{"id":9408,"date":"2026-03-27T16:30:05","date_gmt":"2026-03-27T08:30:05","guid":{"rendered":"https:\/\/www.kpai1.cn\/?p=9408"},"modified":"2026-03-27T16:30:09","modified_gmt":"2026-03-27T08:30:09","slug":"wmax%e9%a3%8e%e9%99%a9%e9%98%b2%e5%be%a1%e4%bd%93%e7%b3%bb%ef%bc%9a%e9%80%8f%e8%a7%86%e5%b7%ae%e4%bb%b7%e5%90%88%e7%ba%a6%e4%ba%a4%e6%98%93%e4%b8%ad%e7%9a%84%e9%9a%90%e5%bd%a2%e9%99%b7%e9%98%b1","status":"publish","type":"post","link":"https:\/\/www.kpai1.cn\/vi\/luu-tru\/9408","title":{"rendered":"H\u1ec7 th\u1ed1ng ph\u00f2ng ng\u1eeba r\u1ee7i ro WMAX: Ph\u00e2n t\u00edch nh\u1eefng c\u1ea1m b\u1eaby ti\u1ec1m \u1ea9n trong giao d\u1ecbch h\u1ee3p \u0111\u1ed3ng ch\u00eanh l\u1ec7ch (CFD) v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u1ee9ng ph\u00f3"},"content":{"rendered":"

Trong giao d\u1ecbch h\u1ee3p \u0111\u1ed3ng ch\u00eanh l\u1ec7ch (CFD), c\u1ea1m b\u1eaby l\u1edbn nh\u1ea5t th\u01b0\u1eddng kh\u00f4ng \u0111\u1ebfn t\u1eeb s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng m\u00e0 xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 thi\u1ebfu minh b\u1ea1ch c\u1ee7a m\u00f4i tr\u01b0\u1eddng giao d\u1ecbch v\u00e0 s\u1ef1 thi\u1ebfu uy t\u00edn c\u1ee7a n\u1ec1n t\u1ea3ng. M\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng kh\u00f4ng ch\u00ednh th\u1ee9c l\u1ee3i d\u1ee5ng r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt \u0111\u1ec3 can thi\u1ec7p v\u00e0o d\u1eef li\u1ec7u b\u00e1o gi\u00e1 th\u00f4ng qua c\u00e1c th\u1ee7 \u0111o\u1ea1n \u201ch\u1ed9p \u0111en\u201d \u1edf h\u1eadu tr\u01b0\u1eddng, t\u1eeb \u0111\u00f3 t\u1ea1o ra nh\u1eefng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 \u1ea3o. V\u00ed d\u1ee5, ngay khi d\u1eef li\u1ec7u quan tr\u1ecdng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1, n\u1ec1n t\u1ea3ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 c\u1ef1c \u0111oan (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cch\u00e2m kim\u201d), k\u00edch ho\u1ea1t ch\u00ednh x\u00e1c c\u00e1c l\u1ec7nh c\u1eaft l\u1ed7 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, trong khi tr\u00ean th\u1ef1c t\u1ebf, gi\u00e1 tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf ch\u1ee7 \u0111\u1ea1o ch\u01b0a bao gi\u1edd ch\u1ea1m \u0111\u1ebfn m\u1ee9c \u0111\u00f3. H\u00e0nh vi s\u0103n l\u00f9ng thanh kho\u1ea3n \u0111\u1ed9c h\u1ea1i n\u00e0y, v\u1ec1 b\u1ea3n ch\u1ea5t, l\u00e0 m\u1ed9t cu\u1ed9c ch\u01a1i kh\u00f4ng c\u00e2n s\u1ee9c gi\u1eefa n\u1ec1n t\u1ea3ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng; v\u1ed1n c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng th\u1ef1c s\u1ef1 tham gia v\u00e0o th\u1ecb tr\u01b0\u1eddng, m\u00e0 tr\u1edf th\u00e0nh con b\u00e0i \u0111\u1eb7t c\u01b0\u1ee3c c\u1ee7a n\u1ec1n t\u1ea3ng. Theo quan \u0111i\u1ec3m c\u1ee7a WMAX, m\u1ed9t