{"id":48933,"date":"2025-09-23T12:38:01","date_gmt":"2025-09-23T05:38:01","guid":{"rendered":"https:\/\/hbbgroup.net\/5-sai-lam-nha-dau-tu-can-tranh-khi-thi-truong-chung-khoan-di-xuong\/"},"modified":"2025-09-23T12:38:01","modified_gmt":"2025-09-23T05:38:01","slug":"5-sai-lam-nha-dau-tu-can-tranh-khi-thi-truong-chung-khoan-di-xuong","status":"publish","type":"post","link":"https:\/\/hbbgroup.net\/vi\/5-sai-lam-nha-dau-tu-can-tranh-khi-thi-truong-chung-khoan-di-xuong\/","title":{"rendered":"5 sai l\u1ea7m nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ea7n tr\u00e1nh khi th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n \u0111i xu\u1ed1ng"},"content":{"rendered":"
<\/figcaption>

Th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n kh\u00f4ng ch\u1ec9 l\u00e0 n\u01a1i c\u1ee7a nh\u1eefng c\u01a1 h\u1ed9i t\u0103ng gi\u00e1, m\u00e0 c\u00f2n l\u00e0 b\u00e0i ki\u1ec3m tra t\u00e2m l\u00fd kh\u1eafc nghi\u1ec7t m\u1ed7i khi th\u1ecb tr\u01b0\u1eddng b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c gi\u1ea3m s\u00e2u. Kh\u00f4ng \u00edt ng\u01b0\u1eddi t\u1eebng “l\u00e3i \u0111\u1eadm” trong s\u00f3ng t\u0103ng \u0111\u00e3 nhanh ch\u00f3ng r\u01a1i v\u00e0o th\u1ebf b\u1ecb \u0111\u1ed9ng, th\u1eadm ch\u00ed thua l\u1ed7 n\u1eb7ng khi th\u1ecb tr\u01b0\u1eddng quay \u0111\u1ea7u. Sai l\u1ea7m kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c th\u1ecb tr\u01b0\u1eddng gi\u1ea3m, m\u00e0 n\u1eb1m \u1edf c\u00e1ch nh\u00e0 \u0111\u1ea7u t\u01b0 ph\u1ea3n \u1ee9ng. <\/p>\n

B\u00e1n th\u00e1o trong ho\u1ea3ng lo\u1ea1n \u2013 sai l\u1ea7m v\u00ec thi\u1ebfu k\u1ebf ho\u1ea1ch <\/strong> <\/h3>\n

Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 b\u00e1n c\u1ed5 phi\u1ebfu b\u1eb1ng m\u1ecdi gi\u00e1 khi th\u1ecb tr\u01b0\u1eddng lao d\u1ed1c. Nh\u1eefng phi\u00ean gi\u1ea3m s\u00e2u li\u00ean ti\u1ebfp d\u1ec5 t\u1ea1o ra hi\u1ec7u \u1ee9ng t\u00e2m l\u00fd ti\u00eau c\u1ef1c khi\u1ebfn nh\u00e0 \u0111\u1ea7u t\u01b0 h\u00e0nh \u0111\u1ed9ng c\u1ea3m t\u00ednh thay v\u00ec ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng. <\/p>\n

Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c b\u00e1n th\u00e1o kh\u00f4ng nh\u1eefng khi\u1ebfn nh\u00e0 \u0111\u1ea7u t\u01b0 “c\u1eaft l\u1ed7” \u1edf \u0111\u00e1y, m\u00e0 c\u00f2n m\u1ea5t c\u01a1 h\u1ed9i h\u1ed3i ph\u1ee5c khi th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh xong. \u0110i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0 kh\u00f4ng \u00edt c\u1ed5 phi\u1ebfu b\u1ecb b\u00e1n ra trong ho\u1ea3ng lo\u1ea1n v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n t\u1ed1t v\u00e0 sau \u0111\u00f3 h\u1ed3i ph\u1ee5c m\u1ea1nh. <\/p>\n

Do \u0111\u00f3, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ea7n c\u00f3 k\u1ebf ho\u1ea1ch r\u00f5 r\u00e0ng tr\u01b0\u1edbc khi th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng. Vi\u1ec7c b\u00e1n ra ph\u1ea3i d\u1ef1a tr\u00ean t\u00edn hi\u1ec7u c\u1ee5 th\u1ec3, kh\u00f4ng n\u00ean h\u00e0nh \u0111\u1ed9ng theo t\u00e2m l\u00fd \u0111\u00e1m \u0111\u00f4ng. <\/p>\n

