{"id":1171,"date":"2025-07-07T15:56:24","date_gmt":"2025-07-07T15:56:24","guid":{"rendered":"https:\/\/blog.ngocha.biz\/?p=1171"},"modified":"2026-05-27T18:23:10","modified_gmt":"2026-05-27T18:23:10","slug":"sieu-co-phieu-p3-loi-nhuan-va-rui-ro","status":"publish","type":"post","link":"https:\/\/blog.ngocha.biz\/?p=1171","title":{"rendered":"Si\u00eau c\u1ed5 phi\u1ebfu: P3 \u2013 L\u1ee3i nhu\u1eadn v\u00e0 r\u1ee7i ro"},"content":{"rendered":"

Khi ch\u00fang ta \u0111\u1eb7t m\u1ed9t l\u1ec7nh cho d\u00f9 quy\u1ebft \u0111\u1ecbnh n\u00e0y \u0111\u1ebfn t\u1eeb ph\u00e2n t\u00edch c\u01a1 b\u1ea3n, ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt hay c\u1ea3 hai th\u00ec ta \u0111\u1ec1u ph\u1ea3i x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 r\u1ee7i ro\/ph\u1ea7n th\u01b0\u1edfng (Risk\/Reward). V\u00ed d\u1ee5 gi\u00e1 \u0111ang l\u00e0 10.000\u0111, n\u1ebfu cp t\u0103ng l\u00ean 12.000\u0111 nh\u01b0 ta d\u1ef1 \u0111o\u00e1n th\u00ec ta s\u1ebd c\u00f3 ph\u1ea7n thw\u1ecfng 2.000\u0111; nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m v\u1ec1 9.000\u0111 (l\u00e0 gi\u00e1 m\u00e0 ta s\u1ebd c\u1eaft l\u1ed7) th\u00ec kho\u1ea3n m\u1ea5t \u0111i l\u00e0 1.000\u0111 t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1ef7 l\u1ec7 Risk\/Reward = 1\/2<\/p>\n

N\u1ebfu m\u1ed9t c\u1ed5 phi\u1ebfu \u0111ang l\u00e0 gi\u00e1 10.000\u0111, c\u00f3 kh\u00e1ng c\u1ef1 tr\u00ean l\u00e0 12.000\u0111 v\u00e0 c\u00f3 h\u1ed7 tr\u1ee3 d\u01b0\u1edbi l\u00e0 10.000\u0111 th\u00ec r\u1ee7i ro ch\u1ec9 c\u00f2n l\u1ea1i l\u00e0 m\u1ea5t bao l\u00e2u \u0111\u1ec3 n\u00f3 t\u0103ng l\u00ean gi\u00e1 m\u1ee5c ti\u00eau.<\/p>\n

Cho d\u00f9 theo h\u00ecnh th\u1ee9c n\u00e0o th\u00ec b\u1ea1n c\u0169ng ph\u1ea3i ch\u1ecdn \u0111\u01b0\u1ee3c cp m\u00e0 c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng\/thua cao; v\u00ed d\u1ee5 ti\u1ec1m n\u0103ng t\u0103ng 5000\u0111 nh\u01b0ng gi\u1ea3m gi\u00e1 ch\u1ec9 1000\u0111.<\/p>\n

Nh\u01b0 entry tr\u01b0\u1edbc ta \u0111\u1ec1 c\u1eadp th\u00ec m\u1ed9t si\u00eau c\u1ed5 phi\u1ebfu tr\u01b0\u1edbc khi n\u00f3 t\u0103ng b\u1eb1ng l\u1ea7n th\u00ec n\u00f3 ph\u1ea3i \u0111ang dao \u0111\u1ed9ng trong m\u1ed9t bi\u00ean h\u1eb9p \u1edf \u0111\u1ea5y; h\u1ea7u nh\u01b0 ch\u01b0a bao gi\u1edd n\u00f3 ph\u00e1 c\u00e1i gi\u00e1 h\u1ed7 tr\u1ee3 \u0111\u00f3. M\u1ed9t cp \u0111ang c\u00f3 gi\u00e1 10.000\u0111 v\u00e0 n\u00f3 c\u00f3 gi\u00e1 h\u1ed7 tr\u1ee3 ch\u01b0a bao gi\u1edd b\u1ecb ph\u00e1 v\u1ee1 l\u00e0 9.000\u0111; ta t\u00ecm hi\u1ec3u kh\u1ea3 n\u0103ng n\u00f3 s\u1ebd t\u0103ng l\u00ean 20.000\u0111 trong v\u00f2ng 1 n\u0103m n\u1eefa th\u00ec qu\u1ea3 l\u00e0 \u0111\u00e1ng \u0111\u1ec3 \u0111\u1ea7u t\u01b0.<\/p>\n

