M\u1ee5c \u0111\u00edch c\u1ee7a l\u1ec7nh<\/h4>\n\n- Mua ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Short<\/li>\n
- Mua d\u1eebng l\u1ed7 t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Short<\/li>\n
- M\u1edf m\u1edbi v\u1ecb th\u1ebf Long v\u1edbi gi\u00e1 mua t\u1ed1i \u01b0u \u0111\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t<\/h4>\n
Quy \u01b0\u1edbc k\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c nh\u01b0 sau:<\/p>\n
\n- f(x): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh<\/li>\n
- f(x-1): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3<\/li>\n
- P: l\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t, t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u phi\u00ean giao d\u1ecbch gi\u00e1 th\u1ecb tr\u01b0\u1eddng P(0) b\u1eb1ng gi\u00e1 tham chi\u1ebfu<\/li>\n
- D: l\u00e0 bi\u00ean \u0111\u1ed9 t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t = gi\u00e1 tr\u1ecb nh\u1eadp v\u00e0o (1, 2, 3, \u2026)<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh Mua:<\/h4>\n\n- Gi\u00e1 k\u00edch ho\u1ea1t th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u:<\/strong> f(0) = P(0) + D<\/li>\n
- Gi\u00e1 k\u00edch ho\u1ea1t:<\/strong> f(x) = MIN[f(x-1); P + D] (\u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean)<\/li>\n
- \u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t: f(x) <= P, hay MIN[f(x-1); P + D] – P <= 0 (l\u1ec7nh \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng >= gi\u00e1 k\u00edch ho\u1ea1t)<\/li>\n<\/ul>\n
V\u00ed d\u1ee5<\/h4>\n
L\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Buy: Mua ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 n\u1eafm gi\u1eef v\u1ecb th\u1ebf B\u00e1n<\/p>\n
Nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef 1 v\u1ecb th\u1ebf B\u00e1n 1 H\u0110LT m\u00e3 VN30F1809 t\u1ea1i m\u1ee9c gi\u00e1 v\u1ed1n = 905. Nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f3 th\u1eddi gian theo d\u00f5i th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u1ea7n ch\u1ed1t l\u00e3i v\u1ecb th\u1ebf b\u00e1n \u0111ang c\u00f3 n\u00ean \u0111\u1eb7t 1 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Buy: Mua 1 H\u0110TL VN30F1809 v\u1edbi bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t D = 2 v\u00e0 b\u01b0\u1edbc gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh = 0.2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i nh\u01b0 sau:<\/p>\n
\n\n\nTh\u1eddi \u0111i\u1ec3m<\/span><\/td>\n 1<\/td>\n 2<\/td>\n 3<\/td>\n 4<\/td>\n 5<\/td>\n<\/tr>\n \nGi\u00e1 th\u1ecb tr\u01b0\u1eddng (P<\/em><\/strong>)<\/span><\/td>\n904<\/td>\n 900<\/td>\n 901<\/td>\n 900<\/td>\n 902<\/td>\n<\/tr>\n \nBi\u00ean \u0111\u1ed9<\/u> (D)<\/em><\/strong><\/span><\/td>\n2<\/td>\n 2<\/td>\n 2<\/td>\n 2<\/td>\n 2<\/td>\n<\/tr>\n \nGi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh f(x)<\/em><\/strong><\/span><\/td>\n906<\/td>\n 902<\/td>\n 902<\/td>\n 902<\/td>\n 902<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
\n- Th\u1eddi \u0111i\u1ec3m 1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng: P(1) = 904 => gi\u00e1 k\u00edch ho\u1ea1t ban \u0111\u1ea7u: f(1) = P(1) + D = 904 + 2 = 906<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(2) = 900 => gi\u00e1 k\u00edch ho\u1ea1t:\u00a0 f(2) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(1); P(2) + D] = Min(906; 900 + 2) = 902<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(4) = 901 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Min[(f(2); P(3) + D) = Min (902;903) = 902<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng gi\u1ea3m: P(4) = 900 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(3); P(4) + D] = Min(902; 900 + 2) = 902<\/li>\n<\/ul>\n
\n- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m, gi\u00e1 th\u1ecb tr\u01b0\u1eddng ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 902 = f(4) => l\u1ec7nh Trailing Buy \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh Mua LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) + 0.2 = 902 + 0.2 = 902.2 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c<\/h4>\n\n- Th\u1eddi \u0111i\u1ec3m \u0111\u1eb7t l\u1ec7nh xu h\u01b0\u1edbng kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n (KL Mua\/B\u00e1n t\u1ed1i \u0111a, \u2026)<\/li>\n
- Ki\u1ec3m tra bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t ph\u1ea3i (Trailing Amount) > 0, v\u00e0 ph\u1ea3i ch\u1eb5n b\u01b0\u1edbc gi\u00e1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- Ki\u1ec3m tra ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng (Limit offser) >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- L\u1ec7nh xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean, lo\u1ea1i l\u1ec7nh LO<\/li>\n
- L\u1ec7nh m\u1edbi \u0111\u1eb7t \u1edf tr\u1ea1ng th\u00e1i \u201cCh\u1edd k\u00edch ho\u1ea1t\u201d<\/li>\n<\/ul>\n
C\u00e1c b\u01b0\u1edbc \u0111\u1eb7t l\u1ec7nh<\/strong><\/h4>\na. D\u00e0nh cho phi\u00ean b\u1ea3n web<\/h5>\n
B\u01b0\u1edbc 1:<\/strong> Ch\u1ecdn \u201cTrailing Buy\u201d<\/p>\nB\u01b0\u1edbc 2:<\/strong> Nh\u1eadp c\u00e1c th\u00f4ng tin \u0111\u1eb7t l\u1ec7nh: M\u00e3 H\u0110, bi\u00ean \u0111\u1ed9, b\u01b0\u1edbc gi\u00e1, s\u1ed1 l\u01b0\u1ee3ng<\/p>\n![\"\"](\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\")