B\u00ecnh qu\u00e2n gi\u00e1 xu\u1ed1ng kh\u00f4ng c\u00f3 chi\u1ebfn l\u01b0\u1ee3c <\/strong> <\/h3>\n

Nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1ecdn c\u00e1ch b\u00ecnh qu\u00e2n gi\u00e1 xu\u1ed1ng v\u1edbi hy v\u1ecdng c\u1ed5 phi\u1ebfu s\u1ebd ph\u1ee5c h\u1ed3i. Tuy nhi\u00ean, n\u1ebfu kh\u00f4ng \u0111\u00e1nh gi\u00e1 \u0111\u00fang b\u1ea3n ch\u1ea5t \u0111\u1ee3t gi\u1ea3m \u2013 l\u00e0 do y\u1ebfu t\u1ed1 th\u1ecb tr\u01b0\u1eddng hay n\u1ed9i t\u1ea1i doanh nghi\u1ec7p \u2013 th\u00ec h\u00e0nh \u0111\u1ed9ng n\u00e0y ch\u1ec9 khi\u1ebfn m\u1ee9c l\u1ed7 n\u1eb7ng th\u00eam. <\/p>\n

Trong nh\u1ecbp gi\u1ea3m m\u1ea1nh, d\u00f2ng ti\u1ec1n th\u01b0\u1eddng r\u00fat kh\u1ecfi nh\u00f3m c\u1ed5 phi\u1ebfu y\u1ebfu, thi\u1ebfu n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n. N\u1ebfu nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ee9 \u201cb\u1eaft dao r\u01a1i\u201d m\u00e0 kh\u00f4ng c\u00f3 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u1ee5 th\u1ec3, t\u00e0i kho\u1ea3n s\u1ebd ng\u00e0y c\u00e0ng ch\u1ecbu \u00e1p l\u1ef1c. Nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1ec9 n\u00ean b\u00ecnh qu\u00e2n v\u1edbi c\u1ed5 phi\u1ebfu t\u1ed1t, c\u00f3 y\u1ebfu t\u1ed1 h\u1ed7 tr\u1ee3 r\u00f5 r\u00e0ng, v\u00e0 th\u1ecb tr\u01b0\u1eddng b\u1eaft \u0111\u1ea7u c\u00f3 d\u1ea5u hi\u1ec7u t\u1ea1o \u0111\u00e1y, tr\u00e1nh tuy\u1ec7t \u0111\u1ed1i b\u00ecnh qu\u00e2n theo c\u1ea3m t\u00ednh. <\/p>\n

D\u00f9ng margin qu\u00e1 m\u1ee9c tr\u01b0\u1edbc khi th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh <\/strong> <\/h3>\n

Vi\u1ec7c s\u1eed d\u1ee5ng\u00a0\u0111\u00f2n b\u1ea9y t\u00e0i ch\u00ednh (margin)\u00a0trong giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng t\u0103ng tr\u01b0\u1edfng c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a l\u1ee3i nhu\u1eadn, nh\u01b0ng c\u0169ng l\u00e0 “con dao hai l\u01b0\u1ee1i” khi th\u1ecb tr\u01b0\u1eddng quay \u0111\u1ea7u. Kh\u00f4ng \u00edt nh\u00e0 \u0111\u1ea7u t\u01b0 v\u1eabn gi\u1eef t\u1ef7 l\u1ec7 margin cao ngay c\u1ea3 khi c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u00edn hi\u1ec7u ph\u00e2n ph\u1ed1i ho\u1eb7c suy y\u1ebfu, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng “call margin” khi th\u1ecb tr\u01b0\u1eddng gi\u1ea3m m\u1ea1nh. <\/p>\n

