{"id":12946,"date":"2026-05-04T14:21:44","date_gmt":"2026-05-04T14:21:44","guid":{"rendered":"https:\/\/bjftradinggroup.com\/?page_id=12946"},"modified":"2026-05-22T03:09:20","modified_gmt":"2026-05-22T03:09:20","slug":"hedge-arbitrage","status":"publish","type":"page","link":"https:\/\/bjftradinggroup.com\/vi\/hedge-arbitrage\/","title":{"rendered":"Kinh doanh ch\u00eanh l\u1ec7ch gi\u00e1 ph\u00f2ng h\u1ed9"},"content":{"rendered":"

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BJF TRADING GROUP \u00a0\u00b7\u00a0 H\u01af\u1edaNG D\u1eaaN K\u1ef8 THU\u1eacT<\/span><\/p>\n

L\u1ecdc t\u00edn hi\u1ec7u arbitrage hedge: Difference-to-Open v\u00e0 b\u1ed9 l\u1ecdc Fast Feed<\/span><\/h1>\n

Trong m\u1ed9t thi\u1ebft l\u1eadp arbitrage hedge v\u1edbi hai broker, 60\u201380% c\u00e1c ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u00eanh l\u1ec7ch gi\u00e1 LP th\u1ef1c s\u1ef1. Th\u1ef1c hi\u1ec7n giao d\u1ecbch theo c\u00e1c t\u00edn hi\u1ec7u n\u00e0y s\u1ebd thua l\u1ed7 \u1edf m\u1ed7i l\u1ec7nh v\u00e0 t\u1ea1o ra d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i m\u00e0 c\u00e1c broker s\u1ebd ph\u00e2n lo\u1ea1i v\u00e0 h\u1ea1n ch\u1ebf. H\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00ecnh b\u00e0y c\u1ea3 hai c\u1ea5p \u0111\u1ed9 l\u1ecdc: ng\u01b0\u1ee1ng difference-to-open \u0111\u01a1n gi\u1ea3n v\u00e0 ki\u1ebfn tr\u00fac tham chi\u1ebfu fast feed n\u00e2ng cao gi\u00fap g\u1ea7n nh\u01b0 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5.<\/p>\n

2,600<\/strong> t\u1eeb
\n7<\/strong> ph\u1ea7n
\n~12 ph\u00fat<\/strong> \u0111\u1ecdc
\n\u0110\u1ed1i t\u01b0\u1ee3ng:<\/strong> trader arbitrage, nh\u00e0 ph\u00e1t tri\u1ec3n quant, \u0111\u1ed9i ng\u0169 qu\u1ea3n tr\u1ecb r\u1ee7i ro broker<\/div>\n<\/div>\n
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60\u201380%<\/span>T\u00edn hi\u1ec7u ch\u01b0a l\u1ecdc l\u00e0 nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5<\/span><\/div>\n
<5%<\/span>M\u1ee9c nhi\u1ec5m nhi\u1ec5u v\u1edbi b\u1ed9 l\u1ecdc fast feed<\/span><\/div>\n
30\u2013150ms<\/span>Th\u1eddi gian s\u1ee5p \u0111\u1ed5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a nhi\u1ec5u<\/span><\/div>\n
3<\/span>\u0110i\u1ec1u ki\u1ec7n l\u1ecdc b\u1eaft bu\u1ed9c<\/span><\/div>\n<\/div>\n

Hai lo\u1ea1i t\u00edn hi\u1ec7u arbitrage hedge<\/h2>\n
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Khi ph\u1ea7n m\u1ec1m arbitrage hedge ph\u00e1t hi\u1ec7n m\u1ed9t ch\u00eanh l\u1ec7ch gi\u1eefa b\u00e1o gi\u00e1 c\u1ee7a hai broker, ch\u00eanh l\u1ec7ch \u0111\u00f3 c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t trong hai nguy\u00ean nh\u00e2n ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/strong> Th\u1ee9 nh\u1ea5t l\u00e0 ch\u00eanh l\u1ec7ch gi\u00e1 th\u1ef1c s\u1ef1 gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n c\u1ee7a hai broker, t\u1ee9c m\u1ed9t c\u01a1 h\u1ed9i c\u00f3 th\u1ec3 giao d\u1ecbch. Th\u1ee9 hai l\u00e0 nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 c\u1ee7a feed: m\u1ed9t broker nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u nhanh h\u01a1n broker c\u00f2n l\u1ea1i, v\u00e0 ch\u00eanh l\u1ec7ch nh\u00ecn th\u1ea5y ch\u1ec9 t\u1ed3n t\u1ea1i v\u00ec b\u00e1o gi\u00e1 c\u1ee7a broker ch\u1eadm h\u01a1n ch\u01b0a k\u1ecbp c\u1eadp nh\u1eadt. Hai tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t ch\u1ec9 b\u1eb1ng so s\u00e1nh b\u00e1o gi\u00e1 th\u00f4, nh\u01b0ng l\u1ea1i d\u1eabn t\u1edbi k\u1ebft qu\u1ea3 th\u1ef1c thi ho\u00e0n to\u00e0n tr\u00e1i ng\u01b0\u1ee3c.<\/p>\n<\/div>\n\n\n\n\n\n\n
Lo\u1ea1i t\u00edn hi\u1ec7u<\/th>\nNguy\u00ean nh\u00e2n<\/th>\n\u0110\u1ed9 k\u00e9o d\u00e0i<\/th>\nKhi th\u1ef1c thi<\/th>\n<\/tr>\n<\/thead>\n
Ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1<\/td>\nLP c\u1ee7a Broker A \u0111ang \u0111\u1ecbnh gi\u00e1 kh\u00e1c v\u1edbi LP c\u1ee7a Broker B, \u0111\u1ed9c l\u1eadp v\u1edbi th\u1eddi \u0111i\u1ec3m x\u1ea3y ra s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng<\/td>\n200ms \u0111\u1ebfn 2,000ms<\/td>\nKh\u1edbp \u1edf \u0111\u00fang m\u1ee9c gi\u00e1 \u0111\u01b0\u1ee3c b\u00e1o, l\u1ee3i nhu\u1eadn r\u00f2ng \u0111\u00fang nh\u01b0 k\u1ef3 v\u1ecdng<\/td>\n<\/tr>\n
Nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5<\/td>\nFeed c\u1ee7a Broker A nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng nhanh h\u01a1n. Ch\u00eanh l\u1ec7ch nh\u00ecn th\u1ea5y = bi\u1ebfn \u0111\u1ed9ng gi\u00e1, kh\u00f4ng ph\u1ea3i ch\u00eanh l\u1ec7ch LP<\/td>\n30ms \u0111\u1ebfn 150ms<\/td>\nBroker B \u0111\u00e3 c\u1eadp nh\u1eadt v\u00e0o l\u00fac kh\u1edbp l\u1ec7nh, d\u1eabn t\u1edbi l\u1ed7 ho\u1eb7c requote<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u1ea5n \u0111\u1ec1 v\u1ec1 t\u1ef7 l\u1ec7 nhi\u1ec5m nhi\u1ec5u<\/h3>\n