<\/p>\n
<\/p>\n
\n\n\nT\u00ean tr\u01b0\u1eddng<\/strong><\/span><\/td>\nM\u00f4 t\u1ea3 chi ti\u1ebft<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n\n\nL\u1ec7nh \u0111i\u1ec1u ki\u1ec7n<\/td>\n Trailing Buy<\/td>\n<\/tr>\n \nMua<\/td>\n Hi\u1ec3n th\u1ecb v\u00f9ng \u0111\u1eb7t l\u1ec7nh b\u00ean Mua<\/p>\n\n- V\u00f9ng hi\u1ec3n th\u1ecb n\u00fat Mua m\u00e0u xanh l\u00e0 v\u00f9ng Mua<\/li>\n
- Disable v\u00f9ng \u0111\u1eb7t l\u1ec7nh B\u00e1n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nBi\u00ean \u0111\u1ed9<\/td>\n L\u00e0 gi\u00e1 tr\u1ecb ch\u00eanh l\u1ec7ch gi\u1eef gi\u00e1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng: thi\u1ebft l\u1eadp gi\u00e1 k\u00edch ho\u1ea1t cao h\u01a1n gi\u00e1 th\u1ecb tr\u01b0\u1eddng<\/p>\n\n- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 2.3 \u2013 hai ph\u1ea9y 3 \u0111i\u1ec3m)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > 0 v\u00e0 l\u1ebb sau d\u1ea5u ph\u1ea9y 1 \u0111\u01a1n v\u1ecb<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nB\u01b0\u1edbc gi\u00e1<\/td>\n \n\u0110\u1ed9 ch\u00eanh l\u1ec7ch b\u01b0\u1edbc gi\u00e1 gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m k\u00edch ho\u1ea1t l\u1ec7nh<\/p>\n
\n- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 0.2 \u2013 kh\u00f4ng ch\u1ea5m hai)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > =0<\/li>\n
- M\u1eb7c \u0111\u1ecbnh l\u00e0 0.0<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nS\u1ed1 l\u01b0\u1ee3ng<\/td>\n Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1eb7t l\u1ec7nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nB\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn mua\u201d<\/p>\n<\/p>\n
Th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u \u0111\u1eb7t l\u1ec7nh n\u1ebfu kh\u00e1ch h\u00e0ng ch\u01b0a x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u kh\u1ea9u \u0111\u1eb7t l\u1ec7nh tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n
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Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn\u201d \u0111\u1ec3 ho\u00e0n t\u1ea5t vi\u1ec7c \u0111\u1eb7t l\u1ec7nh., khi \u0111\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00f3 th\u00f4ng b\u00e1o \u201c\u0110\u00e3 g\u1eedi y\u00eau c\u1ea7u. Xin vui l\u00f2ng ki\u1ec3m ra l\u1ea1i s\u1ed5 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n!\u201d<\/p>\n
b. D\u00e0nh cho phi\u00ean b\u1ea3n mobile<\/h5>\n
B\u01b0\u1edbc 1: <\/strong>Ch\u1ecdn \u201cTrailing Buy\u201d<\/p>\nB\u01b0\u1edbc 2: <\/strong>Nh\u1eadp c\u00e1c th\u00f4ng tin \u0111\u1eb7t l\u1ec7nh: M\u00e3 H\u0110, bi\u00ean \u0111\u1ed9, b\u01b0\u1edbc gi\u00e1, s\u1ed1 l\u01b0\u1ee3ng<\/p>\n<\/p>\n
B\u01b0\u1edbc 3: <\/strong>Nh\u1ea5n n\u00fat \u201cMua\u201d \u0111\u1ec3 \u0111\u1eb7t l\u1ec7nh \u2192 Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o \u201c\u0110\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng\u201d<\/p>\nL\u1ec7nh Trailing Sell (L\u1ec7nh B\u00e1n xu h\u01b0\u1edbng)<\/h3>\nKh\u00e1i ni\u1ec7m<\/h4>\n
L\u00e0 l\u1ec7nh B\u00e1n xu h\u01b0\u1edbng v\u1edbi gi\u00e1 B\u00e1n b\u00e1m s\u00e1t xu th\u1ebf t\u0103ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 B\u00e1n t\u1ed1t nh\u1ea5t. Khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean. Khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng v\u01b0\u1ee3t d\u01b0\u1edbi ng\u01b0\u1ee1ng (<=) gi\u00e1 k\u00edch ho\u1ea1t th\u00ec l\u1ec7nh s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n
\n- Trailing amount: l\u00e0 bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh. T\u1ea1i th\u1eddi \u0111i\u1ec3m gi\u00e1 th\u1ecb tr\u01b0\u1eddng <= gi\u00e1 k\u00edch ho\u1ea1t th\u00ec \u0111\u1ea9y 1 l\u1ec7nh LO v\u1edbi gi\u00e1 \u0111\u1eb7t<\/strong> = gi\u00e1 th\u1ecb tr\u01b0\u1eddng – m\u1ee9c gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh \u201cLimit offset\u201d<\/em> v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n
- Limit offset: l\u00e0 gi\u00e1 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u1ec7nh k\u00edch ho\u1ea1t. M\u1ee9c gi\u00e1 ch\u00eanh l\u1ec7ch >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n
M\u1ee5c \u0111\u00edch c\u1ee7a l\u1ec7nh<\/strong><\/h4>\n\n- B\u00e1n ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Long<\/li>\n
- B\u00e1n d\u1eebng l\u1ed7 t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Long<\/li>\n
- M\u1edf m\u1edbi v\u1ecb th\u1ebf Short v\u1edbi gi\u00e1 b\u00e1n t\u1ed1i \u01b0u \u0111\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh<\/strong><\/h4>\nQuy \u01b0\u1edbc k\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c nh\u01b0 sau:<\/p>\n
\n- f(x): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh<\/li>\n
- f(x-1): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3<\/li>\n
- P: l\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t, t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u phi\u00ean giao d\u1ecbch gi\u00e1 th\u1ecb tr\u01b0\u1eddng P(0) b\u1eb1ng gi\u00e1 tham chi\u1ebfu<\/li>\n