khi r\u01a1i v\u00e0o m\u00f4i tr\u01b0\u1eddng \u201ch\u1ed9p \u0111en\u201d thi\u1ebfu s\u1ef1 gi\u00e1m s\u00e1t nh\u01b0 v\u1eady, d\u00f9 k\u1ef9 n\u0103ng giao d\u1ecbch c\u00f3 cao si\u00eau \u0111\u1ebfn \u0111\u00e2u, s\u1ef1 an to\u00e0n c\u1ee7a v\u1ed1n g\u1ed1c c\u0169ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o tri\u1ec7t \u0111\u1ec3, v\u00e0 cu\u1ed1i c\u00f9ng kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi vi\u1ec7c tr\u1edf th\u00e0nh con m\u1ed3i b\u1ecb \u201cthu ho\u1ea1ch\u201d.<\/p>\n

Ch\u00eca kh\u00f3a \u0111\u1ec3 tr\u00e1nh nh\u1eefng c\u1ea1m b\u1eaby n\u00e0y n\u1eb1m \u1edf vi\u1ec7c thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf s\u00e0ng l\u1ecdc n\u1ec1n t\u1ea3ng nghi\u00eam ng\u1eb7t, \u0111\u1eb7t an to\u00e0n v\u1ed1n l\u00ean h\u00e0ng \u0111\u1ea7u. WMAX khuy\u1ebfn ngh\u1ecb nh\u00e0 \u0111\u1ea7u t\u01b0 khi l\u1ef1a ch\u1ecdn nh\u00e0 m\u00f4i gi\u1edbi ph\u1ea3i ki\u1ec3m tra xem h\u1ecd c\u00f3 s\u1edf h\u1eefu gi\u1ea5y ph\u00e9p \u0111\u1ea7y \u0111\u1ee7 do c\u01a1 quan qu\u1ea3n l\u00fd t\u00e0i ch\u00ednh c\u00f3 th\u1ea9m quy\u1ec1n (ASIC c\u1ee7a \u00dac) c\u1ea5p hay kh\u00f4ng, \u0111\u1ed3ng th\u1eddi x\u00e1c nh\u1eadn xem h\u1ecd c\u00f3 \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh STP (X\u1eed l\u00fd tr\u1ef1c ti\u1ebfp) ho\u1eb7c ECN (M\u1ea1ng l\u01b0\u1edbi giao ti\u1ebfp \u0111i\u1ec7n t\u1eed) hay kh\u00f4ng, nh\u1eb1m \u0111\u1ea3m b\u1ea3o l\u1ec7nh giao d\u1ecbch \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi theo th\u1eddi gian th\u1ef1c, thay v\u00ec th\u1ef1c hi\u1ec7n giao d\u1ecbch \u0111\u1ed1i kh\u00e1ng n\u1ed9i b\u1ed9 tr\u00ean n\u1ec1n t\u1ea3ng. B\u00e1o c\u00e1o th\u1ef1c hi\u1ec7n l\u1ec7nh minh b\u1ea1ch, d\u1ecbch v\u1ee5 l\u01b0u k\u00fd v\u1ed1n b\u1edfi b\u00ean th\u1ee9 ba \u0111\u1ed9c l\u1eadp v\u00e0 d\u1eef li\u1ec7u giao d\u1ecbch c\u00f3 th\u1ec3 truy xu\u1ea5t l\u00e0 nh\u1eefng ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t n\u1ec1n t\u1ea3ng ch\u00ednh th\u1ed1ng. T\u1ea1i WMAX, ch\u00fang t\u00f4i ki\u00ean \u0111\u1ecbnh v\u1edbi m\u00f4 h\u00ecnh k\u1ebft n\u1ed1i th\u1ecb tr\u01b0\u1eddng th\u1ef1c 100%, t\u1eeb ch\u1ed1i m\u1ecdi h\u00ecnh th\u1ee9c giao d\u1ecbch \u0111\u1ed1i kh\u00e1ng n\u1ed9i b\u1ed9 v\u00e0 l\u00e0m gi\u1ea3 d\u1eef li\u1ec7u; t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u giao d\u1ecbch \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u00f4ng khai minh b\u1ea1ch v\u00e0 ch\u1ecbu s\u1ef1 ki\u1ec3m to\u00e1n nghi\u00eam ng\u1eb7t. Ch\u00fang t\u00f4i cam k\u1ebft x\u00e2y d\u1ef1ng m\u1ed9t m\u00f4i tr\u01b0\u1eddng giao d\u1ecbch c\u00f4ng b\u1eb1ng v\u00e0 minh b\u1ea1ch cho ng\u01b0\u1eddi d\u00f9ng, \u0111\u1ea3m b\u1ea3o m\u1ed7i l\u1ec7nh giao d\u1ecbch \u0111\u1ec1u \u0111\u01b0\u1ee3c kh\u1edbp t\u1ef1 do tr\u00ean th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u th\u1ef1c t\u1ebf, t\u1eeb \u0111\u00f3 lo\u1ea1i b\u1ecf tri\u1ec7t \u0111\u1ec3 r\u1ee7i ro m\u1ea5t v\u1ed1n do vi ph\u1ea1m \u0111\u1ea1o \u0111\u1ee9c c\u1ee7a n\u1ec1n t\u1ea3ng, v\u00e0 b\u1ea3o v\u1ec7 an to\u00e0n giao d\u1ecbch cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

