Trong l\u0129nh v\u1ef1c giao d\u1ecbch t\u00e0i ch\u00ednh, \u0111\u00f2n b\u1ea9y ch\u1eafc ch\u1eafn l\u00e0 t\u1eeb h\u1ea5p d\u1eabn v\u00e0 nguy hi\u1ec3m nh\u1ea5t. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi, \u0111\u00f2n b\u1ea9y th\u01b0\u1eddng b\u1ecb hi\u1ec3u l\u1ea7m l\u00e0 m\u1ed9t lo\u1ea1i ma thu\u1eadt c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u00e1 th\u00e0nh v\u00e0ng. C\u00f3 v\u1ebb nh\u01b0 mi\u1ec5n l\u00e0 b\u1ed9i s\u1ed1 \u0111\u1ee7 cao, s\u1ed1 ti\u1ec1n nh\u1ecf c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c bi\u1ebfn th\u00e0nh kh\u1ed1i t\u00e0i s\u1ea3n kh\u1ed5ng l\u1ed3. Tuy nhi\u00ean, d\u01b0\u1edbi g\u00f3c \u0111\u1ed9 chuy\u00ean m\u00f4n c\u1ee7a WMAX, b\u1ea3n ch\u1ea5t c\u1ee7a \u0111\u00f2n b\u1ea9y kh\u00f4ng ph\u1ea3i l\u00e0 \u201cm\u00e1y r\u00fat ti\u1ec1n\u201d m\u00e0 l\u00e0 \u201ck\u00ednh l\u00fap\u201d thu\u1ea7n t\u00fay v\u1ec1 v\u1ed1n. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 giao d\u1ecbch ki\u1ec3m so\u00e1t c\u00e1c h\u1ee3p \u0111\u1ed3ng c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn v\u1edbi m\u1ee9c k\u00fd qu\u1ef9 nh\u1ecf. C\u01a1 ch\u1ebf n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng v\u1ed1n nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0m gia t\u0103ng r\u1ee7i ro. Gi\u1ed1ng nh\u01b0 kho\u1ea3n tr\u1ea3 tr\u01b0\u1edbc trong th\u1ecb tr\u01b0\u1eddng b\u1ea5t \u0111\u1ed9ng s\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n tr\u1ea3 m\u1ed9t ph\u1ea7n nh\u1ecf trong t\u1ed5ng gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n (ti\u1ec1n \u0111\u1eb7t c\u1ecdc) \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng to\u00e0n b\u1ed9 kho\u1ea3n l\u00e3i ho\u1eb7c l\u1ed7 do t\u00e0i s\u1ea3n t\u0103ng gi\u00e1 ho\u1eb7c kh\u1ea5u hao. Trong giao d\u1ecbch CFD, t\u1ef7 l\u1ec7 \"tr\u1ea3 tr\u01b0\u1edbc\" n\u00e0y th\u1eadm ch\u00ed c\u00f2n th\u1ea5p h\u01a1n, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng l\u1edbn v\u1edbi chi ph\u00ed r\u1ea5t nh\u1ecf, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 c\u0169ng c\u00f3 ngh\u0129a l\u00e0 m\u1ed7i bi\u1ebfn \u0111\u1ed9ng nh\u1ecf c\u1ee7a gi\u00e1 th\u1ecb tr\u01b0\u1eddng s\u1ebd g\u00e2y ra nh\u1eefng c\u00fa s\u1ed1c d\u1eef d\u1ed9i trong t\u00e0i kho\u1ea3n ch\u00ednh c\u1ee7a b\u1ea1n.<\/p>\n
Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh con dao hai l\u01b0\u1ee1i c\u1ee7a \u0111\u00f2n b\u1ea9y l\u00e0 kh\u00f3a h\u1ecdc b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi m\u1ecdi nh\u00e0 giao d\u1ecbch tr\u01b0\u1edfng th\u00e0nh. Tr\u00ean n\u1ec1n t\u1ea3ng WMAX, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn \u0111\u00f2n b\u1ea9y linh ho\u1ea1t m\u00e0 c\u00f2n cam k\u1ebft h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng c\u00e1ch t\u00ednh to\u00e1n r\u1ee7i ro th\u1ef1c s\u1ef1 \u0111\u1eb1ng sau \u0111\u00f2n b\u1ea9y. L\u1ea5y \u0111\u00f2n b\u1ea9y 100 l\u1ea7n l\u00e0m v\u00ed d\u1ee5, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 mi\u1ec5n l\u00e0 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng 1% th\u00ec ti\u1ec1n g\u1ed1c c\u1ee7a b\u1ea1n s\u1ebd thay \u0111\u1ed5i 100%. N\u1ebfu \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00fang, t\u00e0i s\u1ea3n s\u1ebd t\u0103ng g\u1ea5p \u0111\u00f4i; n\u1ebfu h\u01b0\u1edbng b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c, ti\u1ec1n g\u1ed1c s\u1ebd tr\u1edf v\u1ec1 0 ngay l\u1eadp t\u1ee9c. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang t\u00f4i li\u00ean t\u1ee5c nh\u1ea5n m\u1ea1nh r\u1eb1ng \u0111\u00f2n b\u1ea9y cao l\u00e0 c\u00f4ng c\u1ee5 th\u00fac \u0111\u1ea9y thanh l\u00fd ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 \u0111\u1ea3m b\u1ea3o cho l\u1ee3i nhu\u1eadn. Vi\u1ec7c ch\u1ecdn t\u1ef7 l\u1ec7 \u0111\u00f2n b\u1ea9y ph\u00f9 h\u1ee3p ph\u1ea3i d\u1ef1a tr\u00ean s\u1ed1 ti\u1ec1n trong t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n, m\u1ee9c \u0111\u1ed9 ch\u1ea5p nh\u1eadn r\u1ee7i ro v\u00e0 chu k\u1ef3 chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00f3 s\u1ed1 ti\u1ec1n nh\u1ecf h\u01a1n ho\u1eb7c kh\u1ea9u v\u1ecb r\u1ee7i ro th\u1ea5p h\u01a1n, WMAX khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 \u0111\u00f2n b\u1ea9y th\u1ea5p h\u01a1n \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y kho\u1ea3ng d\u1eebng l\u1ed7 r\u1ed9ng h\u01a1n nh\u1eb1m tr\u00e1nh b\u1ecb cu\u1ed1n tr\u00f4i do nh\u1eefng bi\u1ebfn \u0111\u1ed9ng \u1ed3n \u00e0o th\u00f4ng th\u01b0\u1eddng tr\u00ean th\u1ecb tr\u01b0\u1eddng. C\u00e1c b\u1eadc th\u1ea7y giao d\u1ecbch th\u1ef1c s\u1ef1 kh\u00f4ng bao gi\u1edd theo \u0111u\u1ed5i \u0111\u00f2n b\u1ea9y t\u1ed1i \u0111a m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng m\u00e0 h\u00e3y t\u00ecm ki\u1ebfm \u0111i\u1ec3m c\u00e2n b\u1eb1ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea3 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng v\u1ed1n v\u00e0 s\u1ef1 an to\u00e0n sinh t\u1ed3n.<\/p>\n
B\u00ed m\u1eadt c\u1ee7a ch\u00eanh l\u1ec7ch gi\u00e1: Kh\u00e1m ph\u00e1 t\u00ednh v\u00f4 h\u00ecnh c\u1ee7a chi ph\u00ed giao d\u1ecbch<\/p>\n
Nhi\u1ec1u ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u s\u1ebd g\u1eb7p ph\u1ea3i m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3 hi\u1ec3u khi l\u1ea7n \u0111\u1ea7u ti\u00ean ti\u1ebfp x\u00fac v\u1edbi giao d\u1ecbch CFD: T\u1ea1i sao l\u00e3i v\u00e0 l\u1ed7 hi\u1ec3n th\u1ecb tr\u00ean t\u00e0i kho\u1ea3n l\u00e0 s\u1ed1 \u00e2m ngay khi h\u1ecd m\u1edf m\u1ed9t v\u1ecb th\u1ebf l\u1ea7n \u0111\u1ea7u ti\u00ean? \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i h\u1ec7 th\u1ed1ng m\u00e0 l\u00e0 s\u1ef1 \u201cl\u00e2y lan\u201d trong c\u00f4ng vi\u1ec7c. Spread, t\u1ee9c l\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 mua (Ask) v\u00e0 gi\u00e1 b\u00e1n (Bid), l\u00e0 ngu\u1ed3n thu nh\u1eadp ch\u00ednh \u0111\u1ec3 c\u00e1c nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng v\u00e0 s\u00e0n giao d\u1ecbch cung c\u1ea5p d\u1ecbch v\u1ee5, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 