N\u1ebfu kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc, t\u1ef7 l\u1ec7 gi\u1eefa t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u00edn hi\u1ec7u ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 trong m\u1ed9t thi\u1ebft l\u1eadp hai broker \u0111i\u1ec3n h\u00ecnh l\u00e0 60\u201380% nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5. C\u00e1c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng nh\u01b0 tick gi\u00e1, c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u kinh t\u1ebf v\u00e0 thay \u0111\u1ed5i thanh kho\u1ea3n di\u1ec5n ra li\u00ean t\u1ee5c, v\u00e0 m\u1ed7i s\u1ef1 ki\u1ec7n \u0111\u1ec1u t\u1ea1o ra m\u1ed9t ch\u00eanh l\u1ec7ch t\u1ea1m th\u1eddi do \u0111\u1ed9 tr\u1ec5 khi feed c\u1ee7a broker nhanh h\u01a1n c\u1eadp nh\u1eadt tr\u01b0\u1edbc. T\u1ef7 l\u1ec7 n\u00e0y ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o ch\u00eanh l\u1ec7ch t\u1ed1c \u0111\u1ed9 feed gi\u1eefa hai broker: m\u1ed9t c\u1eb7p broker trong \u0111\u00f3 m\u1ed9t feed nhanh h\u01a1n feed c\u00f2n l\u1ea1i 100ms m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n s\u1ebd t\u1ea1o ra nhi\u1ec1u nhi\u1ec5u h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi m\u1ed9t c\u1eb7p ch\u1ec9 ch\u00eanh nhau trong ph\u1ea1m vi 10ms.<\/p>\n

V\u00ec sao t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 t\u1ea1o ra d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i<\/h2>\n

Th\u1ef1c hi\u1ec7n giao d\u1ecbch d\u1ef1a tr\u00ean nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 l\u00e0 kh\u00f4ng c\u00f3 l\u1ee3i nhu\u1eadn \u1edf c\u1ea5p \u0111\u1ed9 t\u1eebng giao d\u1ecbch ri\u00eang l\u1ebb. Nh\u01b0ng v\u1ea5n \u0111\u1ec1 c\u00f2n \u0111i xa h\u01a1n: n\u00f3 t\u1ea1o ra m\u1ed9t m\u1eabu d\u00f2ng l\u1ec7nh c\u1ee5 th\u1ec3 m\u00e0 c\u00e1c broker ph\u00e2n lo\u1ea1i l\u00e0 \u0111\u1ed9c h\u1ea1i v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/p>\n

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M\u1eaaU 1<\/div>\n

L\u1ec7nh xu\u1ea5t hi\u1ec7n \u0111\u00fang l\u00fac gi\u00e1 bi\u1ebfn \u0111\u1ed9ng<\/h3>\n

T\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 xu\u1ea5t hi\u1ec7n ch\u00ednh x\u00e1c khi c\u00f3 m\u1ed9t s\u1ef1 ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng gi\u00e1, v\u00ec \u0111\u00f3 l\u00e0 l\u00fac feed c\u1ee7a broker nhanh \u0111\u00e3 c\u1eadp nh\u1eadt c\u00f2n feed c\u1ee7a broker ch\u1eadm th\u00ec ch\u01b0a. H\u1ec7 th\u1ed1ng hedge arb kh\u00f4ng l\u1ecdc s\u1ebd \u0111\u1eb7t m\u1ed9t t\u1ef7 l\u1ec7 l\u1ec7nh qu\u00e1 l\u1edbn \u0111\u00fang v\u00e0o th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng di chuy\u1ec3n. C\u00e1c h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb r\u1ee7i ro c\u1ee7a broker \u0111\u1ed1i chi\u1ebfu d\u1ea5u th\u1eddi gian l\u1ec7nh v\u1edbi d\u1ea5u th\u1eddi gian bi\u1ebfn \u0111\u1ed9ng gi\u00e1 s\u1ebd nh\u1eadn di\u1ec7n s\u1ef1 t\u1eadp trung n\u00e0y l\u00e0 d\u00f2ng l\u1ec7nh k\u1ef9 thu\u1eadt.<\/p>\n<\/div>\n

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M\u1eaaU 2<\/div>\n

T\u1ef7 l\u1ec7 adverse selection cao<\/h3>\n

C\u00e1c giao d\u1ecbch do \u0111\u1ed9 tr\u1ec5 li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c kh\u1edbp \u1edf m\u1ee9c gi\u00e1 b\u1ea5t l\u1ee3i so v\u1edbi th\u1ecb tr\u01b0\u1eddng ch\u1ec9 v\u00e0i tr\u0103m mili gi\u00e2y sau \u0111\u00f3. H\u1ec7 th\u1ed1ng r\u1ee7i ro c\u1ee7a broker theo d\u00f5i qu\u1ef9 \u0111\u1ea1o gi\u00e1 ng\u1eafn h\u1ea1n sau m\u1ed7i l\u1ea7n kh\u1edbp. T\u1ef7 l\u1ec7 l\u1edbn c\u00e1c l\u1ec7nh kh\u1edbp m\u00e0 ngay sau \u0111\u00f3 gi\u00e1 di chuy\u1ec3n b\u1ea5t l\u1ee3i, d\u1ea5u hi\u1ec7u cho th\u1ea5y l\u1ec7nh \u0111\u1ebfn \u0111\u00fang v\u00e0o l\u00fac th\u1ecb tr\u01b0\u1eddng v\u1eeba \u0111i ng\u01b0\u1ee3c h\u01b0\u1edbng v\u1edbi h\u01b0\u1edbng kh\u1edbp l\u1ec7nh, s\u1ebd khi\u1ebfn t\u00e0i kho\u1ea3n b\u1ecb \u0111\u00e1nh d\u1ea5u \u0111\u1ec3 xem x\u00e9t v\u1ec1 adverse selection.<\/p>\n<\/div>\n