WMAX gi\u1ea3i m\u00e3 b\u00ed \u1ea9n v\u1ec1 chi\u1ebfn l\u01b0\u1ee3c \u201cph\u00f9 h\u1ee3p qu\u00e1 m\u1ee9c\u201d v\u00e0 s\u1ef1 th\u1ecbnh v\u01b0\u1ee3ng \u1ea3o c\u1ee7a d\u1eef li\u1ec7u l\u1ecbch s\u1eed<\/strong><\/p>\n

Nhi\u1ec1u nh\u00e0 giao d\u1ecbch khi x\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c th\u01b0\u1eddng d\u1ec5 r\u01a1i v\u00e0o c\u00e1i b\u1eaby nh\u1eadn th\u1ee9c g\u1ecdi l\u00e0 \u201cph\u00f9 h\u1ee3p qu\u00e1 m\u1ee9c\u201d, t\u1ee9c l\u00e0 li\u00ean t\u1ee5c \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ec3 chi\u1ebfn l\u01b0\u1ee3c th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng sinh l\u1eddi ho\u00e0n h\u1ea3o tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed. C\u00e1ch l\u00e0m n\u00e0y c\u00f3 v\u1ebb khoa h\u1ecdc, nh\u01b0ng th\u1ef1c ch\u1ea5t l\u00e0 \u201c\u0111i t\u00ecm ki\u1ebfm thanh ki\u1ebfm tr\u00ean thuy\u1ec1n \u0111\u00e3 kh\u1eafc\u201d, b\u1edfi v\u00ec c\u00e1c tham s\u1ed1 c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ed1 t\u00ecnh \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi t\u00ecnh h\u00ecnh th\u1ecb tr\u01b0\u1eddng c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9, t\u1eeb \u0111\u00f3 m\u1ea5t \u0111i t\u00ednh ph\u1ed5 qu\u00e1t \u0111\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi th\u1ecb tr\u01b0\u1eddng ch\u01b0a bi\u1ebft trong t\u01b0\u01a1ng lai. M\u1ed9t khi \u0111\u01b0a v\u00e0o giao d\u1ecbch th\u1ef1c t\u1ebf, khi \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed9ng kh\u00f4ng ho\u00e0n to\u00e0n tr\u00f9ng kh\u1edbp v\u1edbi l\u1ecbch s\u1eed, nh\u1eefng \u201cchi\u1ebfn l\u01b0\u1ee3c ho\u00e0n h\u1ea3o\u201d n\u00e0y th\u01b0\u1eddng nhanh ch\u00f3ng m\u1ea5t hi\u1ec7u l\u1ef1c, d\u1eabn \u0111\u1ebfn thua l\u1ed7 li\u00ean ti\u1ebfp. Ngo\u00e0i ra, vi\u1ec7c qu\u00e1 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt duy nh\u1ea5t m\u00e0 b\u1ecf qua s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng c\u0169ng s\u1ebd khi\u1ebfn nh\u00e0 giao d\u1ecbch c\u00f3 nh\u1eefng k\u1ef3 v\u1ecdng sai l\u1ea7m v\u1ec1 t\u00ednh ch\u1eafc ch\u1eafn c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Theo quan s\u00e1t c\u1ee7a WMAX, vi\u1ec7c theo \u0111u\u1ed5i s\u1ef1 ho\u00e0n h\u1ea3o tuy\u1ec7t \u0111\u1ed1i trong ki\u1ec3m tra l\u1ea1i l\u1ecbch s\u1eed l\u00e0 nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 