\u00c1p l\u1ef1c gi\u1ea3i ch\u1ea5p kh\u00f4ng ch\u1ec9 khi\u1ebfn t\u00e0i kho\u1ea3n thua l\u1ed7 n\u1eb7ng, m\u00e0 c\u00f2n t\u1ea1o th\u00eam \u00e1p l\u1ef1c l\u00ean th\u1ecb tr\u01b0\u1eddng chung. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao nhi\u1ec1u nh\u1ecbp \u0111i\u1ec1u ch\u1ec9nh di\u1ec5n ra nhanh v\u00e0 m\u1ea1nh, kh\u00f3 ki\u1ec3m so\u00e1t. Nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ea7n lu\u00f4n gi\u1eef t\u1ef7 l\u1ec7 margin \u1edf m\u1ee9c an to\u00e0n. Khi th\u1ecb tr\u01b0\u1eddng c\u00f3 d\u1ea5u hi\u1ec7u suy y\u1ebfu, n\u00ean ch\u1ee7 \u0111\u1ed9ng h\u1ea1 \u0111\u00f2n b\u1ea9y thay v\u00ec \u0111\u1ee3i b\u1ecb \u0111\u1ed9ng. <\/p>\n

M\u1ea5t ki\u00ean nh\u1eabn, r\u00fat lui sai th\u1eddi \u0111i\u1ec3m <\/strong> <\/h3>\n

Trong giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng gi\u1ea3m m\u1ea1nh, kh\u00f4ng \u00edt nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1ecdn c\u00e1ch “r\u00fat lui to\u00e0n b\u1ed9” \u0111\u1ec3 b\u1ea3o to\u00e0n v\u1ed1n. Tuy nhi\u00ean, thay v\u00ec tho\u00e1t h\u00e0ng \u1edf v\u00f9ng ph\u00e2n ph\u1ed1i ph\u00eda tr\u00ean, h\u1ecd l\u1ea1i ch\u1ecdn r\u00fat lui \u1edf v\u00f9ng gi\u00e1 th\u1ea5p, sau nhi\u1ec1u phi\u00ean \u0111\u1ecf l\u1eeda. Vi\u1ec7c\u00a0m\u1ea5t ki\u00ean nh\u1eabn\u00a0khi th\u1ecb tr\u01b0\u1eddng \u0111\u00e3 gi\u1ea3m s\u00e2u c\u00f3 th\u1ec3 khi\u1ebfn nh\u00e0 \u0111\u1ea7u t\u01b0 b\u1ecf l\u1ee1 nh\u1ecbp h\u1ed3i ph\u1ee5c sau \u0111\u00f3 \u2013 m\u1ed9t c\u01a1 h\u1ed9i quan tr\u1ecdng \u0111\u1ec3 c\u00e2n b\u1eb1ng danh m\u1ee5c. <\/p>\n

Th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc th\u1ef1c t\u1ebf v\u00e0i b\u01b0\u1edbc. Khi nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00e1 nh\u00e2n b\u1eaft \u0111\u1ea7u b\u00e1n ra v\u00ec qu\u00e1 s\u1ee3 h\u00e3i, \u0111\u00f3 \u0111\u00f4i khi l\u1ea1i l\u00e0 th\u1eddi \u0111i\u1ec3m d\u00f2ng ti\u1ec1n l\u1edbn b\u1eaft \u0111\u1ea7u gom h\u00e0ng tr\u1edf l\u1ea1i. <\/p>\n

\ufeffB\u00e0i h\u1ecdc r\u00fat ra l\u00e0 ki\u00ean nh\u1eabn l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n. Thay v\u00ec h\u00e0nh \u0111\u1ed9ng v\u1ed9i v\u00e3, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ea7n quan s\u00e1t k\u1ef9 ph\u1ea3n \u1ee9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng t\u1ea1i c\u00e1c v\u00f9ng h\u1ed7 tr\u1ee3, k\u1ebft h\u1ee3p c\u00f9ng d\u1eef li\u1ec7u v\u0129 m\u00f4, thanh kho\u1ea3n v\u00e0 t\u00e2m l\u00fd chung \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh. <\/p>\n

Thi\u1ebfu k\u1ef7 lu\u1eadt v\u00e0 kh\u00f4ng h\u1ecdc h\u1ecfi t\u1eeb sai l\u1ea7m <\/strong> <\/h3>\n