Ph\u1ea7n th\u01b0\u1edfng\/ph\u1ea7n r\u1ee7i ro c\u00e0ng cao c\u00e0ng t\u1ed1t; so s\u00e1nh gi\u1eefa hai c\u1ed5 phi\u1ebfu c\u00f3 c\u00f9ng kh\u1ea3 n\u0103ng t\u0103ng gi\u00e1 th\u00ec t\u1ef7 l\u1ec7 n\u00e0o c\u00e0ng cao th\u00ec c\u00e0ng \u0111\u00e1ng \u0111\u1ec3 \u0111\u1ea7u t\u01b0.<\/p>\n

V\u1ec1 logic ai c\u0169ng mu\u1ed1n mua cp c\u00f3 m\u1ee9c r\u1ee7i ro th\u1ea5p trong khi ph\u1ea7n th\u01b0\u1edfng l\u1ea1i l\u1edbn. Nh\u01b0ng giao d\u1ecbch mua c\u1ee7a ch\u00fang ta \u0111a ph\u1ea7n l\u1ea1i b\u1ecb d\u1eabn h\u01b0\u1edbng b\u1edfi c\u00e1c cty ch\u1ee9ng kho\u00e1n, c\u00e1c youtuber, c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 l\u1edbn c\u1ed9ng v\u1edbi vi\u1ec7c ki\u1ec3m so\u00e1t c\u1ea3m x\u00fac kh\u00f4ng t\u1ed1t c\u1ee7a ch\u00fang ta. M\u1ed9t cp ti\u1ec1m n\u0103ng ph\u1ea3i c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u1ea5p, th\u1ea5p h\u01a1n trung b\u00ecnh 20 tu\u1ea7n c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t. M\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 ng\u01b0\u1eddi ta ch\u00fa \u00fd v\u00e0o n\u00f3 th\u00ec kh\u1ed1i l\u01b0\u1ee3ng s\u1ebd t\u0103ng l\u00ean v\u00e0 gi\u00e1 s\u1ebd t\u0103ng l\u00ean. Khi c\u1ea3 l\u00e0ng \u0111\u1ec1u bi\u1ebft th\u00ec ta m\u1edbi mua th\u00ec \u0111\u00e3 mu\u1ed9n r\u1ed3i.<\/p>\n

B\u1ea1n s\u1ebd c\u1ea7n mua khi m\u1ecdi ng\u01b0\u1eddi ch\u00e1n n\u1ea3n b\u00e1n n\u00f3 ra ch\u1ee9 kh\u00f4ng ph\u1ea3i mua khi m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u h\u00e0o h\u1ee9ng. Gi\u1ea3 \u0111\u1ecbnh b\u1ea1n l\u1ea1i b\u00e1n ra c\u00f9ng h\u1ecd th\u00ec kh\u1ea3 n\u0103ng cao l\u00e0 sau khi b\u1ea1n b\u00e1n xong th\u00ec gi\u00e1 s\u1ebd t\u0103ng l\u00ean. \u0110i theo d\u00f2ng ti\u1ec1n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng sai v\u00ec ta v\u1eabn c\u00f3 c\u00e1c h\u00ecnh th\u1ee9c \u0111\u1ea7u t\u01b0 theo h\u00ecnh th\u1ee9c mua \u0111\u1ed9t ph\u00e1, theo k\u00eanh song song nh\u01b0ng m\u1ed9t si\u00eau c\u1ed5 phi\u1ebfu mu\u1ed1n t\u0103ng b\u1eb1ng l\u1ea7n th\u00ec tr\u01b0\u1edbc \u0111\u00f3 n\u00f3 ph\u1ea3i gi\u1ea3m t\u1edbi \u0111\u00e1y c\u1ee7a x\u00e3 h\u1ed9i, b\u1ecb c\u1ea3 x\u00e3 h\u1ed9i ru\u1ed3ng b\u1ecf, l\u00e3ng qu\u00ean. <\/p>\n

Tuy nhi\u00ean nh\u01b0 entry tr\u01b0\u1edbc c\u00f3 \u0111\u1ec1 c\u1eadp. Khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t cp ti\u1ec1m n\u0103ng, b\u1ea1n c\u00f3 hai l\u1ef1a ch\u1ecdn; mua t\u1ea1i n\u1ec1n v\u00e0 \u0111\u1ee3i ch\u01b0a bi\u1ebft khi n\u00e0o, c\u1ea3m gi\u00e1c \u0111au kh\u1ed5i v\u00ec ph\u1ea3i ch\u00f4n v\u1ed1n v\u00e0 l\u1ef1a ch\u1ecdn 2 quan s\u00e1t n\u00f3 v\u00e0 mua v\u00e0o khi c\u00f3 c\u00e1c d\u1ea5u hi\u1ec7u l\u00e0 n\u00f3 s\u1ebd t\u0103ng b\u1eb1ng l\u1ea7n trong th\u1eddi gian g\u1ea7n. T\u1ea5t nhi\u00ean c\u00f2n l\u1ef1a ch\u1ecdn th\u1ee9 3 l\u00e0 \u0111\u1ee3i cp t\u0103ng sau \u0111\u00f3 l\u1ef1a ch\u1ecdn \u0111i\u1ec3m mua khi cp \u0111i\u1ec1u ch\u1ec9nh; tuy nhi\u00ean c\u00f3 nh\u1eefng cp t\u0103ng li\u00ean t\u1ee5c khi v\u00e0o \u0111\u00e0 t\u0103ng m\u00e0 kh\u00f4ng th\u00e8m \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 b\u1ea1n mua.<\/p>\n