d\u1eabn \u0111\u1ebfn vi\u1ec7c nhi\u1ec1u nh\u00e0 giao d\u1ecbch \u0111\u1ecbnh l\u01b0\u1ee3ng b\u1ecb ph\u00e1 s\u1ea3n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ng\u01b0\u1eddi ta, trong c\u1ea3m gi\u00e1c an to\u00e0n gi\u1ea3 t\u1ea1o, b\u1ecf qua b\u1ea3n ch\u1ea5t c\u1ee7a nh\u1eefng bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng, v\u00e0 nh\u1ea7m l\u1eabn tr\u00f2 ch\u01a1i x\u00e1c su\u1ea5t v\u1edbi c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc ch\u1eafc ch\u1eafn.<\/p>\n

Ch\u00eca kh\u00f3a \u0111\u1ec3 tho\u00e1t kh\u1ecfi b\u1eaby qu\u00e1 kh\u1edbp n\u1eb1m \u1edf vi\u1ec7c th\u1ea5u hi\u1ec3u tri\u1ebft l\u00fd giao d\u1ecbch \u201c\u0110\u1ea1o l\u1edbn th\u00ec \u0111\u01a1n gi\u1ea3n\u201d v\u00e0 ch\u00fa tr\u1ecdng \u0111\u1ebfn t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c. WMAX khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng n\u00ean tin t\u01b0\u1edfng m\u00f9 qu\u00e1ng v\u00e0o c\u00e1c t\u1ed5 h\u1ee3p ch\u1ec9 b\u00e1o ph\u1ee9c t\u1ea1p, m\u00e0 h\u00e3y quay tr\u1edf l\u1ea1i b\u1ea3n ch\u1ea5t c\u1ee7a h\u00e0nh vi gi\u00e1 v\u00e0 m\u1ed1i quan h\u1ec7 cung c\u1ea7u, t\u1eeb \u0111\u00f3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng giao d\u1ecbch c\u00f3 logic r\u00f5 r\u00e0ng v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c tinh gi\u1ea3n. Trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n chi\u1ebfn l\u01b0\u1ee3c, c\u1ea7n ti\u1ebfn h\u00e0nh ki\u1ec3m tra ngo\u1ea1i m\u1eabu tr\u00ean nhi\u1ec1u chu k\u1ef3 v\u00e0 nhi\u1ec1u lo\u1ea1i t\u00e0i s\u1ea3n, \u0111\u1ec3 x\u00e1c minh kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng kh\u00e1c nhau (nh\u01b0 th\u1ecb tr\u01b0\u1eddng dao \u0111\u1ed9ng, th\u1ecb tr\u01b0\u1eddng m\u1ed9t chi\u1ec1u, ho\u1eb7c th\u1ecb tr\u01b0\u1eddng c\u1ef1c \u0111oan), thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o t\u1ef7 su\u1ea5t sinh l\u1eddi trong m\u1ed9t giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng c\u1ee5 th\u1ec3. \u0110\u1ed3ng th\u1eddi, c\u1ea7n ch\u1ea5p nh\u1eadn th\u1ef1c t\u1ebf r\u1eb1ng \u201ckh\u00f4ng c\u00f3 chi\u1ebfn l\u01b0\u1ee3c n\u00e0o l\u00e0 to\u00e0n n\u0103ng\u201d, v\u00e0 duy tr\u00ec vi\u1ec7c l\u1eb7p l\u1ea1i v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c. Tr\u00ean n\u1ec1n t\u1ea3ng WMAX, ch\u00fang t\u00f4i cung c\u1ea5p c\u00f4ng c\u1ee5 ki\u1ec3m tra h\u1ed3i quy m\u1ea1nh m\u1ebd c\u00f9ng m\u00f4i tr\u01b0\u1eddng giao d\u1ecbch m\u00f4 ph\u1ecfng, gi\u00fap ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m ch\u1ee9ng kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c trong d\u00f2ng d\u1eef li\u1ec7u th\u1ef1c t\u1ebf, h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n t\u1eeb vi\u1ec7c theo \u0111u\u1ed5i \u201cd\u1ef1 \u0111o\u00e1n