- D: l\u00e0 bi\u00ean \u0111\u1ed9 t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t = gi\u00e1 tr\u1ecb nh\u1eadp v\u00e0o (1, 2, 3, \u2026)<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh B\u00e1n:<\/p>\n
\n- Gi\u00e1 k\u00edch ho\u1ea1t th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u: f(0) = P(0) – D<\/li>\n
- Gi\u00e1 k\u00edch ho\u1ea1t: f(x) = MAX[f(x-1), P – D] (\u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean)<\/li>\n
- \u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t: f(x) >= P, hay MAX[f(x-1), P + D] – P >= 0 (l\u1ec7nh \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng <= gi\u00e1 k\u00edch ho\u1ea1t)<\/li>\n<\/ul>\n
V\u00ed d\u1ee5<\/strong><\/h4>\nL\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Sell: B\u00e1n ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 n\u1eafm gi\u1eef v\u1ecb th\u1ebf Mua<\/p>\n
Nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Mua<\/em><\/strong> 1 H\u0110LT m\u00e3 VN30F1809 t\u1ea1i m\u1ee9c gi\u00e1 v\u1ed1n = 905. Nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f3 th\u1eddi gian theo d\u00f5i th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u1ea7n ch\u1ed1t l\u00e3i v\u1ecb th\u1ebf Mua \u0111ang c\u00f3 n\u00ean \u0111\u1eb7t 1 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Sell: B\u00e1n 1 H\u0110TL VN30F1809 v\u1edbi bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t D = 3 v\u00e0 b\u01b0\u1edbc gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh = 0.1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i nh\u01b0 sau:<\/p>\n\n\n\nTh\u1eddi \u0111i\u1ec3m<\/span><\/td>\n 1<\/td>\n 2<\/td>\n 3<\/td>\n 4<\/td>\n 5<\/td>\n<\/tr>\n \nGi\u00e1 th\u1ecb tr\u01b0\u1eddng (P<\/em><\/strong>)<\/span><\/td>\n908<\/td>\n 910<\/td>\n 909<\/td>\n 914<\/td>\n 911<\/td>\n<\/tr>\n \nBi\u00ean \u0111\u1ed9 (D)<\/em><\/strong><\/span><\/td>\n3<\/td>\n 3<\/td>\n 3<\/td>\n 3<\/td>\n 3<\/td>\n<\/tr>\n \nGi\u00e1 k\u00edch ho\u1ea1t f(x)<\/em><\/strong><\/span><\/td>\n905<\/td>\n 907<\/td>\n 907<\/td>\n 911<\/td>\n 911<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
\n- Th\u1eddi \u0111i\u1ec3m 1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng: P(1) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(1) = P(1) – D = 908 – 3 = 905<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(2) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(2) = Max[f(x-1), P – D ] = Max[f(1); P(2) \u2013 D] = Max(905; 910 \u2013 3) = 907<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(3) = 909 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Max[f(x-1), P – D ] = Max[(f(2); P(3) – D) = Max(907; 909 – 3) = 907<\/li>\n<\/ul>\n
\n- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng t\u0103ng: P(4) = 914 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = Max[f(x-1), P – D ] = Max[(f(3); P(4) – D) = Max(907; 914 \u2013 3) = 911<\/li>\n<\/ul>\n
\n- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m 5, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 911 = f(4) => l\u1ec7nh Trailing Sell \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh B\u00e1n LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) – 0.1 = 911 – 0.1 = 910.9 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c<\/strong><\/h4>\n\n- Th\u1eddi \u0111i\u1ec3m \u0111\u1eb7t l\u1ec7nh xu h\u01b0\u1edbng kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n (KL Mua\/B\u00e1n t\u1ed1i \u0111a,\u2026)<\/li>\n
- Check bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t ph\u1ea3i (Trailing Amount) > 0, v\u00e0 ph\u1ea3i ch\u1eb5n b\u01b0\u1edbc gi\u00e1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- Check ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng (Limit offser) >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- L\u1ec7nh xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean, lo\u1ea1i l\u1ec7nh LO<\/li>\n
- L\u1ec7nh m\u1edbi \u0111\u1eb7t \u1edf tr\u1ea1ng th\u00e1i \u201cCh\u1edd k\u00edch ho\u1ea1t\u201d<\/li>\n<\/ul>\n
C\u00e1c b\u01b0\u1edbc \u0111\u1eb7t l\u1ec7nh<\/strong><\/h4>\nD\u00e0nh cho phi\u00ean b\u1ea3n web<\/h5>\n
B\u01b0\u1edbc 1:<\/strong> Ch\u1ecdn \u201cTrailing sell\u201d<\/p>\nB\u01b0\u1edbc 2:<\/strong> Nh\u1eadp th\u00f4ng tin l\u1ec7nh: M\u00e3 H\u0110, Bi\u00ean \u0111\u1ed9, B\u01b0\u1edbc gi\u00e1, S\u1ed1 l\u01b0\u1ee3ng<\/p>\n<\/p>\n
\n\n\nT\u00ean tr\u01b0\u1eddng<\/strong><\/span><\/td>\nM\u00f4 t\u1ea3 chi ti\u1ebft<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n\n\nL\u1ec7nh \u0111i\u1ec1u ki\u1ec7n<\/td>\n Ch\u1ecdn lo\u1ea1i l\u1ec7nh l\u00e0 Trailing Sell<\/td>\n<\/tr>\n \nB\u00e1n<\/td>\n Hi\u1ec3n th\u1ecb v\u00f9ng \u0111\u1eb7t l\u1ec7nh b\u00ean B\u00e1n<\/p>\n\n- V\u00f9ng hi\u1ec3n th\u1ecb n\u00fat B\u00e1n m\u00e0u h\u1ed3ng l\u00e0 v\u00f9ng B\u00e1n<\/li>\n