Ph\u01b0\u01a1ng \u00e1n t\u1ed1t c\u00f3 l\u1ebd l\u00e0 ch\u00fang ta c\u00f3 m\u1ed9t ds c\u00e1c si\u00eau cp ti\u1ec1m n\u0103ng v\u00e0 quan s\u00e1t n\u00f3 l\u1ef1a ch\u1ecdn \u0111i\u1ec3m mua th\u00edch h\u1ee3p thay v\u00ec mua ngay. Th\u01b0\u1eddng tr\u01b0\u1edbc khi m\u1ed9t cp t\u0103ng n\u00f3 s\u1ebd c\u00f3 pha r\u0169 b\u1ecf \u0111\u1ec3 \u0111u\u1ed5i nh\u1eefng n\u0111t y\u1ebfu tim ra kh\u1ecfi t\u1ea7u; \u0111\u00e2y c\u00f3 l\u1ebd l\u00e0 th\u1eddi \u0111i\u1ec3m mua th\u00edch h\u1ee3p (v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 b\u1ea1n v\u1eabn \u0111ang c\u1ea7m ti\u1ec1n v\u00e0 ch\u01b0a mua tr\u01b0\u1edbc \u0111\u00f3). M\u1ed9t danh s\u00e1ch cp c\u0169ng s\u1ebd tr\u00e1nh \u0111\u1ec3 ch\u00fang ta qu\u00e1 ch\u00fa \u00fd t\u1edbi 1 cp v\u00e0 m\u1ea5t ki\u00ean nh\u1eabn mua n\u00f3 v\u00e0o.<\/p>\n

Ch\u1ec9 c\u1ea7n ch\u00fang ta ch\u1ecdn \u0111\u01b0\u1ee3c \u0111i\u1ec3m mua v\u00e0 b\u00e1n m\u00e0 b\u00e1n l\u1edbn h\u01a1n mua th\u00ec ta s\u1ebd th\u1eafng. Ta \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ee9c gi\u00e1; ta ch\u1ecdn m\u1ee9c gi\u00e1 m\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ecdn cp<\/strong>. Ta ch\u1ecdn mua cp \u1edf m\u1ee9c gi\u00e1 th\u1ea5p b\u1ea5t th\u01b0\u1eddng v\u00e0 b\u00e1n khi th\u1ea5y “\u0111\u1ee7”. Ta kh\u00f4ng v\u1ed9i v\u00e0ng b\u00e1n khi gi\u00e1 tr\u1edf v\u1ec1 th\u1ea5p h\u01a1n gi\u00e1 mua mi\u1ec5n l\u00e0 n\u00f3 ch\u01b0a \u0111\u1ed9t ph\u00e1 \u0111i\u1ec3m c\u1eaft l\u1ed7 m\u00e0 \u0111\u00e3 \u0111\u1ecbnh ra tr\u01b0\u1edbc \u0111\u00f3. Mi\u1ec5n l\u00e0 ta ch\u1ecdn \u0111\u01b0\u1ee3c cp c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng h\u1ed7 tr\u1ee3 ch\u1eafc ch\u1eafn th\u00ec ki\u1ec3u g\u00ec cp c\u0169ng s\u1ebd t\u0103ng. N\u1ebfu n\u00f3 t\u0103ng th\u00ec h\u00e3y ki\u00ean nh\u1eabn \u0111\u1ee3i n\u00f3 tr\u1edf l\u1ea1i \u0111i\u1ec3m mua an to\u00e0n thay v\u00ec mua b\u1eb1ng m\u1ecdi gi\u00e1.<\/p>\n