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M\u1eaaU 3<\/div>\n

P&L t\u01b0\u01a1ng quan ngh\u1ecbch v\u1edbi bi\u1ebfn \u0111\u1ed9ng<\/h3>\n

M\u1ed9t h\u1ec7 th\u1ed1ng giao d\u1ecbch tr\u00ean nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 c\u00f3 l\u00e3i trong giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed9ng th\u1ea5p (khi ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 chi\u1ebfm \u01b0u th\u1ebf) v\u00e0 thua l\u1ed7 trong giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed9ng cao (khi nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 t\u0103ng m\u1ea1nh). M\u1ed1i t\u01b0\u01a1ng quan ngh\u1ecbch gi\u1eefa P&L v\u00e0 bi\u1ebfn \u0111\u1ed9ng n\u00e0y, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi giao d\u1ecbch k\u1ef9 thu\u1eadt h\u1ee3p ph\u00e1p, l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u d\u1ec5 nh\u1eadn bi\u1ebft c\u1ee7a d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i.<\/p>\n<\/div>\n

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M\u1eaaU 4<\/div>\n

Ph\u00e2n ph\u1ed1i th\u1eddi gian n\u1eafm gi\u1eef b\u1ea5t \u0111\u1ed1i x\u1ee9ng<\/h3>\n

Khi m\u1ed9t giao d\u1ecbch do \u0111\u1ed9 tr\u1ec5 \u0111\u01b0\u1ee3c kh\u1edbp \u1edf m\u1ee9c gi\u00e1 sai, h\u1ec7 th\u1ed1ng s\u1ebd tho\u00e1t l\u1ec7nh ch\u1ec9 trong v\u00e0i gi\u00e2y. M\u00f4 h\u00ecnh n\u00e0y, l\u1ec7nh c\u00f3 l\u00e3i gi\u1eef l\u00e2u h\u01a1n c\u00f2n l\u1ec7nh l\u1ed7 \u0111\u00f3ng r\u1ea5t nhanh, t\u1ea1o ra ph\u00e2n ph\u1ed1i th\u1eddi gian n\u1eafm gi\u1eef b\u1ea5t \u0111\u1ed1i x\u1ee9ng m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng r\u1ee7i ro \u0111\u00e1nh d\u1ea5u l\u00e0 h\u00e0nh vi khai th\u00e1c k\u1ef9 thu\u1eadt t\u1ef1 \u0111\u1ed9ng.<\/p>\n<\/div>\n<\/div>\n

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H\u1ec7 qu\u1ea3 c\u1ee7a vi\u1ec7c b\u1ecb ph\u00e2n lo\u1ea1i<\/h3>\n

M\u1ed9t khi b\u1ecb ph\u00e2n lo\u1ea1i l\u00e0 d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i, t\u00e0i kho\u1ea3n s\u1ebd nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng kh\u1edbp l\u1ec7nh suy gi\u1ea3m: requote, gi\u00e3n spread ho\u1eb7c b\u1ecb \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9 v\u00e0o s\u1ed5 l\u1ec7nh ri\u00eang c\u1ee7a broker. \u0110i\u1ec1u n\u00e0y c\u0169ng l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c giao d\u1ecbch ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 v\u1ed1n c\u00f3 l\u00e3i.<\/strong> V\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 l\u1ecdc kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ee3i nhu\u1eadn c\u1ee7a t\u1eebng giao d\u1ecbch ri\u00eang l\u1ebb, m\u00e0 c\u00f2n quy\u1ebft \u0111\u1ecbnh li\u1ec7u t\u00e0i kho\u1ea3n c\u00f3 c\u00f2n ph\u00f9 h\u1ee3p \u0111\u1ec3 arbitrage hay kh\u00f4ng.<\/p>\n<\/div>\n

B\u1ed9 l\u1ecdc \u0111\u01a1n gi\u1ea3n: ng\u01b0\u1ee1ng difference-to-open<\/h2>\n
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B\u1ed9 l\u1ecdc \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 m\u1ed9t ng\u01b0\u1ee1ng ch\u00eanh l\u1ec7ch gi\u00e1 t\u1ed1i thi\u1ec3u, difference-to-open, d\u01b0\u1edbi m\u1ee9c \u0111\u00f3 s\u1ebd kh\u00f4ng \u0111\u1eb7t l\u1ec7nh.<\/strong> Ch\u00eanh l\u1ec7ch do \u0111\u1ed9 tr\u1ec5 th\u01b0\u1eddng nh\u1ecf h\u01a1n trung b\u00ecnh so v\u1edbi ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1: nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 c\u1ee7a feed ch\u1ec9 ph\u1ea3n \u00e1nh ch\u00eanh l\u1ec7ch t\u1ed1c \u0111\u1ed9 gi\u1eefa hai feed c\u00f9ng nh\u1eadn m\u1ed9t s\u1ef1 ki\u1ec7n, c\u00f2n ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 ph\u1ea3n \u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u00e1 th\u1eadt \u1edf c\u1ea5p LP, v\u1ed1n c\u00f3 th\u1ec3 l\u1edbn h\u01a1n v\u00e0 k\u00e9o d\u00e0i h\u01a1n. Thi\u1ebft l\u1eadp m\u1ed9t ng\u01b0\u1ee1ng t\u1ed1i thi\u1ec3u s\u1ebd c\u1eaft b\u1ecf nh\u1eefng t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 nh\u1ecf trong khi v\u1eabn gi\u1eef l\u1ea1i c\u00e1c t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1 c\u00f3 bi\u00ean \u0111\u1ed9 l\u1edbn h\u01a1n.<\/p>\n<\/div>\n