- Disable v\u00f9ng \u0111\u1eb7t l\u1ec7nh Mua<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nBi\u00ean \u0111\u1ed9<\/td>\n L\u00e0 gi\u00e1 tr\u1ecb ch\u00eanh l\u1ec7ch gi\u1eef gi\u00e1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng: thi\u1ebft l\u1eadp gi\u00e1 k\u00edch ho\u1ea1t cao h\u01a1n gi\u00e1 th\u1ecb tr\u01b0\u1eddng<\/p>\n\n- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 2.3 \u2013 hai ph\u1ea9y 3 \u0111i\u1ec3m)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > 0 v\u00e0 l\u1ebb sau d\u1ea5u ph\u1ea9y 1 \u0111\u01a1n v\u1ecb<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nB\u01b0\u1edbc gi\u00e1<\/td>\n \u0110\u1ed9 ch\u00eanh l\u1ec7ch b\u01b0\u1edbc gi\u00e1 gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m k\u00edch ho\u1ea1t l\u1ec7nh<\/p>\n\n- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 0.2 \u2013 kh\u00f4ng ch\u1ea5m hai)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb >= 0<\/li>\n
- M\u1eb7c \u0111\u1ecbnh l\u00e0 0.0<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\nS\u1ed1 l\u01b0\u1ee3ng<\/td>\n Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1eb7t l\u1ec7nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nB\u01b0\u1edbc 3<\/strong>: Nh\u1ea5n n\u00fat \u201cB\u00e1n\u201d tr\u00ean m\u00e0n h\u00ecnh nh\u1eadp l\u1ec7nh, hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh \u201cX\u00e1c nh\u1eadn l\u1ec7nh\u201d<\/p>\n\n- T\u1ea1i m\u00e0n h\u00ecnh \u201cX\u00e1c nh\u1eadn l\u1ec7nh\u201d: Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn b\u00e1n\u201d, n\u1ebfu kh\u00e1ch h\u00e0ng ch\u01b0a th\u1ef1c hi\u1ec7n x\u00e1c nh\u1eadn PIN \u0111\u1eb7t l\u1ec7nh, h\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh X\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
\n- Nh\u1eadp PIN \u0111\u1eb7t l\u1ec7nh, b\u1ea5m n\u00fat \u201cX\u00e1c nh\u1eadn\u201d \u0111\u1ec3 ho\u00e0n t\u1ea5t \u0111\u1eb7t l\u1ec7nh, l\u1ec7nh \u0111\u1eb7t th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00f3 th\u00f4ng b\u00e1o \u201c\u0110\u00e3 g\u1eedi y\u00eau c\u1ea7u. Xin vui l\u00f2ng ki\u1ec3m tra l\u1ea1i s\u1ed5 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n !\u201d<\/li>\n<\/ul>\n
D\u00e0nh cho phi\u00ean b\u1ea3n mobile<\/h5>\n
B\u01b0\u1edbc 1<\/strong>: Ch\u1ecdn \u201cTrailing sell\u201d<\/p>\nB\u01b0\u1edbc 2<\/strong>: Nh\u1eadp th\u00f4ng tin l\u1ec7nh: M\u00e3 H\u0110, Bi\u00ean \u0111\u1ed9, B\u01b0\u1edbc gi\u00e1, S\u1ed1 l\u01b0\u1ee3ng<\/p>\n<\/p>\n
B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n n\u00fat \u201cB\u00e1n\u201d \u0111\u1ec3 \u0111\u1eb7t l\u1ec7nh \u2192 Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o \u201c\u0110\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"L\u1ec7nh Trailing Buy (L\u1ec7nh Mua xu h\u01b0\u1edbng) Kh\u00e1i ni\u1ec7m L\u00e0 l\u1ec7nh…<\/p>\n","protected":false},"author":1,"featured_media":2743,"template":"","acf":[],"_links":{"self":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/ysedu\/2159"}],"collection":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/ysedu"}],"about":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/types\/ysedu"}],"author":[{"embeddable":true,"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/media\/2743"}],"wp:attachment":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/media?parent=2159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t<\/h4>\n
Quy \u01b0\u1edbc k\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c nh\u01b0 sau:<\/p>\n
- \n
- f(x): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh<\/li>\n
- f(x-1): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3<\/li>\n
- P: l\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t, t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u phi\u00ean giao d\u1ecbch gi\u00e1 th\u1ecb tr\u01b0\u1eddng P(0) b\u1eb1ng gi\u00e1 tham chi\u1ebfu<\/li>\n
- D: l\u00e0 bi\u00ean \u0111\u1ed9 t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t = gi\u00e1 tr\u1ecb nh\u1eadp v\u00e0o (1, 2, 3, \u2026)<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh Mua:<\/h4>\n
- \n
- Gi\u00e1 k\u00edch ho\u1ea1t th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u:<\/strong> f(0) = P(0) + D<\/li>\n
- Gi\u00e1 k\u00edch ho\u1ea1t:<\/strong> f(x) = MIN[f(x-1); P + D] (\u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean)<\/li>\n
- \u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t: f(x) <= P, hay MIN[f(x-1); P + D] – P <= 0 (l\u1ec7nh \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng >= gi\u00e1 k\u00edch ho\u1ea1t)<\/li>\n<\/ul>\n
V\u00ed d\u1ee5<\/h4>\n
L\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Buy: Mua ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 n\u1eafm gi\u1eef v\u1ecb th\u1ebf B\u00e1n<\/p>\n
Nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef 1 v\u1ecb th\u1ebf B\u00e1n 1 H\u0110LT m\u00e3 VN30F1809 t\u1ea1i m\u1ee9c gi\u00e1 v\u1ed1n = 905. Nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f3 th\u1eddi gian theo d\u00f5i th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u1ea7n ch\u1ed1t l\u00e3i v\u1ecb th\u1ebf b\u00e1n \u0111ang c\u00f3 n\u00ean \u0111\u1eb7t 1 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Buy: Mua 1 H\u0110TL VN30F1809 v\u1edbi bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t D = 2 v\u00e0 b\u01b0\u1edbc gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh = 0.2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i nh\u01b0 sau:<\/p>\n