C\u00e1c \u0111i\u1ec3m mua t\u1ed1t:<\/span><\/strong><\/p>\n

1. Mua khi ch\u1ea1m v\u00e0o MA<\/strong><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u00e2u l\u00e0 MA m\u00e0 c\u1ee9 khi n\u00e0o ch\u1ea1m v\u00e0o n\u00f3 th\u00ec cp l\u1ea1i b\u1eadt l\u00ean; \u0111i\u1ec3n h\u00ecnh l\u00e0 MA10, MA20v\u00e0 MA50. Gi\u1ea3 \u0111\u1ecbnh gi\u00e1 \u0111ang xa MA50, h\u00e3y \u0111\u1eb7t l\u1ec7nh mua t\u1ea1i ngay tr\u00ean MA50; bi\u1ebft \u0111\u00e2u m\u1ed9t c\u00fa r\u0169 b\u1ecf s\u1ebd khi\u1ebfn b\u1ea1n mua \u0111\u01b0\u1ee3c gi\u00e1 t\u1ed1t m\u00e0 kh\u00f4ng ph\u1ea3i theo d\u00f5i th\u01b0\u1eddng xuy\u00ean b\u1ea3ng gi\u00e1. C\u00e1c c\u00fa r\u0169 b\u1ecf th\u01b0\u1eddng r\u1ea5t nhanh ch\u1ec9 trong v\u00e0i ph\u00fat; c\u00f2n n\u1ebfu nh\u01b0 gi\u00e1 \u0111\u00f3ng c\u1eeda m\u00e0 d\u01b0\u1edbi \u0111\u01b0\u1eddng MA m\u00e0 b\u00ecnh th\u01b0\u1eddng n\u00f3 hay b\u1eadt t\u0103ng l\u1ea1i th\u00ec c\u1ea7n ph\u1ea3i ch\u00fa \u00fd theo d\u00f5i; l\u00fac n\u00e0y ph\u1ea3i ngh\u0129 t\u1edbi b\u00e1n thay v\u00ec mua.<\/p>\n

Trong 3 h\u00ecnh d\u01b0\u1edbi ta th\u1ea5y m\u1ed7i \u0111\u01b0\u1eddng MA gi\u00fap ta c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn v\u1ec1 \u0111i\u1ec3m b\u1eadt l\u1ea1i kh\u00e1c nhau trong \u0111\u00f3 MA10 mang l\u1ea1i nhi\u1ec1u th\u00f4ng tin nh\u1ea5t.<\/p>\n

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C\u00e1c \u0111\u01b0\u1eddng MA c\u00e0ng d\u00e0i th\u00ec kh\u1ea3 n\u0103ng khi gi\u00e1 gi\u1ea3m t\u1edbi \u0111\u00f3 b\u1eadt l\u1ea1i c\u00e0ng cao. Sau MA50 l\u00e0 MA150 v\u00e0 MA200, g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn m\u1ed9t cp \u0111ang trong xu h\u01b0\u1edbng t\u0103ng s\u1ebd ng\u00e0y c\u00e0ng c\u00e1ch xa MA150 nh\u01b0ng n\u1ebfu n\u00f3 \u0111\u1ee9ng gi\u00e1 t\u1ea1i ch\u1ed7 t\u00edch l\u0169y \u0111\u1ec3 \u0111\u01b0\u1eddng MA150 k\u00e9o s\u00e1t l\u00ean \u0111\u1ebfn m\u1ee9c m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 n\u00f3 s\u1ebd ch\u1ea1m v\u00e0o; v\u00e0 khi ch\u1ea1m v\u00e0o n\u00f3 s\u1ebd t\u0103ng.<\/p>\n

2<\/strong>. Mua khi kh\u1ed1i l\u01b0\u1ee3ng c\u1ea1n ki\u1ec7t, gi\u00e1 th\u1eaft ch\u1eb7t<\/strong><\/p>\n

CP c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u1ea5p h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi c\u00e1c phi\u00ean b\u00f9ng n\u1ed5 tr\u01b0\u1edbc \u0111\u00f3; trong nhi\u1ec1u tu\u1ea7n gi\u00e1 \u0111\u00f3ng c\u1eeda g\u1ea7n nh\u01b0 \u1edf m\u1ed9t m\u1ee9c gi\u00e1. N\u1ebfu nh\u01b0 m\u1ee9c gi\u00e1 n\u00e0y l\u1ea1i ngay ph\u00eda tr\u00ean \u0111\u01b0\u1eddng MA m\u00e0 ta \u0111\u00e3 x\u00e1c \u0111\u1ecbnh th\u00ec kh\u1ea3 n\u0103ng b\u1eadt l\u00ean c\u1ee7a n\u00f3 r\u1ea5t cao. <\/p>\n

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3. Mua tr\u01b0\u1edbc v\u00e0 trong \u0111\u1ed9t ph\u00e1<\/strong><\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u1ee7 thu\u1eadt mua \u0111\u1ed9t ph\u00e1, ai ch\u1eb3ng mu\u1ed1n mua tr\u01b0\u1edbc th\u1eddi \u0111i\u00eam phi\u00ean b\u1ee7ng n\u1ed5 gi\u00e1 t\u0103ng k\u1ecbch tr\u1ea7n m\u1edf ra m\u1ed9t kho\u1ea3ng tr\u1ed1ng t\u0103ng gi\u00e1 m\u00e0 ta g\u1ecdi l\u00e0 gap l\u1edbn. L\u00fac n\u00e0y kho\u00e0ng gi\u1eefa c\u1ee7a gap tr\u1edf th\u00e0nh v\u00f9ng h\u1ed7 tr\u1ee3; nh\u1eefng tay to s\u1ebd kh\u00f4ng mu\u1ed1n gi\u00e1 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi gi\u00e1 m\u00e0 h\u1ecd \u0111\u00e3 c\u1ed1 g\u1eafng \u0111\u1ec3 k\u00e9o l\u00ean tr\u01b0\u1edbc \u0111\u00f3; \u0111\u00f3 s\u1ebd l\u00e0 \u0111i\u1ec3m mua th\u00edch h\u1ee3p (v\u00e0 ph\u1ea3i c\u1eaft ngay khi gi\u00e1 xu\u1ed1ng d\u01b0\u1edbi gi\u00e1 t\u0103ng \u0111\u1ed9t ph\u00e1 tr\u01b0\u1edbc \u0111\u00f3)<\/p>\n