Hi\u1ec7u ch\u1ec9nh ng\u01b0\u1ee1ng<\/h3>\n\n\n\n\n\n\n\n\n
B\u01b0\u1edbc<\/th>\nH\u00e0nh \u0111\u1ed9ng<\/th>\n\u0110\u1ea7u ra<\/th>\n<\/tr>\n<\/thead>\n
B\u01b0\u1edbc 1<\/td>\nCh\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 ch\u1ec9 gi\u00e1m s\u00e1t trong 5\u201310 ng\u00e0y giao d\u1ecbch. Ghi l\u1ea1i m\u1ecdi ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u1edbi: timestamp, \u0111\u1ed9 l\u1edbn (pips), th\u1eddi gian t\u1ed3n t\u1ea1i tr\u01b0\u1edbc khi s\u1ee5p \u0111\u1ed5 v\u00e0 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 trong 200ms sau khi ph\u00e1t hi\u1ec7n.<\/td>\nT\u1eadp d\u1eef li\u1ec7u t\u00edn hi\u1ec7u th\u00f4<\/td>\n<\/tr>\n
B\u01b0\u1edbc 2<\/td>\nPh\u00e2n lo\u1ea1i h\u1eadu ki\u1ec3m t\u1eebng t\u00edn hi\u1ec7u: th\u1ef1c s\u1ef1 (duy tr\u00ec h\u01a1n 150ms, feed tham chi\u1ebfu y\u00ean t\u0129nh) ho\u1eb7c do \u0111\u1ed9 tr\u1ec5 (s\u1ee5p \u0111\u1ed5 d\u01b0\u1edbi 100ms, c\u00f3 s\u1ef1 ki\u1ec7n gi\u00e1 c\u00f3 h\u01b0\u1edbng x\u1ea3y ra tr\u01b0\u1edbc \u0111\u00f3).<\/td>\nT\u1eadp d\u1eef li\u1ec7u \u0111\u00e3 ph\u00e2n lo\u1ea1i<\/td>\n<\/tr>\n
B\u01b0\u1edbc 3<\/td>\nV\u1ebd ph\u00e2n ph\u1ed1i \u0111\u1ed9 l\u1edbn c\u1ee7a t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1 so v\u1edbi t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5. T\u00ecm ng\u01b0\u1ee1ng m\u00e0 tr\u00ean \u0111\u00f3 80%+ t\u00edn hi\u1ec7u l\u00e0 ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1.<\/td>\nGi\u00e1 tr\u1ecb ng\u01b0\u1ee1ng t\u1ed1i \u01b0u<\/td>\n<\/tr>\n
B\u01b0\u1edbc 4<\/td>\n\u0110\u1eb7t difference-to-open t\u1ea1i ng\u01b0\u1ee1ng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. Hi\u1ec7u ch\u1ec9nh l\u1ea1i theo qu\u00fd, v\u00ec ng\u01b0\u1ee1ng t\u1ed1i \u01b0u thay \u0111\u1ed5i khi quan h\u1ec7 LP c\u1ee7a broker v\u00e0 ch\u1ebf \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng thay \u0111\u1ed5i.<\/td>\nTham s\u1ed1 b\u1ed9 l\u1ecdc \u0111\u00e3 tri\u1ec3n khai<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ba h\u1ea1n ch\u1ebf mang t\u00ednh c\u1ea5u tr\u00fac<\/h3>\n
\n
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H\u1ea0N CH\u1ebe 1<\/div>\n

C\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn v\u1eabn l\u1ecdt qua<\/h3>\n

Nh\u1eefng giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed9ng cao t\u1ea1o ra c\u00e1c chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 l\u1edbn. M\u1ed9t nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 feed trong m\u1ed9t \u0111\u1ee3t di chuy\u1ec3n 10 pip c\u00f3 th\u1ec3 tr\u00f4ng nh\u01b0 m\u1ed9t ch\u00eanh l\u1ec7ch 4\u20135 pip gi\u1eefa c\u00e1c broker. M\u1ed9t ng\u01b0\u1ee1ng 3 pip s\u1ebd kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y. C\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn l\u00e0 nguy hi\u1ec3m nh\u1ea5t: g\u00e2y ra kho\u1ea3n l\u1ed7 l\u1edbn nh\u1ea5t v\u00e0 m\u1eabu d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i d\u1ec5 th\u1ea5y nh\u1ea5t.<\/p>\n<\/div>\n

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H\u1ea0N CH\u1ebe 2<\/div>\n

Ng\u01b0\u1ee1ng t\u0129nh, th\u1ecb tr\u01b0\u1eddng \u0111\u1ed9ng<\/h3>\n

Ng\u01b0\u1ee1ng t\u1ed1i \u01b0u thay \u0111\u1ed5i theo \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng. Trong giai \u0111o\u1ea1n y\u00ean \u1eafng c\u1ee7a phi\u00ean ch\u00e2u \u00c1, m\u1ed9t ng\u01b0\u1ee1ng 1.5 pip c\u00f3 th\u1ec3 l\u1ecdc \u0111\u1ee7 t\u1ed1t. Nh\u01b0ng v\u00e0o l\u00fac m\u1edf c\u1eeda London, ch\u00ednh ng\u01b0\u1ee1ng \u0111\u00f3 l\u1ea1i cho ph\u00e9p m\u1ed9t t\u1ef7 l\u1ec7 l\u1edbn nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 \u0111i qua. M\u1ed9t ng\u01b0\u1ee1ng c\u1ed1 \u0111\u1ecbnh lu\u00f4n l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i.<\/p>\n<\/div>\n

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H\u1ea0N CH\u1ebe 3<\/div>\n

Kh\u00f4ng c\u00f3 nh\u1eadn th\u1ee9c v\u1ec1 h\u01b0\u1edbng<\/h3>\n

B\u1ed9 l\u1ecdc \u0111\u01a1n gi\u1ea3n x\u1eed l\u00fd m\u1ecdi ch\u00eanh l\u1ec7ch v\u01b0\u1ee3t ng\u01b0\u1ee1ng theo c\u00f9ng m\u1ed9t c\u00e1ch b\u1ea5t k\u1ec3 b\u1ed1i c\u1ea3nh th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u. N\u00f3 kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 3 pip v\u00e0 nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 3 pip \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n gi\u00e1 di\u1ec5n ra nhanh.<\/p>\n<\/div>\n<\/div>\n

B\u1ed9 l\u1ecdc n\u00e2ng cao: ki\u1ebfn tr\u00fac tham chi\u1ebfu fast feed<\/h2>\n
\n

B\u1ed9 l\u1ecdc fast feed \u0111\u01b0a v\u00e0o m\u1ed9t ngu\u1ed3n d\u1eef li\u1ec7u \u0111\u1ed9c l\u1eadp th\u1ee9 ba, nhanh h\u01a1n c\u1ea3 hai broker th\u1ef1c thi, l\u00e0m c\u01a1 ch\u1ebf ph\u00e2n lo\u1ea1i cho t\u1eebng ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/strong> Thay v\u00ec l\u1ecdc ch\u1ec9 theo \u0111\u1ed9 l\u1edbn, h\u1ec7 th\u1ed1ng d\u00f9ng fast feed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n c\u00f3 tr\u00f9ng v\u1edbi m\u1ed9t s\u1ef1 ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng gi\u00e1 tr\u00ean feed tham chi\u1ebfu hay kh\u00f4ng. N\u1ebfu c\u00f3, t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 do \u0111\u1ed9 tr\u1ec5 v\u00e0 b\u1ecb lo\u1ea1i b\u1ecf. N\u1ebfu feed tham chi\u1ebfu y\u00ean t\u0129nh, ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 kh\u00e1c bi\u1ec7t LP th\u1ef1c s\u1ef1 v\u00e0 vi\u1ec7c th\u1ef1c thi s\u1ebd ti\u1ebfp t\u1ee5c.<\/p>\n<\/div>\n