\n\n
\n Th\u1eddi \u0111i\u1ec3m<\/span><\/td>\n 1<\/td>\n 2<\/td>\n 3<\/td>\n 4<\/td>\n 5<\/td>\n<\/tr>\n \n Gi\u00e1 th\u1ecb tr\u01b0\u1eddng (P<\/em><\/strong>)<\/span><\/td>\n 904<\/td>\n 900<\/td>\n 901<\/td>\n 900<\/td>\n 902<\/td>\n<\/tr>\n \n Bi\u00ean \u0111\u1ed9<\/u> (D)<\/em><\/strong><\/span><\/td>\n 2<\/td>\n 2<\/td>\n 2<\/td>\n 2<\/td>\n 2<\/td>\n<\/tr>\n \n Gi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh f(x)<\/em><\/strong><\/span><\/td>\n 906<\/td>\n 902<\/td>\n 902<\/td>\n 902<\/td>\n 902<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng: P(1) = 904 => gi\u00e1 k\u00edch ho\u1ea1t ban \u0111\u1ea7u: f(1) = P(1) + D = 904 + 2 = 906<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(2) = 900 => gi\u00e1 k\u00edch ho\u1ea1t:\u00a0 f(2) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(1); P(2) + D] = Min(906; 900 + 2) = 902<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(4) = 901 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Min[(f(2); P(3) + D) = Min (902;903) = 902<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng gi\u1ea3m: P(4) = 900 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(3); P(4) + D] = Min(902; 900 + 2) = 902<\/li>\n<\/ul>\n
- \n
- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m, gi\u00e1 th\u1ecb tr\u01b0\u1eddng ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 902 = f(4) => l\u1ec7nh Trailing Buy \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh Mua LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) + 0.2 = 902 + 0.2 = 902.2 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c<\/h4>\n
- \n
- Th\u1eddi \u0111i\u1ec3m \u0111\u1eb7t l\u1ec7nh xu h\u01b0\u1edbng kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n (KL Mua\/B\u00e1n t\u1ed1i \u0111a, \u2026)<\/li>\n
- Ki\u1ec3m tra bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t ph\u1ea3i (Trailing Amount) > 0, v\u00e0 ph\u1ea3i ch\u1eb5n b\u01b0\u1edbc gi\u00e1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- Ki\u1ec3m tra ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng (Limit offser) >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- L\u1ec7nh xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean, lo\u1ea1i l\u1ec7nh LO<\/li>\n
- L\u1ec7nh m\u1edbi \u0111\u1eb7t \u1edf tr\u1ea1ng th\u00e1i \u201cCh\u1edd k\u00edch ho\u1ea1t\u201d<\/li>\n<\/ul>\n
C\u00e1c b\u01b0\u1edbc \u0111\u1eb7t l\u1ec7nh<\/strong><\/h4>\n
a. D\u00e0nh cho phi\u00ean b\u1ea3n web<\/h5>\n
B\u01b0\u1edbc 1:<\/strong> Ch\u1ecdn \u201cTrailing Buy\u201d<\/p>\n
B\u01b0\u1edbc 2:<\/strong> Nh\u1eadp c\u00e1c th\u00f4ng tin \u0111\u1eb7t l\u1ec7nh: M\u00e3 H\u0110, bi\u00ean \u0111\u1ed9, b\u01b0\u1edbc gi\u00e1, s\u1ed1 l\u01b0\u1ee3ng<\/p>\n
<\/p>\n<\/p>\n
\n\n
\n T\u00ean tr\u01b0\u1eddng<\/strong><\/span><\/td>\n M\u00f4 t\u1ea3 chi ti\u1ebft<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n\n \n L\u1ec7nh \u0111i\u1ec1u ki\u1ec7n<\/td>\n Trailing Buy<\/td>\n<\/tr>\n \n Mua<\/td>\n Hi\u1ec3n th\u1ecb v\u00f9ng \u0111\u1eb7t l\u1ec7nh b\u00ean Mua<\/p>\n - \n
- V\u00f9ng hi\u1ec3n th\u1ecb n\u00fat Mua m\u00e0u xanh l\u00e0 v\u00f9ng Mua<\/li>\n
- Disable v\u00f9ng \u0111\u1eb7t l\u1ec7nh B\u00e1n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n Bi\u00ean \u0111\u1ed9<\/td>\n L\u00e0 gi\u00e1 tr\u1ecb ch\u00eanh l\u1ec7ch gi\u1eef gi\u00e1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng: thi\u1ebft l\u1eadp gi\u00e1 k\u00edch ho\u1ea1t cao h\u01a1n gi\u00e1 th\u1ecb tr\u01b0\u1eddng<\/p>\n - \n
- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 2.3 \u2013 hai ph\u1ea9y 3 \u0111i\u1ec3m)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > 0 v\u00e0 l\u1ebb sau d\u1ea5u ph\u1ea9y 1 \u0111\u01a1n v\u1ecb<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n B\u01b0\u1edbc gi\u00e1<\/td>\n \n \u0110\u1ed9 ch\u00eanh l\u1ec7ch b\u01b0\u1edbc gi\u00e1 gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m k\u00edch ho\u1ea1t l\u1ec7nh<\/p>\n
- \n
- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 0.2 \u2013 kh\u00f4ng ch\u1ea5m hai)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > =0<\/li>\n
- M\u1eb7c \u0111\u1ecbnh l\u00e0 0.0<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n S\u1ed1 l\u01b0\u1ee3ng<\/td>\n Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1eb7t l\u1ec7nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn mua\u201d<\/p>\n
<\/p>\nTh\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u \u0111\u1eb7t l\u1ec7nh n\u1ebfu kh\u00e1ch h\u00e0ng ch\u01b0a x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u kh\u1ea9u \u0111\u1eb7t l\u1ec7nh tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n
<\/p>\nNh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn\u201d \u0111\u1ec3 ho\u00e0n t\u1ea5t vi\u1ec7c \u0111\u1eb7t l\u1ec7nh., khi \u0111\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00f3 th\u00f4ng b\u00e1o \u201c\u0110\u00e3 g\u1eedi y\u00eau c\u1ea7u. Xin vui l\u00f2ng ki\u1ec3m ra l\u1ea1i s\u1ed5 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n!\u201d<\/p>\n
b. D\u00e0nh cho phi\u00ean b\u1ea3n mobile<\/h5>\n
B\u01b0\u1edbc 1: <\/strong>Ch\u1ecdn \u201cTrailing Buy\u201d<\/p>\n