Sau khi CP \u0111\u1ed9t ph\u00e1 n\u00f3 s\u1ebd t\u1ea1o k\u00eanh \u0111i l\u00ean, c\u00f3 th\u1ec3 l\u00e0 k\u00eanh song song. Ta ch\u1ecdn \u0111i\u1ec3m mua \u1edf h\u1ed7 tr\u1ee3 d\u01b0\u1edbi \u0111\u00fang nh\u01b0 s\u00e1ch. M\u1ed9t si\u00eau c\u1ed5 t\u00edch l\u0169y l\u00e2u th\u00ec \u0111\u00e0 t\u0103ng c\u1ee7a n\u00f3 c\u0169ng l\u00e2u. Khi mua \u0111\u1ee7 r\u1ed3i ta s\u1ebd ng\u1ed3i im kh\u00f4ng l\u00e0m g\u00ec ch\u1ec9 quan s\u00e1t \u0111\u1ec3 x\u1eed l\u00fd khi gi\u00e1 c\u00f3 d\u1ea5u hi\u1ec7u t\u1ea1o \u0111\u1ec9nh. Mua h\u1ed7 tr\u1ee3 d\u01b0\u1edbi, b\u00e1n h\u1ed7 tr\u1ee3 tr\u00ean c\u0169ng \u0111\u01b0\u1ee3c nh\u01b0ng s\u1ebd c\u00f3 r\u1ee7i ro l\u00e0 gi\u00e1 mua sau \u0111\u00f3 c\u00f2n cao h\u01a1n gi\u00e1 b\u00e1n tr\u01b0\u1edbc \u0111\u00f3. T\u00f4i \u0111\u00e3 g\u1eb7p r\u1ea5t nhi\u1ec1u t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady v\u00e0 r\u00fat ra l\u00e0 l\u01b0\u1edbt \u1edf nh\u1eefng con s\u00f3ng nh\u1ecf v\u00f4 c\u00f9ng kh\u00f3; r\u1ee7i ro c\u1ee7a vi\u1ec7c b\u1ecf l\u1ee1 nh\u1ecbp t\u0103ng l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi r\u1ee7i ro ta m\u1ea5t \u0111i l\u1ee3i nhu\u1eadn \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c.<\/p>\n

T\u1ed1t nh\u1ea5t khi cp dao \u0111\u1ed9ng trong m\u1ed9t k\u00eanh \u0111i l\u00ean n\u00f3 n\u00ean \u00edt ki\u1ec3m \u0111\u1ecbnh h\u1ed7 tr\u1ee3 d\u01b0\u1edbi v\u00ec khi m\u1ed9t cp li\u00ean t\u1ee5c ki\u1ec3m tra h\u1ed7 tr\u1ee3 d\u01b0\u1edbi c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec1u n\u0111t nghi ng\u1ea1i kh\u1ea3 n\u0103ng n\u00f3 t\u0103ng; h\u1ecd s\u1ebd c\u00f3 xu h\u01b0\u1edbng mu\u1ed1n b\u00e1n h\u01a1n l\u00e0 mu\u1ed1n mua (> 4 l\u1ea7n kh\u1ea3 n\u0103ng th\u1ee7ng h\u1ed7 tr\u1ee3 \u1edf l\u1ea7n k\u1ebf ti\u1ebfp r\u1ea5t cao). <\/p>\n

T\u01b0\u01a1ng t\u1ef1, ta c\u00f3 th\u1ec3 d\u00f9ng d\u1ea3i Bollinger<\/a> band \u0111\u1ec3 l\u00e0m ch\u1ec9 b\u00e1o cho \u0111i\u1ec3m mua. N\u00f3i chung khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c cp ti\u1ec1m n\u0103ng th\u00ec vi\u1ec7c ch\u1ecdn \u0111i\u1ec3m mua r\u1ea5t quan tr\u1ecdng. Mua gi\u00e1 t\u1ed1t s\u1ebd mang l\u1ea1i cho ta s\u1ef1 an t\u00e2m \u0111\u1ec3 nh\u00ecn l\u00e3i ch\u1ea1y.<\/p>\n