Logic ph\u00e2n lo\u1ea1i t\u1ea1i m\u1ed7i th\u1eddi \u0111i\u1ec3m ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u:<\/p>\n

\n

T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 CH\u00caNH L\u1ec6CH LP TH\u1ef0C S\u1ef0 n\u1ebfu T\u1ea4T C\u1ea2 c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec1u \u0111\u00fang:<\/p>\n

(1) FastFeed.RateOfChange(last 100ms) < MovementThreshold
\n\u2014 Feed tham chi\u1ebfu kh\u00f4ng di chuy\u1ec3n \u0111\u00e1ng k\u1ec3 trong c\u1eeda s\u1ed5 tr\u01b0\u1edbc \u0111\u00f3
\n\u2014 Kh\u00f4ng c\u00f3 s\u1ef1 ki\u1ec7n gi\u00e1 c\u00f3 h\u01b0\u1edbng n\u00e0o \u0111ang lan truy\u1ec1n trong th\u1ecb tr\u01b0\u1eddng<\/p>\n

(2) FastFeed.LastTickAge < StalenessThreshold
\n\u2014 Feed tham chi\u1ebfu \u0111ang \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt t\u00edch c\u1ef1c (kh\u00f4ng b\u1ecb stale hay ng\u1eaft k\u1ebft n\u1ed1i)
\n\u2014 \u0110\u1ea3m b\u1ea3o vi\u1ec7c ki\u1ec3m tra ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp<\/p>\n

(3) Discrepancy.Persistence > MinPersistenceWindow
\n\u2014 Ch\u00eanh l\u1ec7ch \u0111\u00e3 t\u1ed3n t\u1ea1i \u00edt nh\u1ea5t N mili gi\u00e2y
\n\u2014 Ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n; nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 s\u1ee5p \u0111\u1ed5 trong 30\u2013100ms<\/p>\n

T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 DO \u0110\u1ed8 TR\u1ec4 n\u1ebfu B\u1ea4T K\u1ef2 \u0111i\u1ec1u ki\u1ec7n n\u00e0o th\u1ea5t b\u1ea1i \u2192 l\u1ec7nh b\u1ecb lo\u1ea1i b\u1ecf.<\/p>\n<\/div>\n

\u0110i\u1ec1u ki\u1ec7n 1: T\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i tr\u00ean fast feed<\/h3>\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ph\u00e2n lo\u1ea1i quan tr\u1ecdng nh\u1ea5t. Feed tham chi\u1ebfu nhanh h\u01a1n c\u1ea3 hai broker th\u1ef1c thi, n\u00ean n\u00f3 nh\u1eadn c\u00e1c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u tr\u01b0\u1edbc khi b\u00e1o gi\u00e1 c\u1ee7a hai broker kia c\u1eadp nh\u1eadt. N\u1ebfu feed tham chi\u1ebfu cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng gi\u00e1 \u0111\u00e1ng k\u1ec3 trong c\u1eeda s\u1ed5 ngay tr\u01b0\u1edbc khi ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u, bi\u1ebfn \u0111\u1ed9ng \u0111\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng l\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a ch\u00eanh l\u1ec7ch nh\u00ecn th\u1ea5y: feed c\u1ee7a m\u1ed9t broker th\u1ef1c thi \u0111\u00e3 c\u1eadp nh\u1eadt theo s\u1ef1 ki\u1ec7n, c\u00f2n broker kia th\u00ec ch\u01b0a.<\/p>\n\n\n\n\n\n\n\n
Tham s\u1ed1<\/th>\nGi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/th>\nGhi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n
MovementThreshold<\/td>\n0.5\u20131.5 pip m\u1ed7i 100ms cho c\u00e1c c\u1eb7p ch\u00ednh; 1.5\u20133.0 pip cho c\u00e1c c\u1eb7p bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh<\/td>\n\u0110\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1eb1ng c\u00e1ch \u0111o m\u1ee9c di chuy\u1ec3n pip \u0111i\u1ec3n h\u00ecnh m\u1ed7i 100ms trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng so v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u00f3 s\u1ef1 ki\u1ec7n cho t\u1eebng c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n
C\u1eeda s\u1ed5 lookback<\/td>\n50\u2013200ms<\/td>\nPh\u1ea3i b\u1eaft \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c che l\u1ea5p c\u00e1c ch\u00eanh l\u1ec7ch th\u1ef1c s\u1ef1 xu\u1ea5t hi\u1ec7n sau m\u1ed9t s\u1ef1 ki\u1ec7n gi\u00e1 c\u00f3 \u0111\u1ed9 tr\u1ec5. Hi\u1ec7u ch\u1ec9nh d\u1ef1a tr\u00ean ch\u00eanh l\u1ec7ch \u0111\u1ed9 tr\u1ec5 feed \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c.<\/td>\n<\/tr>\n
Ng\u01b0\u1ee1ng stale<\/td>\n500ms\u20132,000ms<\/td>\nN\u1ebfu feed tham chi\u1ebfu kh\u00f4ng c\u1eadp nh\u1eadt trong kho\u1ea3ng n\u00e0y, c\u00f3 th\u1ec3 n\u00f3 \u0111ang b\u1ecb treo. X\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u trong th\u1eddi gian feed stale m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng: lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1eef l\u1ea1i cho \u0111\u1ebfn khi feed ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u00ec sao b\u1ed9 l\u1ecdc fast feed v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 m\u1eb7t ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n
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\n
\u01afU \u0110I\u1ec2M 1<\/div>\n

B\u1eaft \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn<\/h3>\n

M\u1ed9t nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 5 pip trong m\u1ed9t s\u1ef1 ki\u1ec7n gi\u00e1 l\u1edbn s\u1ebd \u0111\u01b0\u1ee3c b\u1ed9 l\u1ecdc fast feed ph\u00e2n lo\u1ea1i l\u00e0 do \u0111\u1ed9 tr\u1ec5, b\u1ea5t k\u1ec3 \u0111\u1ed9 l\u1edbn c\u1ee7a n\u00f3. Ng\u01b0\u1ee1ng \u0111\u01a1n gi\u1ea3n s\u1ebd cho qua n\u1ebfu \u0111\u01b0\u1ee3c \u0111\u1eb7t d\u01b0\u1edbi 5 pip. B\u1ed9 l\u1ecdc fast feed ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i th\u1ecb tr\u01b0\u1eddng, kh\u00f4ng ph\u1ea3i k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00eanh l\u1ec7ch.<\/p>\n<\/div>\n

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\u01afU \u0110I\u1ec2M 2<\/div>\n

T\u1ef1 th\u00edch \u1ee9ng \u0111\u1ed9ng v\u1edbi bi\u1ebfn \u0111\u1ed9ng<\/h3>\n