B\u01b0\u1edbc 2: <\/strong>Nh\u1eadp c\u00e1c th\u00f4ng tin \u0111\u1eb7t l\u1ec7nh: M\u00e3 H\u0110, bi\u00ean \u0111\u1ed9, b\u01b0\u1edbc gi\u00e1, s\u1ed1 l\u01b0\u1ee3ng<\/p>\n
<\/p>\nB\u01b0\u1edbc 3: <\/strong>Nh\u1ea5n n\u00fat \u201cMua\u201d \u0111\u1ec3 \u0111\u1eb7t l\u1ec7nh \u2192 Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o \u201c\u0110\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng\u201d<\/p>\n
L\u1ec7nh Trailing Sell (L\u1ec7nh B\u00e1n xu h\u01b0\u1edbng)<\/h3>\n
Kh\u00e1i ni\u1ec7m<\/h4>\n
L\u00e0 l\u1ec7nh B\u00e1n xu h\u01b0\u1edbng v\u1edbi gi\u00e1 B\u00e1n b\u00e1m s\u00e1t xu th\u1ebf t\u0103ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 B\u00e1n t\u1ed1t nh\u1ea5t. Khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean. Khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng v\u01b0\u1ee3t d\u01b0\u1edbi ng\u01b0\u1ee1ng (<=) gi\u00e1 k\u00edch ho\u1ea1t th\u00ec l\u1ec7nh s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n
- \n
- Trailing amount: l\u00e0 bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh. T\u1ea1i th\u1eddi \u0111i\u1ec3m gi\u00e1 th\u1ecb tr\u01b0\u1eddng <= gi\u00e1 k\u00edch ho\u1ea1t th\u00ec \u0111\u1ea9y 1 l\u1ec7nh LO v\u1edbi gi\u00e1 \u0111\u1eb7t<\/strong> = gi\u00e1 th\u1ecb tr\u01b0\u1eddng – m\u1ee9c gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh \u201cLimit offset\u201d<\/em> v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n
- Limit offset: l\u00e0 gi\u00e1 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u1ec7nh k\u00edch ho\u1ea1t. M\u1ee9c gi\u00e1 ch\u00eanh l\u1ec7ch >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n
M\u1ee5c \u0111\u00edch c\u1ee7a l\u1ec7nh<\/strong><\/h4>\n
- \n
- B\u00e1n ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Long<\/li>\n
- B\u00e1n d\u1eebng l\u1ed7 t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Long<\/li>\n
- M\u1edf m\u1edbi v\u1ecb th\u1ebf Short v\u1edbi gi\u00e1 b\u00e1n t\u1ed1i \u01b0u \u0111\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh<\/strong><\/h4>\n
Quy \u01b0\u1edbc k\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c nh\u01b0 sau:<\/p>\n
- \n
- f(x): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t l\u1ec7nh<\/li>\n
- f(x-1): l\u00e0 gi\u00e1 k\u00edch ho\u1ea1t \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3<\/li>\n
- P: l\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t, t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u phi\u00ean giao d\u1ecbch gi\u00e1 th\u1ecb tr\u01b0\u1eddng P(0) b\u1eb1ng gi\u00e1 tham chi\u1ebfu<\/li>\n
- D: l\u00e0 bi\u00ean \u0111\u1ed9 t\u00ednh gi\u00e1 k\u00edch ho\u1ea1t = gi\u00e1 tr\u1ecb nh\u1eadp v\u00e0o (1, 2, 3, \u2026)<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u1ec7nh B\u00e1n:<\/p>\n
- \n
- Gi\u00e1 k\u00edch ho\u1ea1t th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u: f(0) = P(0) – D<\/li>\n
- Gi\u00e1 k\u00edch ho\u1ea1t: f(x) = MAX[f(x-1), P – D] (\u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean)<\/li>\n
- \u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t: f(x) >= P, hay MAX[f(x-1), P + D] – P >= 0 (l\u1ec7nh \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng <= gi\u00e1 k\u00edch ho\u1ea1t)<\/li>\n<\/ul>\n
V\u00ed d\u1ee5<\/strong><\/h4>\n
L\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Sell: B\u00e1n ch\u1ed1t l\u00e3i t\u1ef1 \u0111\u1ed9ng khi nh\u00e0 \u0111\u1ea7u t\u01b0 n\u1eafm gi\u1eef v\u1ecb th\u1ebf Mua<\/p>\n
Nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang n\u1eafm gi\u1eef v\u1ecb th\u1ebf Mua<\/em><\/strong> 1 H\u0110LT m\u00e3 VN30F1809 t\u1ea1i m\u1ee9c gi\u00e1 v\u1ed1n = 905. Nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f3 th\u1eddi gian theo d\u00f5i th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u1ea7n ch\u1ed1t l\u00e3i v\u1ecb th\u1ebf Mua \u0111ang c\u00f3 n\u00ean \u0111\u1eb7t 1 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n Trailing Sell: B\u00e1n 1 H\u0110TL VN30F1809 v\u1edbi bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t D = 3 v\u00e0 b\u01b0\u1edbc gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh = 0.1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i nh\u01b0 sau:<\/p>\n
\n\n
\n Th\u1eddi \u0111i\u1ec3m<\/span><\/td>\n 1<\/td>\n 2<\/td>\n 3<\/td>\n 4<\/td>\n 5<\/td>\n<\/tr>\n \n Gi\u00e1 th\u1ecb tr\u01b0\u1eddng (P<\/em><\/strong>)<\/span><\/td>\n 908<\/td>\n 910<\/td>\n 909<\/td>\n 914<\/td>\n 911<\/td>\n<\/tr>\n \n Bi\u00ean \u0111\u1ed9 (D)<\/em><\/strong><\/span><\/td>\n 3<\/td>\n 3<\/td>\n 3<\/td>\n 3<\/td>\n 3<\/td>\n<\/tr>\n \n Gi\u00e1 k\u00edch ho\u1ea1t f(x)<\/em><\/strong><\/span><\/td>\n 905<\/td>\n 907<\/td>\n 907<\/td>\n 911<\/td>\n 911<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng: P(1) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(1) = P(1) – D = 908 – 3 = 905<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(2) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(2) = Max[f(x-1), P – D ] = Max[f(1); P(2) \u2013 D] = Max(905; 910 \u2013 3) = 907<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(3) = 909 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Max[f(x-1), P – D ] = Max[(f(2); P(3) – D) = Max(907; 909 – 3) = 907<\/li>\n<\/ul>\n
