>\nCh\u1ec9 \u0111\u1ebfn m\u1ee9c gi\u1edbi h\u1ea1n<\/td>\nV\u1ecb th\u1ebf v\u1eabn m\u1edf n\u1ebfu gi\u00e1 nh\u1ea3y qua m\u1ee9c gi\u1edbi h\u1ea1n<\/td>\nV\u00e0o l\u1ec7nh breakout khi kh\u1edbp gi\u00e1 x\u1ea5u c\u00f2n t\u1ec7 h\u01a1n kh\u00f4ng kh\u1edbp<\/td>\n<\/tr>\n
      IOC \/ FOK (FIX v\u00e0 ECN)<\/td>\nCh\u1ec9 trong ph\u1ea1m vi gi\u00e1 gi\u1edbi h\u1ea1n<\/td>\nKh\u1edbp m\u1ed9t ph\u1ea7n (IOC) ho\u1eb7c kh\u00f4ng kh\u1edbp (FOK)<\/td>\nKh\u1edbp l\u1ec7nh thu\u1eadt to\u00e1n v\u00e0 arbitrage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      IOC (immediate or cancel) kh\u1edbp m\u1ecdi kh\u1ed1i l\u01b0\u1ee3ng c\u00f3 s\u1eb5n \u1edf gi\u00e1 gi\u1edbi h\u1ea1n ho\u1eb7c t\u1ed1t h\u01a1n v\u00e0 h\u1ee7y ph\u1ea7n c\u00f2n l\u1ea1i. FOK (fill or kill) kh\u1edbp to\u00e0n b\u1ed9 kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c kh\u00f4ng kh\u1edbp g\u00ec. C\u1ea3 hai \u0111\u1ec1u l\u00e0 ti\u00eau chu\u1ea9n tr\u00ean c\u00e1c k\u1ebft n\u1ed1i FIX API<\/a> v\u00e0 cho ph\u00e9p thu\u1eadt to\u00e1n ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c m\u1ee9c gi\u00e1 t\u1ec7 nh\u1ea5t c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn.<\/p>\n

      C\u00e1ch \u0111o tr\u01b0\u1ee3t gi\u00e1 t\u1eebng b\u01b0\u1edbc<\/h2>\n

      H\u1ea7u h\u1ebft trader \u0111\u00e1nh gi\u00e1 tr\u01b0\u1ee3t gi\u00e1 d\u1ef1a v\u00e0o k\u00fd \u1ee9c v\u1ec1 v\u00e0i giao d\u1ecbch \u0111au \u0111\u1edbn. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111o l\u01b0\u1eddng. B\u1ea1n c\u1ea7n m\u1ed9t nh\u1eadt k\u00fd v\u00e0 m\u1ed9t quy \u01b0\u1edbc d\u1ea5u nh\u1ea5t qu\u00e1n.<\/p>\n