ho\u00e0n h\u1ea3o\u201d sang \u201cph\u1ea3n \u1ee9ng d\u1ef1a tr\u00ean x\u00e1c su\u1ea5t\u201d, t\u1eeb \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eaby th\u1ecbnh v\u01b0\u1ee3ng \u1ea3o do d\u1eef li\u1ec7u l\u1ecbch s\u1eed d\u1ec7t n\u00ean, v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng th\u1ef1c chi\u1ebfn ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eed th\u00e1ch c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/p>\n

\"H\u00ecnh<\/p>\n

WMAX c\u1ea3nh gi\u00e1c tr\u01b0\u1edbc \u201cv\u00f2ng xo\u00e1y c\u1ea1n ki\u1ec7t thanh kho\u1ea3n\u201d v\u00e0 kh\u1ee7ng ho\u1ea3ng th\u1ef1c thi trong giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng m\u1ea5t l\u00fd tr\u00ed<\/strong><\/p>\n

Thanh kho\u1ea3n l\u00e0 m\u1ea1ch m\u00e1u c\u1ee7a giao d\u1ecbch h\u1ee3p \u0111\u1ed3ng ch\u00eanh l\u1ec7ch (CFD), nh\u01b0ng v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3, th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 r\u01a1i v\u00e0o b\u1eaby \u201cc\u1ea1n ki\u1ec7t thanh kho\u1ea3n\u201d. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra v\u00e0o c\u00e1c ng\u00e0y l\u1ec5 l\u1edbn, khi th\u1ecb tr\u01b0\u1eddng m\u1edf c\u1eeda v\u00e0o cu\u1ed1i tu\u1ea7n ho\u1eb7c khi c\u00f3 s\u1ef1 ki\u1ec7n \u0111\u1ecba ch\u00ednh tr\u1ecb quan tr\u1ecdng b\u1ea5t ng\u1edd, l\u00fac n\u00e0y l\u01b0\u1ee3ng l\u1ec7nh mua v\u00e0 b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u01b0a th\u1edbt, khi\u1ebfn ch\u00eanh l\u1ec7ch gi\u00e1 m\u1edf r\u1ed9ng \u0111\u1ed9t ng\u1ed9t. Nhi\u1ec1u nh\u00e0 giao d\u1ecbch m\u1edbi b\u1eaft \u0111\u1ea7u th\u01b0\u1eddng b\u1ecf qua r\u1ee7i ro n\u00e0y, m\u1edf v\u1ecb th\u1ebf ho\u1eb7c gi\u1eef v\u1ecb th\u1ebf l\u1edbn m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng trong nh\u1eefng kho\u1ea3ng th\u1eddi gian th\u1ecb tr\u01b0\u1eddng kh\u00f4ng s\u00f4i \u0111\u1ed9ng n\u00e0y. K\u1ebft qu\u1ea3 l\u00e0, ngay khi thanh kho\u1ea3n tr\u1edf l\u1ea1i, h\u1ecd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ee9c tr\u01b0\u1ee3t gi\u00e1 kh\u1ed5ng l\u1ed3, d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u1ec7nh c\u1eaft l\u1ed7 kh\u00f4ng hi\u1ec7u qu\u1ea3 ho\u1eb7c t\u00e0i kho\u1ea3n b\u1ecb l\u1ed7 s\u1ea1ch ngay l\u1eadp t\u1ee9c. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng c\u00f2n c\u1ed1 t\u00ecnh m\u1edf r\u1ed9ng ch\u00eanh l\u1ec7ch gi\u00e1 trong nh\u1eefng kho\u1ea3ng th\u1eddi gian thanh kho\u1ea3n th\u1ea5p, l\u00e0m t\u0103ng th\u00eam chi ph\u00ed giao d\u1ecbch. Theo quan \u0111i\u1ec3m c\u1ee7a WMAX, vi\u1ec7c b\u1ecf qua qu\u1ea3n l\u00fd r\u1ee7i ro theo chi\u1ec1u th\u1eddi gian t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c ch\u1ea1y tr\u00ean c\u00e1t l\u00fan; d\u00f9 \u0111\u00e1nh gi\u00e1 xu h\u01b0\u1edbng c\u00f3 ch\u00ednh x\u00e1c \u0111\u1ebfn \u0111\u00e2u, m\u1ecdi n\u1ed7 l\u1ef1c c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ed5 v\u1ee1 ch\u1ec9 v\u00ec s\u1ef1 s\u1ee5p \u0111\u1ed5 \u1edf kh\u00e2u th\u1ef1c thi.<\/p>\n