- \n
- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng t\u0103ng: P(4) = 914 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = Max[f(x-1), P – D ] = Max[(f(3); P(4) – D) = Max(907; 914 \u2013 3) = 911<\/li>\n<\/ul>\n
- \n
- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m 5, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 911 = f(4) => l\u1ec7nh Trailing Sell \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh B\u00e1n LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) – 0.1 = 911 – 0.1 = 910.9 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
\u0110i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c<\/strong><\/h4>\n
- \n
- Th\u1eddi \u0111i\u1ec3m \u0111\u1eb7t l\u1ec7nh xu h\u01b0\u1edbng kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n (KL Mua\/B\u00e1n t\u1ed1i \u0111a,\u2026)<\/li>\n
- Check bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t ph\u1ea3i (Trailing Amount) > 0, v\u00e0 ph\u1ea3i ch\u1eb5n b\u01b0\u1edbc gi\u00e1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- Check ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng (Limit offser) >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n
- L\u1ec7nh xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean, lo\u1ea1i l\u1ec7nh LO<\/li>\n
- L\u1ec7nh m\u1edbi \u0111\u1eb7t \u1edf tr\u1ea1ng th\u00e1i \u201cCh\u1edd k\u00edch ho\u1ea1t\u201d<\/li>\n<\/ul>\n
C\u00e1c b\u01b0\u1edbc \u0111\u1eb7t l\u1ec7nh<\/strong><\/h4>\n
D\u00e0nh cho phi\u00ean b\u1ea3n web<\/h5>\n
B\u01b0\u1edbc 1:<\/strong> Ch\u1ecdn \u201cTrailing sell\u201d<\/p>\n
B\u01b0\u1edbc 2:<\/strong> Nh\u1eadp th\u00f4ng tin l\u1ec7nh: M\u00e3 H\u0110, Bi\u00ean \u0111\u1ed9, B\u01b0\u1edbc gi\u00e1, S\u1ed1 l\u01b0\u1ee3ng<\/p>\n
<\/p>\n\n\n
\n T\u00ean tr\u01b0\u1eddng<\/strong><\/span><\/td>\n M\u00f4 t\u1ea3 chi ti\u1ebft<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n\n \n L\u1ec7nh \u0111i\u1ec1u ki\u1ec7n<\/td>\n Ch\u1ecdn lo\u1ea1i l\u1ec7nh l\u00e0 Trailing Sell<\/td>\n<\/tr>\n \n B\u00e1n<\/td>\n Hi\u1ec3n th\u1ecb v\u00f9ng \u0111\u1eb7t l\u1ec7nh b\u00ean B\u00e1n<\/p>\n - \n
- V\u00f9ng hi\u1ec3n th\u1ecb n\u00fat B\u00e1n m\u00e0u h\u1ed3ng l\u00e0 v\u00f9ng B\u00e1n<\/li>\n
- Disable v\u00f9ng \u0111\u1eb7t l\u1ec7nh Mua<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n Bi\u00ean \u0111\u1ed9<\/td>\n L\u00e0 gi\u00e1 tr\u1ecb ch\u00eanh l\u1ec7ch gi\u1eef gi\u00e1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng: thi\u1ebft l\u1eadp gi\u00e1 k\u00edch ho\u1ea1t cao h\u01a1n gi\u00e1 th\u1ecb tr\u01b0\u1eddng<\/p>\n - \n
- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 2.3 \u2013 hai ph\u1ea9y 3 \u0111i\u1ec3m)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb > 0 v\u00e0 l\u1ebb sau d\u1ea5u ph\u1ea9y 1 \u0111\u01a1n v\u1ecb<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n B\u01b0\u1edbc gi\u00e1<\/td>\n \u0110\u1ed9 ch\u00eanh l\u1ec7ch b\u01b0\u1edbc gi\u00e1 gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m k\u00edch ho\u1ea1t l\u1ec7nh<\/p>\n - \n
- Cho ph\u00e9p nh\u1eadp gi\u00e1 tr\u1ecb (\u0111\u01a1n v\u1ecb gi\u00e1 l\u00e0 \u0111i\u1ec3m ch\u1ec9 s\u1ed1, VD: 0.2 \u2013 kh\u00f4ng ch\u1ea5m hai)<\/li>\n
- Ch\u1ec9 ch\u1ea5p nh\u1eadn gi\u00e1 tr\u1ecb >= 0<\/li>\n
- M\u1eb7c \u0111\u1ecbnh l\u00e0 0.0<\/li>\n
- Cho ph\u00e9p d\u00f9ng Scroll, m\u0169i t\u00ean l\u00ean\/xu\u1ed1ng (tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c b\u00e0n ph\u00edm) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n S\u1ed1 l\u01b0\u1ee3ng<\/td>\n Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1eb7t l\u1ec7nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n B\u01b0\u1edbc 3<\/strong>: Nh\u1ea5n n\u00fat \u201cB\u00e1n\u201d tr\u00ean m\u00e0n h\u00ecnh nh\u1eadp l\u1ec7nh, hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh \u201cX\u00e1c nh\u1eadn l\u1ec7nh\u201d<\/p>\n
- \n
- T\u1ea1i m\u00e0n h\u00ecnh \u201cX\u00e1c nh\u1eadn l\u1ec7nh\u201d: Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn b\u00e1n\u201d, n\u1ebfu kh\u00e1ch h\u00e0ng ch\u01b0a th\u1ef1c hi\u1ec7n x\u00e1c nh\u1eadn PIN \u0111\u1eb7t l\u1ec7nh, h\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh X\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n<\/li>\n<\/ul>\n<\/p>\n<\/p>\n
- \n
- Nh\u1eadp PIN \u0111\u1eb7t l\u1ec7nh, b\u1ea5m n\u00fat \u201cX\u00e1c nh\u1eadn\u201d \u0111\u1ec3 ho\u00e0n t\u1ea5t \u0111\u1eb7t l\u1ec7nh, l\u1ec7nh \u0111\u1eb7t th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00f3 th\u00f4ng b\u00e1o \u201c\u0110\u00e3 g\u1eedi y\u00eau c\u1ea7u. Xin vui l\u00f2ng ki\u1ec3m tra l\u1ea1i s\u1ed5 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n !\u201d<\/li>\n<\/ul>\n
D\u00e0nh cho phi\u00ean b\u1ea3n mobile<\/h5>\n
B\u01b0\u1edbc 1<\/strong>: Ch\u1ecdn \u201cTrailing sell\u201d<\/p>\n
B\u01b0\u1edbc 2<\/strong>: Nh\u1eadp th\u00f4ng tin l\u1ec7nh: M\u00e3 H\u0110, Bi\u00ean \u0111\u1ed9, B\u01b0\u1edbc gi\u00e1, S\u1ed1 l\u01b0\u1ee3ng<\/p>\n