Sai l\u1ea7m l\u1edbn nh\u1ea5t c\u1ee7a nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 l\u00e0\u00a0l\u1eb7p l\u1ea1i c\u00e1c sai l\u1ea7m c\u0169\u00a0m\u00e0 kh\u00f4ng r\u00fat ra b\u00e0i h\u1ecdc. M\u1ed7i l\u1ea7n th\u1ecb tr\u01b0\u1eddng gi\u1ea3m m\u1ea1nh l\u00e0 m\u1ed9t ph\u00e9p th\u1eed cho chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u t\u01b0, kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t c\u1ea3m x\u00fac v\u00e0 t\u01b0 duy qu\u1ea3n tr\u1ecb r\u1ee7i ro. N\u1ebfu kh\u00f4ng nh\u00ecn l\u1ea1i, ghi ch\u00e9p v\u00e0 h\u1ecdc h\u1ecfi, nh\u00e0 \u0111\u1ea7u t\u01b0 s\u1ebd d\u1ec5 m\u1eafc l\u1ea1i nh\u1eefng l\u1ed7i c\u01a1 b\u1ea3n \u1edf c\u00e1c chu k\u1ef3 sau. <\/p>\n

Theo \u0111\u00f3, nh\u00e0 \u0111\u1ea7u t\u01b0 h\u00e3y coi m\u1ed7i nh\u1ecbp gi\u1ea3m l\u00e0 m\u1ed9t tr\u1ea3i nghi\u1ec7m qu\u00fd gi\u00e1. Vi\u1ec7c ghi nh\u1eadt k\u00fd giao d\u1ecbch, ph\u00e2n t\u00edch sai l\u1ea7m c\u00e1 nh\u00e2n, v\u00e0 n\u00e2ng cao ki\u1ebfn th\u1ee9c t\u00e0i ch\u00ednh l\u00e0 c\u00e1ch \u0111\u1ec3 \u0111\u1ea7u t\u01b0 ng\u00e0y c\u00e0ng b\u1ec1n v\u1eefng h\u01a1n. <\/p>\n

Nh\u00ecn chung, th\u1ecb tr\u01b0\u1eddng gi\u1ea3m m\u1ea1nh l\u00e0 giai \u0111o\u1ea1n kh\u00f4ng d\u1ec5 ch\u1ecbu, nh\u01b0ng c\u0169ng l\u00e0 th\u1eddi \u0111i\u1ec3m gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 nh\u00ecn r\u00f5 n\u0103ng l\u1ef1c qu\u1ea3n tr\u1ecb c\u1ea3m x\u00fac v\u00e0 chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea3n th\u00e2n. Nh\u1eefng sai l\u1ea7m nh\u01b0 b\u00e1n th\u00e1o trong ho\u1ea3ng lo\u1ea1n, b\u00ecnh qu\u00e2n gi\u00e1 thi\u1ebfu c\u01a1 s\u1edf, d\u00f9ng margin qu\u00e1 \u0111\u00e0 hay tho\u00e1t h\u00e0ng sai th\u1eddi \u0111i\u1ec3m \u0111\u1ec1u c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c n\u1ebfu nh\u00e0 \u0111\u1ea7u t\u01b0 gi\u1eef \u0111\u01b0\u1ee3c k\u1ef7 lu\u1eadt v\u00e0 h\u00e0nh \u0111\u1ed9ng theo k\u1ebf ho\u1ea1ch. <\/p>\n

\u0110\u1ea7u t\u01b0 kh\u00f4ng ph\u1ea3i l\u00e0 cu\u1ed9c \u0111ua ng\u1eafn h\u1ea1n, m\u00e0 l\u00e0 h\u00e0nh tr\u00ecnh d\u00e0i v\u1edbi nhi\u1ec1u th\u1eed th\u00e1ch. Trong h\u00e0nh tr\u00ecnh \u0111\u00f3, bi\u1ebft m\u00ecnh l\u00e0 ai v\u00e0 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c h\u00e0nh vi l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 t\u1ed3n t\u1ea1i v\u00e0 th\u00e0nh c\u00f4ng b\u1ec1n v\u1eefng. <\/p>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"

Th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n kh\u00f4ng ch\u1ec9 l\u00e0 n\u01a1i c\u1ee7a nh\u1eefng c\u01a1 h\u1ed9i t\u0103ng gi\u00e1, m\u00e0 c\u00f2n l\u00e0 b\u00e0i ki\u1ec3m tra […]<\/p>","protected":false},"author":1,"featured_media":48934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[221],"tags":[],"class_list":["post-48933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chung-khoan"],"acf":[],"_links":{"self":[{"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/posts\/48933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/comments?post=48933"}],"version-history":[{"count":0,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/posts\/48933\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/media\/48934"}],"wp:attachment":[{"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/media?parent=48933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/categories?post=48933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hbbgroup.net\/vi\/wp-json\/wp\/v2\/tags?post=48933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}