Trong giai \u0111o\u1ea1n y\u00ean \u1eafng, feed tham chi\u1ebfu cho th\u1ea5y t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i th\u1ea5p v\u00e0 b\u1ed9 ph\u00e2n lo\u1ea1i hi\u1ebfm khi k\u00edch ho\u1ea1t. Trong giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed9ng, feed tham chi\u1ebfu ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh v\u00e0 li\u00ean t\u1ee5c ph\u00e2n lo\u1ea1i c\u00e1c nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5. B\u1ed9 l\u1ecdc t\u1ef1 \u0111\u1ed9ng si\u1ebft ch\u1eb7t trong c\u00e1c giai \u0111o\u1ea1n r\u1ee7i ro cao m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng.<\/p>\n<\/div>\n

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\u01afU \u0110I\u1ec2M 3<\/div>\n

Gi\u1eef l\u1ea1i c\u00e1c t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1 nh\u1ecf<\/h3>\n

M\u1ed9t ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 ch\u1ec9 0.8 pip m\u00e0 ng\u01b0\u1ee1ng \u0111\u01a1n gi\u1ea3n s\u1ebd ch\u1eb7n l\u1ea1i v\u1eabn c\u00f3 th\u1ec3 \u0111i qua b\u1ed9 l\u1ecdc fast feed n\u1ebfu feed tham chi\u1ebfu y\u00ean t\u0129nh. B\u1ed9 l\u1ecdc n\u00e0y kh\u00f4ng hy sinh c\u00e1c t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1 nh\u1ecf ch\u1ec9 \u0111\u1ec3 tr\u00e1nh c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ed9 tr\u1ec5 nh\u1ecf; m\u1ed7i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i \u0111\u1ed9c l\u1eadp theo b\u1ed1i c\u1ea3nh th\u1ecb tr\u01b0\u1eddng.<\/p>\n<\/div>\n

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\u01afU \u0110I\u1ec2M 4<\/div>\n

Lo\u1ea1i b\u1ecf \u0111\u1ed9 tr\u1ec5 g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n<\/h3>\n

Trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh t\u1ed1t, b\u1ed9 l\u1ecdc fast feed gi\u1ea3m m\u1ee9c nhi\u1ec5m nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 t\u1eeb 60\u201380% t\u00edn hi\u1ec7u ch\u01b0a l\u1ecdc xu\u1ed1ng d\u01b0\u1edbi 5%. Ph\u1ea7n nhi\u1ec5m nhi\u1ec5u c\u00f2n l\u1ea1i l\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean, khi m\u1ed9t s\u1ef1 ki\u1ec7n gi\u00e1 \u0111\u1ee7 ch\u1eadm \u0111\u1ec3 kh\u00f4ng k\u00edch ho\u1ea1t ng\u01b0\u1ee1ng t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i, nh\u01b0ng v\u1eabn \u0111\u1ee7 nhanh \u0111\u1ec3 t\u1ea1o ra ch\u00eanh l\u1ec7ch gi\u1eefa c\u00e1c feed.<\/p>\n<\/div>\n<\/div>\n

So s\u00e1nh c\u00e1c b\u1ed9 l\u1ecdc<\/h2>\n\n\n\n\n\n\n\n\n
B\u1ed9 l\u1ecdc<\/th>\nLo\u1ea1i b\u1ecf \u0111\u1ed9 tr\u1ec5<\/th>\nGi\u1eef l\u1ea1i t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1<\/th>\n\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/th>\nPh\u00f9 h\u1ee3p nh\u1ea5t cho<\/th>\n<\/tr>\n<\/thead>\n
Kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc<\/td>\n0% \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111i qua<\/td>\n100%<\/td>\nKh\u00f4ng c\u00f3<\/td>\nKh\u00f4ng kh\u1ea3 thi \u2014 ch\u1eafc ch\u1eafn t\u1ea1o ra d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i<\/td>\n<\/tr>\n
Ch\u1ec9 difference-to-open<\/td>\n40\u201360%<\/td>\n80\u201390%<\/td>\nTh\u1ea5p<\/td>\nThi\u1ebft l\u1eadp ban \u0111\u1ea7u, t\u1ed1c \u0111\u1ed9 feed gi\u1eefa c\u00e1c broker kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng<\/td>\n<\/tr>\n
Difference-to-open + \u0111\u1ed9 b\u1ec1n<\/td>\n60\u201375%<\/td>\n75\u201385%<\/td>\nTh\u1ea5p<\/td>\nN\u1ec1n t\u1ea3ng c\u1ea3i ti\u1ebfn h\u01a1n, nh\u01b0ng v\u1eabn b\u1ecf s\u00f3t c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn<\/td>\n<\/tr>\n
B\u1ed9 l\u1ecdc fast feed (\u0111\u1ea7y \u0111\u1ee7)<\/td>\n90\u201397%<\/td>\n85\u201395%<\/td>\nCao<\/td>\nArbitrage tri\u1ec3n khai th\u1ef1c t\u1ebf, m\u00f4i tr\u01b0\u1eddng broker kh\u1eafc nghi\u1ec7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Tr\u00ecnh t\u1ef1 hi\u1ec7u ch\u1ec9nh cho b\u1ed9 l\u1ecdc fast feed<\/h3>\n
    \n
  • Giai \u0111o\u1ea1n 1:<\/strong> Ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 ghi log trong 5\u201310 ng\u00e0y. Ghi l\u1ea1i m\u1ecdi ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u1edbi \u0111\u1ea7y \u0111\u1ee7 b\u1ed1i c\u1ea3nh: to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i feed, \u0111\u1ed9 l\u1edbn ch\u00eanh l\u1ec7ch, th\u1eddi gian t\u1ed3n t\u1ea1i v\u00e0 t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i c\u1ee7a feed tham chi\u1ebfu trong c\u00e1c c\u1eeda s\u1ed5 100ms v\u00e0 200ms tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n
  • Giai \u0111o\u1ea1n 2:<\/strong> Ph\u00e2n lo\u1ea1i h\u1eadu ki\u1ec3m t\u1eebng t\u00edn hi\u1ec7u \u0111\u00e3 ghi l\u00e0 th\u1ef1c s\u1ef1 (duy tr\u00ec h\u01a1n 150ms, feed tham chi\u1ebfu y\u00ean t\u0129nh) ho\u1eb7c do \u0111\u1ed9 tr\u1ec5 (s\u1ee5p \u0111\u1ed5 d\u01b0\u1edbi 100ms, feed tham chi\u1ebfu \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ea1i th\u1eddi \u0111i\u1ec3m ph\u00e1t hi\u1ec7n).<\/li>\n
  • Giai \u0111o\u1ea1n 3:<\/strong> Th\u1eed c\u00e1c t\u1ed5 h\u1ee3p kh\u00e1c nhau c\u1ee7a MovementThreshold, c\u1eeda s\u1ed5 lookback v\u00e0 MinPersistenceWindow tr\u00ean t\u1eadp d\u1eef li\u1ec7u \u0111\u00e3 ph\u00e2n lo\u1ea1i. M\u1ee5c ti\u00eau: gi\u1eef l\u1ea1i t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1 tr\u00ean 85%, t\u1ef7 l\u1ec7 l\u1ecdt t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 d\u01b0\u1edbi 8%.<\/li>\n
  • Giai \u0111o\u1ea1n 4:<\/strong> Tri\u1ec3n khai v\u1edbi c\u00e1c tham s\u1ed1 \u0111\u00e3 t\u1ed1i \u01b0u \u1edf k\u00edch th\u01b0\u1edbc lot t\u1ed1i thi\u1ec3u. Theo d\u00f5i m\u1ee9c \u0111\u00f3ng g\u00f3p P&L theo t\u1eebng lo\u1ea1i t\u00edn hi\u1ec7u trong 10 ng\u00e0y giao d\u1ecbch \u0111\u1ea7u ti\u00ean. Hi\u1ec7u ch\u1ec9nh l\u1ea1i theo qu\u00fd ho\u1eb7c sau c\u00e1c thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 c\u1ee7a ch\u1ebf \u0111\u1ed9 th\u1ecb tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<\/div>\n