<\/p>\nB\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n n\u00fat \u201cB\u00e1n\u201d \u0111\u1ec3 \u0111\u1eb7t l\u1ec7nh \u2192 Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o \u201c\u0110\u1eb7t l\u1ec7nh th\u00e0nh c\u00f4ng\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"
L\u1ec7nh Trailing Buy (L\u1ec7nh Mua xu h\u01b0\u1edbng) Kh\u00e1i ni\u1ec7m L\u00e0 l\u1ec7nh…<\/p>\n","protected":false},"author":1,"featured_media":2743,"template":"","acf":[],"_links":{"self":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/ysedu\/2159"}],"collection":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/ysedu"}],"about":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/types\/ysedu"}],"author":[{"embeddable":true,"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/media\/2743"}],"wp:attachment":[{"href":"https:\/\/support.yuanta.com.vn\/zh-hant\/wp-json\/wp\/v2\/media?parent=2159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- Nh\u1eadp PIN \u0111\u1eb7t l\u1ec7nh, b\u1ea5m n\u00fat \u201cX\u00e1c nh\u1eadn\u201d \u0111\u1ec3 ho\u00e0n t\u1ea5t \u0111\u1eb7t l\u1ec7nh, l\u1ec7nh \u0111\u1eb7t th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00f3 th\u00f4ng b\u00e1o \u201c\u0110\u00e3 g\u1eedi y\u00eau c\u1ea7u. Xin vui l\u00f2ng ki\u1ec3m tra l\u1ea1i s\u1ed5 l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n !\u201d<\/li>\n<\/ul>\n
- T\u1ea1i m\u00e0n h\u00ecnh \u201cX\u00e1c nh\u1eadn l\u1ec7nh\u201d: Nh\u1ea5n n\u00fat \u201cX\u00e1c nh\u1eadn b\u00e1n\u201d, n\u1ebfu kh\u00e1ch h\u00e0ng ch\u01b0a th\u1ef1c hi\u1ec7n x\u00e1c nh\u1eadn PIN \u0111\u1eb7t l\u1ec7nh, h\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh X\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n<\/li>\n<\/ul>\n
- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m 5, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 911 = f(4) => l\u1ec7nh Trailing Sell \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh B\u00e1n LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) – 0.1 = 911 – 0.1 = 910.9 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng t\u0103ng: P(4) = 914 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = Max[f(x-1), P – D ] = Max[(f(3); P(4) – D) = Max(907; 914 \u2013 3) = 911<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(3) = 909 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Max[f(x-1), P – D ] = Max[(f(2); P(3) – D) = Max(907; 909 – 3) = 907<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(2) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(2) = Max[f(x-1), P – D ] = Max[f(1); P(2) \u2013 D] = Max(905; 910 \u2013 3) = 907<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 1, gi\u00e1 th\u1ecb tr\u01b0\u1eddng: P(1) = 910 => gi\u00e1 k\u00edch ho\u1ea1t: f(1) = P(1) – D = 908 – 3 = 905<\/li>\n<\/ul>\n
- Limit offset: l\u00e0 gi\u00e1 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 \u0111\u1eb7t l\u1ec7nh so v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u1ec7nh k\u00edch ho\u1ea1t. M\u1ee9c gi\u00e1 ch\u00eanh l\u1ec7ch >= 0 v\u00e0 ch\u1eb5n theo b\u01b0\u1edbc gi\u00e1 quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n
- Trailing amount: l\u00e0 bi\u00ean \u0111\u1ed9 gi\u00e1 k\u00edch ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh. T\u1ea1i th\u1eddi \u0111i\u1ec3m gi\u00e1 th\u1ecb tr\u01b0\u1eddng <= gi\u00e1 k\u00edch ho\u1ea1t th\u00ec \u0111\u1ea9y 1 l\u1ec7nh LO v\u1edbi gi\u00e1 \u0111\u1eb7t<\/strong> = gi\u00e1 th\u1ecb tr\u01b0\u1eddng – m\u1ee9c gi\u00e1 \u0111i\u1ec1u ch\u1ec9nh \u201cLimit offset\u201d<\/em> v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n
- \u0110\u1ebfn th\u1eddi \u0111i\u1ec3m, gi\u00e1 th\u1ecb tr\u01b0\u1eddng ch\u1ea1m gi\u00e1 k\u00edch ho\u1ea1t: P(5) = 902 = f(4) => l\u1ec7nh Trailing Buy \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1ea9y 1 l\u1ec7nh Mua LO 1 H\u0110TL VN30F1809 v\u1edbi gi\u00e1 \u0111\u1eb7t l\u1ec7nh = P(5) + 0.2 = 902 + 0.2 = 902.2 v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 4, gi\u00e1 th\u1ecb tr\u01b0\u1edfng gi\u1ea3m: P(4) = 900 => gi\u00e1 k\u00edch ho\u1ea1t: f(4) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(3); P(4) + D] = Min(902; 900 + 2) = 902<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 3, gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng: P(4) = 901 => gi\u00e1 k\u00edch ho\u1ea1t: f(3) = Min[(f(2); P(3) + D) = Min (902;903) = 902<\/li>\n<\/ul>\n
- Th\u1eddi \u0111i\u1ec3m 2, gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m: P(2) = 900 => gi\u00e1 k\u00edch ho\u1ea1t:\u00a0 f(2) = <\/em><\/strong>Min[f(x-1); P + D ] = Min[(f(1); P(2) + D] = Min(906; 900 + 2) = 902<\/li>\n<\/ul>\n
- Gi\u00e1 k\u00edch ho\u1ea1t:<\/strong> f(x) = MIN[f(x-1); P + D] (\u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, gi\u00e1 k\u00edch ho\u1ea1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 gi\u00e1 \u201cTrailing amount\u201d; khi gi\u00e1 th\u1ecb tr\u01b0\u1eddng t\u0103ng, gi\u00e1 k\u00edch ho\u1ea1t gi\u1eef nguy\u00ean)<\/li>\n
- Gi\u00e1 k\u00edch ho\u1ea1t th\u1eddi \u0111i\u1ec3m ban \u0111\u1ea7u:<\/strong> f(0) = P(0) + D<\/li>\n
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