\u0110\u1ec3 tr\u00e1nh b\u1eaby thanh kho\u1ea3n, nh\u00e0 giao d\u1ecbch c\u1ea7n c\u00f3 nh\u1eadn th\u1ee9c nh\u1ea1y b\u00e9n v\u1ec1 r\u1ee7i ro th\u1eddi gian v\u00e0 k\u1ef9 n\u0103ng qu\u1ea3n l\u00fd v\u1ecb th\u1ebf tinh t\u1ebf. WMAX khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh th\u1ef1c hi\u1ec7n giao d\u1ecbch t\u1ea7n su\u1ea5t cao ho\u1eb7c gi\u1eef v\u1ecb th\u1ebf l\u1edbn qua \u0111\u00eam trong c\u00e1c khung gi\u1edd thanh kho\u1ea3n th\u1ea5p (nh\u01b0 sau gi\u1edd \u0111\u00f3ng c\u1eeda th\u1ee9 S\u00e1u, tr\u01b0\u1edbc c\u00e1c ng\u00e0y l\u1ec5), \u0111\u1ed3ng th\u1eddi c\u1ed1 g\u1eafng t\u1eadp trung giao d\u1ecbch v\u00e0o c\u00e1c khung gi\u1edd s\u00f4i \u0111\u1ed9ng khi c\u00e1c th\u1ecb tr\u01b0\u1eddng ch\u00ednh tr\u00f9ng l\u1eb7p (nh\u01b0 th\u1eddi gian tr\u00f9ng l\u1eb7p gi\u1eefa phi\u00ean London v\u00e0 phi\u00ean New York). \u0110\u1ed3ng th\u1eddi, nh\u00e0 giao d\u1ecbch c\u1ea7n n\u1eafm v\u1eefng s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ec7nh gi\u1edbi h\u1ea1n gi\u00e1 v\u00e0 l\u1ec7nh th\u1ecb tr\u01b0\u1eddng. Trong \u0111i\u1ec1u ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh ho\u1eb7c thanh kho\u1ea3n th\u1ea5p, n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng l\u1ec7nh gi\u1edbi h\u1ea1n gi\u00e1 \u0111\u1ec3 kh\u00f3a m\u1ee9c gi\u00e1 v\u00e0o\/ra, tr\u00e1nh t\u00ecnh tr\u1ea1ng tr\u01b0\u1ee3t gi\u00e1 kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c do l\u1ec7nh th\u1ecb tr\u01b0\u1eddng g\u00e2y ra. T\u1ea1i WMAX, ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p t\u1eeb nhi\u1ec1u nh\u00e0 cung c\u1ea5p thanh kho\u1ea3n, gi\u00fap cung c\u1ea5p m\u1ee9c gi\u00e1 s\u00e2u c\u1ea1nh tranh ngay c\u1ea3 khi th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u01b0\u1ee3t gi\u00e1 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Ch\u00fang t\u00f4i cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u1ed9 s\u00e2u th\u1ecb tr\u01b0\u1eddng theo th\u1eddi gian th\u1ef1c v\u00e0 c\u1ea3nh b\u00e1o r\u1ee7i ro, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn di\u1ec7n c\u00e1c khung gi\u1edd thanh kho\u1ea3n th\u1ea5p, h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng l\u1eadp k\u1ebf ho\u1ea1ch th\u1eddi gian giao d\u1ecbch h\u1ee3p l\u00fd, gi\u1ea3m thi\u1ec3u r\u1ee7i ro th\u1ef1c hi\u1ec7n xu\u1ed1ng m\u1ee9c th\u1ea5p nh\u1ea5t, \u0111\u1ea3m b\u1ea3o c\u00f3 th\u1ec3 v\u00e0o\/ra th\u1ecb tr\u01b0\u1eddng m\u1ed9t c\u00e1ch b\u00ecnh t\u0129nh v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m quan tr\u1ecdng, tr\u00e1nh nh\u1eefng t\u1ed5n th\u1ea5t b\u1ea5t ng\u1edd do th\u1ecb tr\u01b0\u1eddng \u201c\u0111\u00f3ng b\u0103ng\u201d.<\/p>\n