4. Ph\u00f9 h\u1ee3p v\u1edbi chu k\u1ef3 c\u1ee7a th\u1ecb tr\u01b0\u1eddng<\/strong><\/p>\n

C\u1ed5 phi\u1ebfu t\u00edch l\u0169y r\u1ed3i t\u0103ng sau \u0111\u00f3 ph\u00e2n ph\u1ed1i r\u1ed3i gi\u1ea3m. Th\u1ecb tr\u01b0\u1eddng chung c\u0169ng v\u1eady, n\u00f3 tr\u1ea3i qua c\u00e1c chu k\u1ef3; v\u00e0 chu k\u1ef3 d\u1ec5 ki\u1ebfm ti\u1ec1n nh\u1ea5t l\u00e0 v\u00e0o xu th\u1ebf t\u0103ng. N\u00f3i g\u00ec th\u00ec n\u00f3i trong m\u1ed9t xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng t\u0103ng th\u00ec vi\u1ec7c ch\u1ecdn cp c\u0169ng d\u1ec5 h\u01a1n; \u0111a ph\u1ea7n s\u1ebd t\u0103ng c\u00f9ng th\u1ecb tr\u01b0\u1eddng. <\/p>\n

Khi th\u1ecb tr\u01b0\u1eddng v\u00e0o xu h\u01b0\u1edbng t\u0103ng li\u00ean ti\u1ebfp chinh ph\u1ee5c c\u00e1c \u0111i\u1ec3m cao m\u1edbi th\u00ec c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi ti\u1ec1n \u0111\u1ed5 v\u00e0o tt c\u00e0ng nhi\u1ec1u; si\u00eau cp s\u1ebd d\u1ec5 d\u00e0ng b\u1ecb \u0111\u1ec3 \u00fd v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean nh\u1edd \u0111ang \u1edf gi\u00e1 th\u1ea5p. Trong m\u1ed9t xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng \u0111i xu\u1ed1ng, cp c\u1ee7a ta c\u00f3 th\u1ec3 \u0111i ng\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng nh\u01b0ng s\u1ebd kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u.<\/p>\n

Ch\u1ecdn \u0111i\u1ec3m b\u00e1n<\/span><\/strong><\/p>\n

M\u1ed9t cp ta \u0111\u1ee3i ch\u1edd c\u1ea3 th\u00e1ng n\u00f3 m\u1edbi t\u0103ng th\u00ec kh\u00f4ng c\u00f3 l\u00fd g\u00ec ta b\u00e1n khi m\u1edbi ch\u1ec9 l\u00e3i 5%. \u0110\u1ec3 l\u00e3i ch\u1ea1y ngh\u0129 th\u00ec ai c\u0169ng ngh\u0129 \u0111\u01b0\u1ee3c; m\u1ed9t cp \u0111\u00e3 n\u00e9n v\u00e0i th\u00e1ng v\u00e0i n\u0103m th\u00ec kh\u00f4ng c\u00f3 l\u00fd g\u00ec nh\u00edch ch\u00fat r\u1ed3i l\u1ea1i v\u1ec1 c\u00e1i m\u00e1ng l\u1ee3n. Nh\u01b0ng g\u1ed3ng l\u00e3i th\u1ef1c s\u1ef1 r\u1ea5t kh\u00f3, ta s\u1ebd d\u1ec5 d\u00e0ng b\u00e1n cp \u0111i khi so s\u00e1nh n\u00f3 v\u1edbi gi\u00e1 c\u1ee7a ng\u00e0y h\u00f4m qua.<\/p>\n

\u0110\u01b0a ra quy\u1ebft \u0111\u1ecbnh b\u00e1n khi cp c\u00f3 l\u00e3i gi\u00fap hi\u1ec7n th\u1ee9c \u0111\u01b0\u1ee3c kho\u1ea3n l\u00e3i; gi\u00fap ta c\u00f3 c\u1ea3m gi\u00e1c chi\u1ebfn th\u1eafng. Ng\u01b0\u1ee3c l\u1ea1i khi m\u1ed9t cp l\u1ed7 v\u00e0 \u0111\u00e3 ph\u00e1t t\u00edn hi\u1ec7u l\u00e0 ph\u1ea3i b\u00e1n th\u00ec ta l\u1ea1i hay ch\u1ea7n ch\u1edd kh\u00f4ng b\u00e1n v\u00ec b\u00e1n l\u00e0 hi\u1ec7n th\u1ef1c kho\u1ea3n l\u1ed7, \u0111\u00e1nh v\u00e0o l\u00f2ng t\u1ef1 tr\u1ecdng.<\/p>\n