chi ph\u00ed c\u01a1 b\u1ea3n t\u1ea5t y\u1ebfu trong giao d\u1ecbch. B\u1ea1n c\u00f3 th\u1ec3 coi \u0111\u00f3 l\u00e0 ch\u00eanh l\u1ec7ch t\u1ef7 gi\u00e1 khi trao \u0111\u1ed5i ti\u1ec1n t\u1ec7, hay ch\u00eanh l\u1ec7ch gi\u00e1 b\u00e1n bu\u00f4n v\u00e0 gi\u00e1 b\u00e1n l\u1ebb trong mua b\u00e1n h\u00e0ng h\u00f3a. Trong giao di\u1ec7n giao d\u1ecbch WMAX, m\u1ee9c ch\u00eanh l\u1ec7ch \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng trong c\u1eeda s\u1ed5 b\u00e1o gi\u00e1. Khi b\u1ea1n nh\u1ea5p \u0111\u1ec3 mua, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf m\u1ee9c gi\u00e1 H\u1ecfi cao h\u01a1n; v\u00e0 khi b\u1ea1n mu\u1ed1n b\u00e1n ngay l\u1eadp t\u1ee9c, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf m\u1ee9c gi\u00e1 Mua th\u1ea5p h\u01a1n. Ch\u00eanh l\u1ec7ch gi\u00e1 gi\u1eefa l\u00fac v\u00e0o v\u00e0 ra ch\u00ednh l\u00e0 \u201ct\u1ea5m v\u00e9\u201d b\u1ea1n ph\u1ea3i tr\u1ea3 \u0111\u1ec3 tham gia th\u1ecb tr\u01b0\u1eddng.<\/p>\n
Lo\u1ea1i b\u1ecf nh\u1eefng hi\u1ec3u l\u1ea7m v\u1ec1 ch\u00eanh l\u1ec7ch gi\u00e1 c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch \u0111\u00e1nh gi\u00e1 kh\u00e1ch quan h\u01a1n l\u1ee3i nhu\u1eadn t\u1eeb chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a h\u1ecd. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch si\u00eau ng\u1eafn h\u1ea1n (ch\u1eb3ng h\u1ea1n nh\u01b0 chi\u1ebfn l\u01b0\u1ee3c l\u01b0\u1edbt s\u00f3ng), ch\u00eanh l\u1ec7ch gi\u00e1 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng v\u00e0 c\u00e1i ch\u1ebft, b\u1edfi v\u00ec m\u1ee5c ti\u00eau l\u1ee3i nhu\u1eadn c\u1ee7a h\u1ecd nh\u1ecf v\u00e0 m\u1ee9c ch\u00eanh l\u1ec7ch cao c\u00f3 th\u1ec3 nhanh ch\u00f3ng \u0103n h\u1ebft l\u1ee3i nhu\u1eadn. Do \u0111\u00f3, WMAX cam k\u1ebft gi\u1ea3m ch\u00eanh l\u1ec7ch gi\u00e1 th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n k\u1ef9 thu\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c c\u1eb7p ti\u1ec1n t\u1ec7 ch\u00ednh v\u00e0 ch\u1ec9 s\u1ed1 ch\u1ee9ng kho\u00e1n ph\u1ed5 bi\u1ebfn, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p b\u00e1o gi\u00e1 c\u1ef1c k\u1ef3 c\u1ea1nh tranh \u0111\u1ec3 gi\u1ea3m hao m\u00f2n giao d\u1ecbch c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch theo xu h\u01b0\u1edbng d\u00e0i h\u1ea1n, m\u1ee9c ch\u00eanh l\u1ec7ch l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 khi \u0111\u1ed1i m\u1eb7t v\u1edbi l\u1ee3i nhu\u1eadn kh\u1ed5ng l\u1ed3 theo xu h\u01b0\u1edbng. Hi\u1ec3u \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n c\u1ee7a ch\u00eanh l\u1ec7ch c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u l\u00fd do t\u1ea1i sao th\u01b0\u1eddng kh\u00f3 ki\u1ebfm \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn n\u1ebfu t\u1ea7n su\u1ea5t giao d\u1ecbch qu\u00e1 cao, t\u1eeb \u0111\u00f3 h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n t\u1eeb giao d\u1ecbch v\u00e0o v\u00e0 tho\u00e1t th\u01b0\u1eddng xuy\u00ean sang giao d\u1ecbch theo xu h\u01b0\u1edbng t\u1ef1 tin h\u01a1n, khi\u1ebfn chi ph\u00ed c\u1ee7a m\u1ed7i giao d\u1ecbch tr\u1edf n\u00ean \u0111\u00e1ng gi\u00e1.<\/p>\n