T\u00f3m t\u1eaft<\/strong><\/p>\n

Th\u1ecb tr\u01b0\u1eddng giao d\u1ecbch h\u1ee3p \u0111\u1ed3ng ch\u00eanh l\u1ec7ch (CFD) ch\u1ee9a \u0111\u1ef1ng v\u00f4 v\u00e0n th\u00e1ch th\u1ee9c kh\u00f3 l\u01b0\u1eddng. R\u1ee7i ro \u0111\u1ea1o \u0111\u1ee9c t\u1eeb c\u00e1c n\u1ec1n t\u1ea3ng \u201ch\u1ed9p \u0111en\u201d, b\u1eaby chi\u1ebfn l\u01b0\u1ee3c qu\u00e1 kh\u1edbp (overfitting) v\u00e0 kh\u1ee7ng ho\u1ea3ng th\u1ef1c thi do c\u1ea1n ki\u1ec7t thanh kho\u1ea3n ch\u00ednh l\u00e0 ba r\u1ea1n san h\u00f4 l\u1edbn \u0111ang n\u1eb1m ch\u1eafn ngang tr\u01b0\u1edbc m\u1eb7t nh\u00e0 \u0111\u1ea7u t\u01b0. Nh\u1eefng c\u1ea1m b\u1eaby n\u00e0y th\u01b0\u1eddng ng\u1ee5y trang d\u01b0\u1edbi v\u1ecf b\u1ecdc c\u00f4ng ngh\u1ec7 hay c\u01a1 h\u1ed9i, l\u1ee3i d\u1ee5ng nh\u1eefng \u0111i\u1ec3m m\u00f9 trong nh\u1eadn th\u1ee9c v\u00e0 \u0111i\u1ec3m y\u1ebfu b\u1ea3n n\u0103ng c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u1ec3 ra tay. N\u1ebfu thi\u1ebfu s\u1ef1 c\u1ea3nh gi\u00e1c v\u00e0 c\u01a1 ch\u1ebf ph\u00f2ng v\u1ec7 khoa h\u1ecdc, ngay c\u1ea3 nh\u1eefng nh\u00e0 giao d\u1ecbch gi\u00e0u kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p th\u1ea5t b\u1ea1i b\u1ea5t ng\u1edd. Ch\u1ec9 khi lu\u00f4n gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 t\u1ec9nh t\u00e1o, ki\u00ean \u0111\u1ecbnh l\u1ef1a ch\u1ecdn c\u00e1c k\u00eanh ch\u00ednh th\u1ed1ng, tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c nguy\u00ean t\u1eafc qu\u1ea3n l\u00fd v\u1ed1n v\u00e0 r\u00e8n luy\u1ec7n kh\u1ea3 n\u0103ng t\u01b0 duy \u0111\u1ed9c l\u1eadp, nh\u00e0 \u0111\u1ea7u t\u01b0 m\u1edbi c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5u nh\u1eefng l\u1edbp m\u00e0n che gi\u1ea5u.<\/p>\n

WMAX lu\u00f4n coi ki\u1ec3m so\u00e1t r\u1ee7i ro l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n, v\u00e0 cam k\u1ebft x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 sinh th\u00e1i giao d\u1ecbch an to\u00e0n, minh b\u1ea1ch v\u00e0 h\u1ee3p l\u00fd cho ng\u01b0\u1eddi d\u00f9ng. Ch\u00fang t\u00f4i mu\u1ed1n nh\u1ea5n m\u1ea1nh m\u1ed9t l\u1ea7n n\u1eefa r\u1eb1ng kh\u00f4ng c\u00f3 con \u0111\u01b0\u1eddng t\u1eaft n\u00e0o tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh; b\u1ea5t k\u1ef3 h\u00e0nh vi n\u00e0o c\u1ed1 g\u1eafng l\u00e1ch lu\u1eadt \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro \u0111\u1ec1u s\u1ebd ph\u1ea3i tr\u1ea3 gi\u00e1. T\u1ea1i WMAX, th\u00f4ng qua vi\u1ec7c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh, c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t r\u1ee7i ro ti\u00ean ti\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng gi\u00e1o d\u1ee5c \u0111\u1ea7u t\u01b0 chuy\u00ean nghi\u1ec7p, ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 ng\u01b0\u1eddi d\u00f9ng to\u00e0n di\u1ec7n trong vi\u1ec7c nh\u1eadn di\u1ec7n v\u00e0 tr\u00e1nh c\u00e1c c\u1ea1m b\u1eaby giao d\u1ecbch. Ch\u00fang t\u00f4i mong mu\u1ed1n c\u00f9ng qu\u00fd v\u1ecb x\u00e2y d\u1ef1ng m\u1ed9t h\u00e0ng r\u00e0o an to\u00e0n v\u1eefng ch\u1eafc, \u0111i\u1ec1u khi\u1ec3n nh\u1eefng bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng b\u1eb1ng s\u1ef1 l\u00fd tr\u00ed v\u00e0 k\u1ef7 lu\u1eadt, ti\u1ebfn b\u01b0\u1edbc v\u1eefng v\u00e0ng tr\u00ean con \u0111\u01b0\u1eddng theo \u0111u\u1ed5i s\u1ef1 ph\u00e1t tri\u1ec3n \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n v\u1eefng, \u0111\u1ed3ng h\u00e0nh c\u00f9ng nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1eebng \u0111\u1ed3ng v\u1ed1n \u0111\u1ea7u t\u01b0 qu\u00fd gi\u00e1.<\/p>","protected":false},"excerpt":{"rendered":"

WMAX v\u1ea1ch tr\u1ea7n ba r\u1ee7i ro ti\u1ec1m \u1ea9n ch\u00ednh trong giao d\u1ecbch h\u1ee3p \u0111\u1ed3ng ch\u00eanh l\u1ec7ch (CFD): h\u00e0nh vi \u201c\u0111\u00e2m gi\u00e1\u201d (spiking) nh\u1eb1m s\u0103n l\u00f9ng nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ee7a c\u00e1c n\u1ec1n t\u1ea3ng kh\u00f4ng ch\u00ednh th\u1ee9c, sai l\u1ec7ch do qu\u00e1 kh\u1edbp (overfitting) trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra l\u1ea1i d\u1eef li\u1ec7u l\u1ecbch s\u1eed, v\u00e0 t\u00ecnh tr\u1ea1ng c\u1ea1n ki\u1ec7t thanh kho\u1ea3n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng c\u1ef1c \u0111oan. Ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 x\u00e1c minh gi\u00e1m s\u00e1t c\u1ee7a ASIC, ki\u1ec3m tra ngo\u00e0i m\u1eabu (out-of-sample testing) c\u00f9ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch trong khung gi\u1edd cao \u0111i\u1ec3m, gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng ph\u00f2ng ng\u1eeba r\u1ee7i ro minh b\u1ea1ch v\u00e0 v\u1eefng ch\u1eafc tr\u00ean n\u1ec1n t\u1ea3ng WMAX.<\/p>","protected":false},"author":1,"featured_media":9409,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[122],"tags":[774,773,772],"class_list":["post-9408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-774","tag-773","tag-772"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/comments?post=9408"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9408\/revisions"}],"predecessor-version":[{"id":9411,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9408\/revisions\/9411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/9409"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=9408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=9408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=9408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}