    C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
    \n
    S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 v\u00e0 ch\u00eanh l\u1ec7ch do \u0111\u1ed9 tr\u1ec5 l\u00e0 g\u00ec?<\/div>\n
    \n

    Ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i v\u00ec c\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n c\u1ee7a hai broker \u0111\u1ecbnh gi\u00e1 c\u00f9ng m\u1ed9t c\u00f4ng c\u1ee5 theo c\u00e1ch kh\u00e1c nhau, t\u1ee9c m\u1ed9t kh\u00e1c bi\u1ec7t mang t\u00ednh c\u1ea5u tr\u00fac trong c\u00e1ch m\u1ed7i LP m\u00f4 h\u00ecnh h\u00f3a th\u1ecb tr\u01b0\u1eddng ho\u1eb7c qu\u1ea3n l\u00fd t\u1ed3n kho. Ch\u00eanh l\u1ec7ch do \u0111\u1ed9 tr\u1ec5 t\u1ed3n t\u1ea1i v\u00ec feed c\u1ee7a m\u1ed9t broker nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng nhanh h\u01a1n broker c\u00f2n l\u1ea1i. Ch\u00eanh l\u1ec7ch th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 giao d\u1ecbch v\u00e0 k\u00e9o d\u00e0i t\u1eeb 200ms \u0111\u1ebfn 2,000ms. Nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 s\u1ee5p \u0111\u1ed5 trong 30\u2013150ms khi feed ch\u1eadm h\u01a1n b\u1eaft k\u1ecbp, th\u01b0\u1eddng l\u00e0 tr\u01b0\u1edbc khi l\u1ec7nh c\u00f3 th\u1ec3 t\u1edbi broker ch\u1eadm h\u01a1n.<\/p>\n<\/div>\n

    Difference-to-open l\u00e0 g\u00ec v\u00e0 n\u00f3 gi\u00fap nh\u01b0 th\u1ebf n\u00e0o?<\/div>\n
    \n

    Difference-to-open l\u00e0 m\u1ee9c ch\u00eanh l\u1ec7ch gi\u00e1 t\u1ed1i thi\u1ec3u c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh, t\u00ednh b\u1eb1ng pip, ph\u1ea3i t\u1ed3n t\u1ea1i gi\u1eefa hai b\u00e1o gi\u00e1 broker tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 l\u1ec7nh n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1eb7t. N\u00f3 l\u1ecdc t\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng xu h\u01b0\u1edbng c\u00e1c nhi\u1ec5u do \u0111\u1ed9 tr\u1ec5 feed th\u01b0\u1eddng nh\u1ecf h\u01a1n trung b\u00ecnh so v\u1edbi ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1. N\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ed9 tr\u1ec5 nh\u1ecf, nh\u01b0ng kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn trong giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed9ng cao, khi m\u1ed9t bi\u1ebfn \u0111\u1ed9ng gi\u00e1 nhanh t\u1ea1o ra m\u1ed9t ch\u00eanh l\u1ec7ch nh\u00ecn th\u1ea5y l\u1edbn gi\u1eefa c\u00e1c feed c\u00f3 t\u1ed1c \u0111\u1ed9 c\u1eadp nh\u1eadt kh\u00e1c nhau.<\/p>\n<\/div>\n

    B\u1ed9 l\u1ecdc fast feed l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/div>\n
    \n

    B\u1ed9 l\u1ecdc fast feed s\u1eed d\u1ee5ng m\u1ed9t feed gi\u00e1 tham chi\u1ebfu th\u1ee9 ba, nhanh h\u01a1n c\u1ea3 hai broker th\u1ef1c thi, \u0111\u1ec3 ph\u00e2n lo\u1ea1i t\u1eebng ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u01b0\u1edbc khi \u0111\u1eb7t l\u1ec7nh. N\u1ebfu feed tham chi\u1ebfu cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng gi\u00e1 \u0111\u00e1ng k\u1ec3 trong c\u1eeda s\u1ed5 tr\u01b0\u1edbc khi ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u, ch\u00eanh l\u1ec7ch \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 do \u0111\u1ed9 tr\u1ec5 v\u00e0 b\u1ecb lo\u1ea1i b\u1ecf. N\u1ebfu feed tham chi\u1ebfu y\u00ean t\u0129nh, ch\u00eanh l\u1ec7ch \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 m\u1ed9t kh\u00e1c bi\u1ec7t LP th\u1ef1c s\u1ef1 ti\u1ec1m n\u0103ng v\u00e0 vi\u1ec7c th\u1ef1c thi s\u1ebd ti\u1ebfp t\u1ee5c. C\u00e1ch n\u00e0y ph\u00e2n lo\u1ea1i t\u00edn hi\u1ec7u d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i th\u1ecb tr\u01b0\u1eddng ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u1ed9 l\u1edbn, nh\u1edd \u0111\u00f3 b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9 tr\u1ec5 l\u1edbn m\u00e0 ng\u01b0\u1ee1ng \u0111\u01a1n gi\u1ea3n b\u1ecf s\u00f3t.<\/p>\n<\/div>\n