Tr\u00f2 ch\u01a1i l\u00e3i su\u1ea5t qua \u0111\u00eam: chi ph\u00ed v\u00e0 l\u1ee3i \u00edch x\u00e9t theo kh\u00eda c\u1ea1nh th\u1eddi gian<\/p>\n
Trong giao d\u1ecbch ch\u1ee9ng kho\u00e1n giao ngay, b\u1ea1n mua m\u1ed9t c\u1ed5 phi\u1ebfu v\u00e0 gi\u1eef n\u00f3 trong m\u01b0\u1eddi n\u0103m, th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i tr\u1ea3 th\u00eam chi ph\u00ed n\u1eafm gi\u1eef. Nh\u01b0ng trong th\u1ebf gi\u1edbi h\u1ee3p \u0111\u1ed3ng CFD, t\u00ecnh h\u00ecnh ho\u00e0n to\u00e0n kh\u00e1c. V\u00ec giao d\u1ecbch CFD v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 giao d\u1ecbch k\u00fd qu\u1ef9 n\u00ean khi b\u1ea1n m\u1edf m\u1ed9t v\u1ecb th\u1ebf, b\u1ea1n th\u1ef1c s\u1ef1 \u0111ang \"vay\" ti\u1ec1n t\u1eeb n\u1ec1n t\u1ea3ng \u0111\u1ec3 m\u1edf r\u1ed9ng v\u1ecb th\u1ebf c\u1ee7a m\u00ecnh. Do \u0111\u00f3, khi b\u1ea1n gi\u1eef m\u1ed9t v\u1ecb th\u1ebf qua \u0111\u00eam v\u00e0 v\u01b0\u1ee3t qua th\u1eddi \u0111i\u1ec3m thanh to\u00e1n, b\u1ea1n c\u1ea7n ph\u1ea3i tr\u1ea3 l\u00e3i cho kho\u1ea3n vay ho\u1eb7c nh\u1eadn l\u00e3i d\u1ef1a tr\u00ean ch\u00eanh l\u1ec7ch l\u00e3i su\u1ea5t, t\u1ee9c l\u00e0 l\u00e3i su\u1ea5t qua \u0111\u00eam. Kho\u1ea3n ph\u00ed n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh r\u00f5 r\u00e0ng d\u01b0\u1edbi d\u1ea1ng ghi n\u1ee3 ho\u1eb7c ghi c\u00f3 trong chi ti\u1ebft t\u00e0i kho\u1ea3n c\u1ee7a WMAX. N\u00f3 nh\u1eafc nh\u1edf ch\u00fang ta r\u1eb1ng giao d\u1ecbch CFD kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i bi\u1ebfn \u0111\u1ed9ng gi\u00e1 m\u00e0 c\u00f2n l\u00e0 vi\u1ec7c xem x\u00e9t chi ph\u00ed v\u1ed1n.<\/p>\n
S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a l\u00e3i su\u1ea5t qua \u0111\u00eam quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch kh\u00e1c nhau. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi giao d\u1ecbch trong ng\u00e0y, h\u1ecd s\u1ebd \u0111\u00f3ng v\u1ecb th\u1ebf tr\u01b0\u1edbc khi th\u1ecb tr\u01b0\u1eddng \u0111\u00f3ng c\u1eeda, nh\u1edd \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c ho\u00e0n to\u00e0n \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u00e3i su\u1ea5t qua \u0111\u00eam. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao h\u1ec7 th\u1ed1ng kh\u1edbp l\u1ec7nh c\u1ef1c nhanh c\u1ee7a WMAX l\u1ea1i \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch ng\u1eafn h\u1ea1n. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi n\u1eafm gi\u1eef v\u1ecb th\u1ebf d\u00e0i h\u1ea1n, l\u00e3i su\u1ea5t l\u00e0 m\u1ed9t kho\u1ea3n ph\u1ea3i t\u00ednh to\u00e1n. N\u1ebfu l\u00e3i su\u1ea5t c\u1ee7a \u0111\u1ed3ng ti\u1ec1n b\u1ea1n mua cao h\u01a1n l\u00e3i su\u1ea5t c\u1ee7a \u0111\u1ed3ng ti\u1ec1n b\u1ea1n b\u00e1n (ch\u1eb3ng h\u1ea1n nh\u01b0 mua m\u1ed9t c\u1eb7p ti\u1ec1n t\u1ec7 c\u00f3 l\u00e3i su\u1ea5t cao), b\u1ea1n th\u1eadm ch\u00ed c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c thu nh\u1eadp l\u00e3i qua \u0111\u00eam d\u01b0\u01a1ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \"giao d\u1ecbch mua b\u00e1n\". M\u1eb7t kh\u00e1c, n\u1ebfu ch\u00eanh l\u1ec7ch l\u00e3i su\u1ea5t \u00e2m, vi\u1ec7c gi\u1eef qu\u00e1 l\u00e2u s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0m x\u00f3i m\u00f2n v\u1ed1n g\u1ed1c. WMAX khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng n\u00ean \u0111\u1ea3m b\u1ea3o ki\u1ec3m tra b\u1ea3ng l\u00e3i su\u1ea5t qua \u0111\u00eam c\u1ee7a n\u1ec1n t\u1ea3ng tr\u01b0\u1edbc khi m\u1edf m\u1ed9t v\u1ecb th\u1ebf v\u00e0 t\u00ednh c\u1ea3 chi ph\u00ed th\u1eddi gian khi t\u00ednh t\u1ef7 l\u1ec7 l\u00e3i-l\u1ed7. B\u1eb1ng c\u00e1ch s\u1eafp x\u1ebfp h\u1ee3p l\u00fd th\u1eddi gian n\u1eafm gi\u1eef v\u00e0 s\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc l\u00e3i su\u1ea5t \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 b\u00ecnh t\u0129nh gi\u1ea3i quy\u1ebft n\u00f3 trong d\u00f2ng th\u1eddi gian d\u00e0i, thay v\u00ec b\u1ecb nh\u1eefng chi ph\u00ed v\u00f4 h\u00ecnh k\u00e9o xu\u1ed1ng m\u1ed9t c\u00e1ch l\u1eb7ng l\u1ebd.<\/p>","protected":false},"excerpt":{"rendered":"
Ph\u00e2n t\u00edch chuy\u00ean s\u00e2u v\u1ec1 c\u01a1 ch\u1ebf c\u1ed1t l\u00f5i c\u1ee7a giao d\u1ecbch CFD: xem x\u00e9t vi\u1ec7c qu\u1ea3n l\u00fd r\u1ee7i ro thanh l\u00fd t\u1eeb hi\u1ec7u \u1ee9ng \"k\u00ednh l\u00fap\" c\u1ee7a \u0111\u00f2n b\u1ea9y, kh\u00e1m ph\u00e1 t\u1ea5m m\u00e0n ch\u00eanh l\u1ec7ch th\u1ef1c s\u1ef1 (Ch\u00eanh l\u1ec7ch) nh\u01b0 m\u1ed9t chi ph\u00ed \u1ea9n v\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft l\u00e3i su\u1ea5t qua \u0111\u00eam (Swap) \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u00e3i v\u00e0 l\u1ed7 v\u1ecb th\u1ebf d\u00e0i h\u1ea1n nh\u01b0 th\u1ebf n\u00e0o. B\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u00e1ch t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch b\u1eb1ng c\u1ea5u tr\u00fac chi ph\u00ed minh b\u1ea1ch c\u1ee7a WMAX, gi\u00fap b\u1ea1n t\u00ednh to\u00e1n ch\u00ednh x\u00e1c m\u1ecdi chi ph\u00ed trong th\u1ecb tr\u01b0\u1eddng \u0111\u1ea7y bi\u1ebfn \u0111\u1ed9ng c\u1ee7a n\u0103m 2026 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 th\u0103ng ti\u1ebfn h\u1ee3p l\u00fd.<\/p>","protected":false},"author":1,"featured_media":9788,"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":[962,907,268],"class_list":["post-9787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-cfd","tag-907","tag-268"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9787","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=9787"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9787\/revisions"}],"predecessor-version":[{"id":9789,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9787\/revisions\/9789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/9788"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=9787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=9787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=9787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}