M\u1ed9t cp c\u00f3 d\u1ea5u hi\u1ec7u b\u00e1n khi:<\/p>\n

1. CP c\u00e1ch qu\u00e1 xa \u0111\u01b0\u1eddng MA<\/strong><\/p>\n

Khi cp t\u0103ng n\u00f3 s\u1ebd ng\u00e0y c\u00e0ng c\u00e1ch xa \u0111\u01b0\u1eddng MA m\u00e0 n\u00f3 tu\u00e2n th\u1ee7, ch\u1ee7 y\u1ebfu l\u00e0 MA50 c\u00f3 hai kh\u1ea3 n\u0103ng x\u1ea3y ra. Kh\u1ea3 n\u0103ng \u0111\u1ea7u ti\u00ean l\u00e0 cp ti\u1ebfp t\u1ee5c t\u0103ng v\u00e0 d\u1ea7n d\u1ea7n \u0111\u01b0\u1eddng MA s\u1ebd \u0111\u01b0\u1ee3c k\u00e9o l\u00ean. C\u00e1ch hai l\u00e0 n\u00f3 ch\u1eefng l\u1ea1i r\u1ed3i gi\u1ea3m (ho\u1eb7c kh\u00f4ng gi\u1ea3m) \u0111\u1ec3 g\u1eb7p l\u1ea1i \u0111\u01b0\u1eddng MA sau \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh c\u00f3 t\u0103ng tr\u1edf l\u1ea1i hay kh\u00f4ng t\u00f9y thu\u1ed9c v\u00e0o ph\u1ea3n \u1ee9ng c\u1ee7a phe mua th\u1ea5y gi\u00e1 \u0111\u1ee7 h\u1ea5p d\u1eabn v\u00e0 phe d\u1ef1 \u0111\u1ecbnh b\u00e1n th\u1ea5y gi\u00e1 t\u0103ng tr\u1edf l\u1ea1i.<\/p>\n

Trong \u0111\u00e0 t\u0103ng c\u1ee7a cp, ki\u1ec3u g\u00ec n\u00f3 c\u0169ng s\u1ebd quay l\u1ea1i \u0111\u01b0\u1eddng MA v\u00e0 \u0111\u00e2y s\u1ebd l\u00e0 \u0111i\u1ec3m mua th\u00eam t\u1ed1t. N\u1ebfu n\u00f3 l\u00e0 m\u1ed9t n\u1ebfn nh\u00fang ch\u00e2n xu\u1ed1ng d\u01b0\u1edbi MA sau \u0111\u00f3 r\u00fat l\u00eanth\u00ec n\u00f3 s\u1ebd t\u0103ng ti\u1ebfp nh\u01b0ng n\u1ebfu nh\u01b0 n\u1ebfn li\u00ean ti\u1ebfp m\u1ecdc t\u00f3c c\u00f3 ngh\u0129a l\u00e0 cp c\u1ed1 g\u1eafng t\u0103ng nh\u01b0ng b\u1ea5t th\u00e0nh th\u00ec kh\u1ea3 nang cao \u0111\u00f3 l\u00e0 \u0111i\u1ec3m ph\u1ea3i b\u00e1n.<\/p>\n

\"\"<\/figure>\n

Trong h\u00ecnh tr\u00ean c\u0169ng cho ta th\u1ea5y m\u1ed9t nguy\u00ean t\u1eafc l\u00e0 gi\u00e1 ph\u1ea3i n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng MA v\u00e0 MA ph\u1ea3i d\u1ed1c l\u00ean \u0111\u1ec3 bi\u1ec3u th\u1ecb m\u1ed9t cp \u0111ang trong xu h\u01b0\u1edbng t\u0103ng. Khi MA \u0111i ngang v\u00e0 d\u1ed1c xu\u1ed1ng th\u00ec ch\u1eafc ch\u1eafn l\u00e0 l\u00fac n\u00ean b\u00e1n. Nguy\u00ean t\u1eafc c\u0103n b\u1ea3n l\u00e0 gi\u00e1 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u00f3ng c\u1eeda d\u01b0\u1edbi MA50 trong \u0111\u1ed3 th\u1ecb tu\u1ea7n.<\/p>\n

2 B\u00e1n khi CP nhi\u1ec1u l\u1ea7n ch\u1ea1m v\u00e0o MA<\/strong><\/p>\n

Sau khi cp t\u0103ng, \u1edf l\u1ea7n ch\u1ea1m \u0111\u1ea7u ti\u00ean th\u00ec x\u00e1c g\u1ea7n nh\u01b0 100% cp s\u1ebd b\u1eadt t\u0103ng v\u00ec r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi tr\u1ef1c ch\u1edd mua \u1edf \u0111\u00f3. C\u00e0ng nhi\u1ec1u l\u1ea7n v\u1ec1 sau th\u00ec s\u1ed1 ng\u01b0\u1eddi \u0111\u1ee3i mua c\u00e0ng \u00edt d\u1ea7n d\u1eabn t\u1edbi \u0111\u00e0 b\u1eadt l\u1ea1i c\u00e0ng y\u1ebfu d\u1ea7n. R\u1ed3i t\u1edbi m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 khi n\u00f3 ch\u1ea1m MA th\u00ec kh\u00f4ng th\u1ec3 b\u1eadt l\u1ea1i \u0111\u01b0\u1ee3c n\u1eefa.<\/p>\n

Trong h\u00ecnh d\u01b0\u1edbi, HBC c\u00f3 4 l\u1ea7n ch\u1ea1m v\u00e0o MA50; t\u1edbi l\u1ea7n th\u1ee9 5 th\u00ec n\u00f3 xuy\u00ean qua MA50 v\u00e0 chuy\u1ec3n sang xu h\u01b0\u1edbng gi\u1ea3m<\/p>\n