    V\u00ec sao arbitrage hedge kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc l\u1ea1i t\u1ea1o ra d\u00f2ng l\u1ec7nh \u0111\u1ed9c h\u1ea1i?<\/div>\n
    \n

    T\u00edn hi\u1ec7u do \u0111\u1ed9 tr\u1ec5 t\u1ea1o ra l\u1ec7nh \u0111\u00fang v\u00e0o th\u1eddi \u0111i\u1ec3m c\u00e1c s\u1ef1 ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng gi\u00e1 x\u1ea3y ra. H\u1ec7 th\u1ed1ng r\u1ee7i ro c\u1ee7a broker ph\u00e1t hi\u1ec7n s\u1ef1 t\u1eadp trung n\u00e0y nh\u01b0 m\u1ed9t m\u1eabu d\u00f2ng l\u1ec7nh k\u1ef9 thu\u1eadt. Ngo\u00e0i ra, c\u00e1c giao d\u1ecbch do \u0111\u1ed9 tr\u1ec5 li\u00ean t\u1ee5c t\u1ea1o ra c\u00e1c l\u1ea7n kh\u1edbp b\u1ea5t l\u1ee3i v\u00e0 tho\u00e1t l\u1ec7nh nhanh v\u1edbi kho\u1ea3n l\u1ed7 nh\u1ecf, t\u1ea1o n\u00ean ph\u00e2n ph\u1ed1i th\u1eddi gian n\u1eafm gi\u1eef v\u00e0 P&L b\u1ea5t \u0111\u1ed1i x\u1ee9ng, t\u1eeb \u0111\u00f3 c\u00e0ng khi\u1ebfn t\u00e0i kho\u1ea3n b\u1ecb nh\u1eadn di\u1ec7n l\u00e0 khai th\u00e1c k\u1ef9 thu\u1eadt. M\u1ed9t khi b\u1ecb ph\u00e2n lo\u1ea1i, t\u00e0i kho\u1ea3n s\u1ebd nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c thi suy gi\u1ea3m, \u1ea3nh h\u01b0\u1edfng c\u1ea3 t\u1edbi c\u00e1c giao d\u1ecbch ch\u00eanh l\u1ec7ch LP th\u1ef1c s\u1ef1 c\u00f3 l\u1ee3i nhu\u1eadn.<\/p>\n<\/div>\n

    C\u1ea7n nh\u1eefng g\u00ec \u0111\u1ec3 d\u00f9ng b\u1ed9 l\u1ecdc fast feed?<\/div>\n
    \n

    M\u1ed9t ngu\u1ed3n d\u1eef li\u1ec7u gi\u00e1 th\u1ee9 ba \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 nhanh h\u01a1n c\u1ea3 hai broker th\u1ef1c thi trong vi\u1ec7c nh\u1eadn c\u00e1c s\u1ef1 ki\u1ec7n th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u. Ngu\u1ed3n \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t nh\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng chuy\u00ean d\u1ee5ng, m\u1ed9t d\u1ecbch v\u1ee5 feed gi\u00e1 colocated ho\u1eb7c m\u1ed9t t\u00e0i kho\u1ea3n broker th\u1ee9 ba ch\u1ec9 d\u00f9ng l\u00e0m feed tham chi\u1ebfu, kh\u00f4ng d\u00f9ng \u0111\u1ec3 \u0111\u1eb7t l\u1ec7nh. Feed tham chi\u1ebfu ch\u1ea1y tr\u00ean m\u1ed9t lu\u1ed3ng gi\u00e1m s\u00e1t ri\u00eang v\u1edbi timestamp c\u1ea5p ph\u1ea7n c\u1ee9ng ngay khi nh\u1eadn d\u1eef li\u1ec7u t\u1eeb socket. Kh\u00f4ng bao gi\u1edd \u0111\u1eb7t l\u1ec7nh qua feed tham chi\u1ebfu; n\u00f3 ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u1ea7u v\u00e0o \u0111\u1ec3 ph\u00e2n lo\u1ea1i.<\/p>\n<\/div>\n

    C\u00e1c tham s\u1ed1 b\u1ed9 l\u1ecdc c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh l\u1ea1i bao l\u00e2u m\u1ed9t l\u1ea7n?<\/div>\n
    \n

    T\u1ed1i thi\u1ec3u l\u00e0 theo qu\u00fd. C\u00e1c tham s\u1ed1 t\u1ed1i \u01b0u thay \u0111\u1ed5i khi quan h\u1ec7 LP c\u1ee7a broker ph\u00e1t tri\u1ec3n, h\u1ea1 t\u1ea7ng feed thay \u0111\u1ed5i v\u00e0 ch\u1ebf \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng d\u1ecbch chuy\u1ec3n. C\u1ea7n hi\u1ec7u ch\u1ec9nh l\u1ea1i ngay khi: broker thay \u0111\u1ed5i LP ho\u1eb7c c\u00f4ng c\u1ee5 \u0111\u1ecbnh gi\u00e1; thay \u0111\u1ed5i \u1edf nh\u00e0 cung c\u1ea5p VPS ho\u1eb7c tuy\u1ebfn m\u1ea1ng \u1ea3nh h\u01b0\u1edfng t\u1edbi \u0111\u1ed9 tr\u1ec5 feed; ho\u1eb7c c\u00f3 thay \u0111\u1ed5i k\u00e9o d\u00e0i v\u1ec1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a c\u00f4ng c\u1ee5 giao d\u1ecbch. Nh\u1eadt k\u00fd \u0111\u00f3ng g\u00f3p theo t\u1eebng t\u00edn hi\u1ec7u c\u1ee7a SharpTrader cung c\u1ea5p d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng c\u1ea7n m\u1ed9t ch\u1ebf \u0111\u1ed9 ngo\u1ea1i tuy\u1ebfn ri\u00eang.<\/p>\n<\/div>\n<\/div>\n

    \n

    SharpTrader Pro \u2014 Arbitrage Hedge v\u1edbi b\u1ed9 l\u1ecdc Fast Feed<\/h2>\n

    Difference-to-open \u00b7 B\u1ed9 l\u1ecdc feed tham chi\u1ebfu nhanh \u00b7 Ghi log \u0111\u00f3ng g\u00f3p theo t\u1eebng t\u00edn hi\u1ec7u \u00b7 T\u01b0\u01a1ng th\u00edch FIX API \u00b7 25 n\u0103m ph\u00e1t tri\u1ec3n arbitrage<\/p>\n

    Kh\u00e1m ph\u00e1 SharpTrader Pro \u2192<\/a>
    \n    Latency Arbitrage \u2192<\/a><\/p>\n<\/div>\n<\/div>\n