      \n
      1<\/span><\/p>\n
      Ghi l\u1ea1i gi\u00e1 k\u1ef3 v\u1ecdng<\/strong>
      V\u1edbi l\u1ec7nh th\u1ecb tr\u01b0\u1eddng, ghi gi\u00e1 bid (b\u00e1n) ho\u1eb7c ask (mua) t\u1ea1i th\u1eddi \u0111i\u1ec3m g\u1eedi; v\u1edbi l\u1ec7nh d\u1eebng v\u00e0 l\u1ec7nh gi\u1edbi h\u1ea1n, ghi gi\u00e1 c\u1ee7a l\u1ec7nh. L\u01b0u d\u1ea5u th\u1eddi gian theo mili gi\u00e2y.<\/div>\n<\/div>\n
      2<\/span><\/p>\n
      Ghi l\u1ea1i k\u1ebft qu\u1ea3 kh\u1edbp<\/strong>
      Gi\u00e1 kh\u1edbp, th\u1eddi gian kh\u1edbp v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u1edbp c\u1ee7a m\u1ecdi l\u1ec7nh, k\u1ec3 c\u1ea3 l\u1ec7nh kh\u1edbp m\u1ed9t ph\u1ea7n v\u00e0 l\u1ec7nh b\u1ecb t\u1eeb ch\u1ed1i.<\/div>\n<\/div>\n
      3<\/span><\/p>\n
      T\u00ednh tr\u01b0\u1ee3t gi\u00e1 c\u00f3 d\u1ea5u<\/strong>
      Tr\u01b0\u1ee3t gi\u00e1 = (gi\u00e1 k\u1ef3 v\u1ecdng – gi\u00e1 kh\u1edbp) x h\u01b0\u1edbng \/ k\u00edch th\u01b0\u1edbc pip, trong \u0111\u00f3 h\u01b0\u1edbng l\u00e0 +1 v\u1edbi l\u1ec7nh mua v\u00e0 -1 v\u1edbi l\u1ec7nh b\u00e1n. Gi\u00e1 tr\u1ecb d\u01b0\u01a1ng ngh\u0129a l\u00e0 c\u00f3 l\u1ee3i cho b\u1ea1n.<\/div>\n<\/div>\n
      4<\/span><\/p>\n
      Quy \u0111\u1ed5i ra ti\u1ec1n<\/strong>
      Nh\u00e2n v\u1edbi gi\u00e1 tr\u1ecb pip v\u00e0 s\u1ed1 lot. C\u1ed9ng theo ng\u00e0y v\u00e0 theo th\u00e1ng \u0111\u1ec3 th\u1ea5y chi ph\u00ed th\u1ef1c.<\/div>\n<\/div>\n
      5<\/span><\/p>\n
      Chia nh\u1ecf d\u1eef li\u1ec7u<\/strong>
      Theo m\u00e3 giao d\u1ecbch, phi\u00ean, th\u1eddi \u0111i\u1ec3m c\u00f3 tin so v\u1edbi b\u00ecnh th\u01b0\u1eddng, lo\u1ea1i l\u1ec7nh v\u00e0 th\u1eddi gian kh\u1edbp. S\u1ed1 trung b\u00ecnh che gi\u1ea5u nh\u1eefng quy lu\u1eadt quan tr\u1ecdng.<\/div>\n<\/div>\n
      6<\/span><\/p>\n
      L\u1eb7p l\u1ea1i h\u1eb1ng th\u00e1ng<\/strong>
      Ch\u1ea5t l\u01b0\u1ee3ng kh\u1edbp l\u1ec7nh thay \u0111\u1ed5i khi nh\u00e0 m\u00f4i gi\u1edbi \u0111\u1ed5i nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n ho\u1eb7c thi\u1ebft l\u1eadp. M\u1ed9t l\u1ea7n ki\u1ec3m tra duy nh\u1ea5t s\u1ebd nhanh ch\u00f3ng l\u1ed7i th\u1eddi.<\/div>\n<\/div>\n<\/div>\n

      Ki\u1ec3m tra quy \u01b0\u1edbc d\u1ea5u v\u1edbi v\u00ed d\u1ee5 \u0111\u1ea7u ti\u00ean: mua, k\u1ef3 v\u1ecdng 1.08500, kh\u1edbp 1.08512. (1.08500 – 1.08512) x (+1) \/ 0.0001 = -1.2 pip. \u00c2m, ngh\u0129a l\u00e0 b\u1ea5t l\u1ee3i cho b\u1ea1n. V\u1edbi l\u1ec7nh b\u00e1n c\u00f3 bid k\u1ef3 v\u1ecdng 1.08480 v\u00e0 kh\u1edbp 1.08486: (1.08480 – 1.08486) x (-1) \/ 0.0001 = +0.6 pip, c\u00f3 l\u1ee3i cho b\u1ea1n.<\/p>\n

      T\u1eeb nh\u1eadt k\u00fd, h\u00e3y t\u00ednh m\u1ed9t nh\u00f3m nh\u1ecf c\u00e1c con s\u1ed1. C\u00e1c th\u1ebb d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y b\u1ea3n t\u00f3m t\u1eaft nh\u01b0 v\u1eady tr\u00f4ng th\u1ebf n\u00e0o v\u1edbi m\u1ed9t m\u1eabu minh h\u1ecda g\u1ed3m 500 l\u1ec7nh th\u1ecb tr\u01b0\u1eddng tr\u00ean m\u1ed9t c\u1eb7p ti\u1ec1n ch\u00ednh.<\/p>\n

      \n
      -0.18<\/span>Tr\u01b0\u1ee3t gi\u00e1 c\u00f3 d\u1ea5u trung b\u00ecnh, pip<\/span>Chi ph\u00ed trung b\u00ecnh c\u1ee7a b\u1ea1n cho m\u1ed7i chi\u1ec1u l\u1ec7nh<\/span><\/div>\n
      0.0<\/span>Trung v\u1ecb, pip<\/span>M\u1ed9t n\u1eeda s\u1ed1 l\u1ec7nh \u0111\u01b0\u1ee3c kh\u1edbp \u1edf gi\u00e1 k\u1ef3 v\u1ecdng ho\u1eb7c t\u1ed1t h\u01a1n<\/span><\/div>\n
      -1.4<\/span>Ph\u00e2n v\u1ecb th\u1ee9 5, pip<\/span>5% l\u1ec7nh kh\u1edbp t\u1ec7 nh\u1ea5t; \u0111\u00e2y l\u00e0 \u0111i\u1ec1u g\u00e2y h\u1ea1i cho stop h\u1eb9p v\u00e0 scalping<\/span><\/div>\n
      21% \/ 34%<\/span>T\u1ef7 l\u1ec7 d\u01b0\u01a1ng \/ \u00e2m<\/span>Ph\u1ea7n c\u00f2n l\u1ea1i (45%) kh\u1edbp \u0111\u00fang gi\u00e1 k\u1ef3 v\u1ecdng<\/span><\/div>\n
      $1.80<\/span>Chi ph\u00ed m\u1ed7i lot m\u1ed7i chi\u1ec1u<\/span>0.18 pip x $10; c\u1ed9ng th\u00eam v\u00e0o spread v\u00e0 hoa h\u1ed3ng<\/span><\/div>\n<\/div>\n