\"\"<\/figure>\n

N\u00f3i chung ta s\u1ebd ph\u1ea3i xem ph\u1ea3n \u1ee9ng c\u1ee7a gi\u00e1 m\u1ed7i khi n\u00f3 quay l\u1ea1i MA.<\/p>\n

3. B\u00e1n khi cp c\u00f3 d\u1ea5u hi\u1ec7u ph\u00e2n ph\u1ed1i<\/strong><\/p>\n

CP c\u00f3 d\u1ea5u hi\u1ec7u ph\u00e2n ph\u1ed1i l\u00e0 khi kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec1u nh\u01b0ng gi\u00e1 l\u1ea1i kh\u00f4ng t\u0103ng m\u00e0 ch\u1ec9 dao \u0111\u1ed9ng trong bi\u00ean \u0111\u1ed9 h\u1eb9p. CP li\u00ean t\u1ee5c c\u1ed1 g\u1eafng chinh ph\u1ee5c m\u1ed1c gi\u00e1 cao m\u1edbi nh\u01b0ng c\u1ee9 ch\u00f2i l\u00ean l\u00e0 b\u1ecb k\u00e9o xu\u1ed1ng t\u1ea1o ra c\u00e1c c\u00e2y n\u1ebfn m\u1ecdc t\u00f3c.<\/p>\n

Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng v\u00e0 n\u00f3 \u0111\u00e3 t\u0103ng m\u1ed9t \u0111o\u1ea1n r\u1ea5t d\u00e0i, r\u1ed3i c\u00f3 m\u1ed9t c\u00e2y n\u1ebfn t\u0103ng m\u1ea1nh g\u1ea5p \u0111\u00f4i so v\u1edbi b\u00ecnh th\u01b0\u1eddng th\u00ec \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t \u0111\u1ee3t cao tr\u00e0o ki\u1ec7t s\u1ee9c n\u01a1i t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n mua cu\u1ed1i c\u00f9ng \u0111\u1ec1u nh\u1ea9y v\u00e0o mua. Khi h\u1ecd mua xong th\u00ec kh\u00f4ng c\u00f2n ai mu\u1ed1n mua n\u1eefa v\u00e0 cp s\u1ebd quay \u0111\u1ea7u \u0111i xu\u1ed1ng.<\/p>\n

4. B\u00e1n khi cp quay l\u1ea1i \u0111\u1ec9nh tr\u01b0\u1edbc \u0111\u00f3<\/strong><\/p>\n

Trong m\u1ed9t chu k\u1ef3 t\u0103ng nhi\u1ec1u l\u1ea7n tr\u01b0\u1edbc, n\u00f3 \u0111\u00e3 \u0111\u00e3 t\u1ea1o ra m\u1ed9t \u0111\u1ec9nh; l\u1ea7n chu k\u1ef3 n\u00e0y kh\u1ea3 n\u0103ng n\u00f3 s\u1ebd \u0111\u1ea1t th\u1ea5p h\u01a1n \u0111\u1ec9nh c\u0169 v\u00ec r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ee3i b\u00e1n \u1edf \u0111\u00f3. V\u00ed d\u1ee5 nh\u01b0 v\u1edbi cp HBC \u1edf tr\u00ean \u0111\u1ec9nh \u1edf l\u1ea7n 2 l\u00e0 32.000 v\u00e0 \u0111\u1ec9nh l\u1ea7n 1 l\u00e0 33.000\u0111.<\/p>\n

T\u00f3m l\u1ea1i \u0111i\u1ec3m b\u00e1n c\u1ee7a cp thu\u1ed9c d\u1ea1ng si\u00eau c\u1ed5 c\u0169ng kh\u00f4ng kh\u00e1c m\u1ea5y so v\u1edbi cp b\u00ecnh th\u01b0\u1eddng kh\u00e1c ch\u1ec9 kh\u00e1c l\u00e0 ta th\u00eam y\u1ebfu t\u1ed1 l\u00e0 cp \u0111\u00e3 b\u1ecb n\u00e9n r\u1ea5t l\u00e2u v\u00e0 khi ng\u01b0\u1eddi ta k\u00e9o n\u00f3 l\u00ean th\u00ec gi\u00e1 ph\u1ea3i \u0111\u1ea1t t\u1edbi m\u1ed9t m\u1ee9c b\u00f5 c\u00f4ng h\u1ecd l\u00ean k\u1ebf ho\u1ea1ch nhi\u1ec1u th\u00e1ng, nhi\u1ec1u n\u0103m.<\/p>\n

\u0110\u1ed1i v\u1edbi ph\u00e2n t\u00edch c\u01a1 b\u1ea3n th\u00ec y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh mua nh\u01b0 th\u1ebf n\u00e0o th\u00ec ng\u01b0\u1ee3c l\u1ea1i s\u1ebd l\u00e0 quy\u1ebft \u0111\u1ecbnh b\u00e1n:<\/p>\n