      M\u1eabu minh h\u1ecda ch\u1ec9 nh\u1eb1m gi\u1ea3i th\u00edch, kh\u00f4ng ph\u1ea3i d\u1eef li\u1ec7u t\u1eeb m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi hay t\u00e0i kho\u1ea3n c\u1ee5 th\u1ec3.<\/p>\n

      S\u1ed1 trung b\u00ecnh cho b\u1ea1n bi\u1ebft chi ph\u00ed. Ph\u1ea7n \u0111u\u00f4i (ph\u00e2n v\u1ecb th\u1ee9 5) cho b\u1ea1n bi\u1ebft r\u1ee7i ro \u0111\u1ed1i v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c c\u00f3 m\u1ee5c ti\u00eau nh\u1ecf. T\u1ef7 l\u1ec7 d\u01b0\u01a1ng\/\u00e2m v\u00e0 h\u00ecnh d\u1ea1ng ph\u00e2n ph\u1ed1i cho b\u1ea1n bi\u1ebft kh\u1edbp l\u1ec7nh c\u00f3 \u0111\u1ed1i x\u1ee9ng hay kh\u00f4ng, \u0111\u00f3 l\u00e0 ch\u1ee7 \u0111\u1ec1 c\u1ee7a ph\u1ea7n ti\u1ebfp theo. N\u1ebfu b\u1ea1n mu\u1ed1n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 s\u1eb5n, b\u1ed9 c\u00f4ng c\u1ee5 ki\u1ec3m to\u00e1n nh\u00e0 m\u00f4i gi\u1edbi<\/a> m\u1edf c\u1ee7a ch\u00fang t\u00f4i ch\u1ea5m \u0111i\u1ec3m ch\u1ea5t l\u01b0\u1ee3ng kh\u1edbp l\u1ec7nh t\u1eeb c\u00f9ng lo\u1ea1i nh\u1eadt k\u00fd.<\/p>\n

      \u0110\u1ecdc ph\u00e2n ph\u1ed1i: b\u00ecnh th\u01b0\u1eddng hay m\u1ed9t chi\u1ec1u?<\/h2>\n

      Khi kh\u1edbp l\u1ec7nh c\u00f4ng b\u1eb1ng, kh\u1ea3 n\u0103ng gi\u00e1 di chuy\u1ec3n c\u00f3 l\u1ee3i cho b\u1ea1n v\u00e0 b\u1ea5t l\u1ee3i cho b\u1ea1n trong th\u1eddi gian tr\u1ec5 l\u00e0 nh\u01b0 nhau. Khi \u0111\u00f3 bi\u1ec3u \u0111\u1ed3 t\u1ea7n su\u1ea5t c\u1ee7a tr\u01b0\u1ee3t gi\u00e1 c\u00f3 d\u1ea5u g\u1ea7n nh\u01b0 \u0111\u1ed1i x\u1ee9ng quanh 0, v\u1edbi m\u1ed9t c\u1ed9t cao \u1edf 0. Khi tr\u01b0\u1ee3t gi\u00e1 d\u01b0\u01a1ng b\u1ecb gi\u1eef l\u1ea1i nh\u01b0ng tr\u01b0\u1ee3t gi\u00e1 \u00e2m v\u1eabn \u0111\u01b0\u1ee3c chuy\u1ec3n cho b\u1ea1n, ph\u00eda b\u00ean ph\u1ea3i c\u1ee7a bi\u1ec3u \u0111\u1ed3 bi\u1ebfn m\u1ea5t.<\/p>\n

      \"Hai
      C\u00e1c ph\u00e2n ph\u1ed1i m\u00f4 ph\u1ecfng mang t\u00ednh minh h\u1ecda. Tr\u00e1i: kh\u1edbp l\u1ec7nh \u0111\u1ed1i x\u1ee9ng. Ph\u1ea3i: c\u00f9ng c\u00e1c bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng nh\u01b0ng tr\u01b0\u1ee3t gi\u00e1 d\u01b0\u01a1ng b\u1ecb lo\u1ea1i b\u1ecf.<\/figcaption><\/figure>\n

      Nh\u1eefng \u0111i\u1ec3m c\u1ea7n ki\u1ec3m tra tr\u01b0\u1edbc khi k\u1ebft lu\u1eadn:<\/p>\n