{"id":30196,"date":"2023-12-07T09:02:48","date_gmt":"2023-12-07T09:02:48","guid":{"rendered":"https:\/\/masterskills.org\/blog\/con-dao-roi-falling-knife-trong-chung-khoan-la-gi-dac-diem.html"},"modified":"2023-12-23T06:12:18","modified_gmt":"2023-12-22T23:12:18","slug":"con-dao-roi-falling-knife-trong-chung-khoan-la-gi-dac-diem","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/con-dao-roi-falling-knife-trong-chung-khoan-la-gi-dac-diem.html","title":{"rendered":"Con dao r\u01a1i (Falling knife) trong ch\u1ee9ng kho\u00e1n l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m"},"content":{"rendered":"
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\u1ea2nh minh h\u1ecda. Ngu\u1ed3n: Investing Caffeine.<\/p>\n<\/div>\n<\/div>\n

Con dao r\u01a1i<\/font><\/b><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Con dao r\u01a1i<\/b> trong ti\u1ebfng Anh l\u00e0\u00a0Falling knife.<\/b><\/p>\n

Con dao r\u01a1i<\/b> l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef n\u00f3i l\u00f3ng, \u00e1m ch\u1ec9 s\u1ef1 gi\u1ea3m nhanh ch\u00f3ng c\u1ee7a m\u1ec7nh gi\u00e1 ho\u1eb7c gi\u00e1 tr\u1ecb c\u1ee7a ch\u1ee9ng kho\u00e1n. Thu\u1eadt ng\u1eef n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ee5m t\u1eeb nh\u01b0 “\u0111\u1eebng c\u1ed1 b\u1eaft con dao r\u01a1i”, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 “h\u00e3y ch\u1edd \u0111\u1ebfn l\u00fac gi\u00e1 ch\u1ea1m \u0111\u00e1y tr\u01b0\u1edbc khi mua n\u00f3”. M\u1ed9t con dao r\u01a1i c\u00f3 th\u1ec3 nhanh ch\u00f3ng b\u1eadt tr\u1edf l\u1ea1i – c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00f2n roi (whipsaw), ho\u1eb7c ch\u1ee9ng kho\u00e1n c\u00f3 th\u1ec3 m\u1ea5t t\u1ea5t c\u1ea3 gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3, nh\u01b0 trong tr\u01b0\u1eddng h\u1ee3p ph\u00e1 s\u1ea3n.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Con dao r\u01a1i<\/font><\/b><\/h3>\n

Thu\u1eadt ng\u1eef con dao r\u01a1i cho th\u1ea5y r\u1eb1ng vi\u1ec7c tham gia v\u00e0o m\u1ed9t th\u1ecb tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u dao \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u00f3 th\u1ec3 c\u1ef1c k\u00ec nguy hi\u1ec3m – gi\u1ed1ng nh\u01b0 c\u1ed1 g\u1eafng b\u1eaft m\u1ed9t con dao r\u01a1i th\u1ef1c s\u1ef1. Tuy nhi\u00ean trong th\u1ef1c t\u1ebf, c\u00f3 nhi\u1ec1u \u0111i\u1ec3m l\u1ee3i nhu\u1eadn kh\u00e1c nhau v\u1edbi m\u1ed9t con dao r\u01a1i. N\u1ebfu m\u1ed9t nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c \u0111\u00fang th\u1eddi \u0111i\u1ec3m d\u01b0\u1edbi c\u00f9ng c\u1ee7a m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m th\u00ec c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn \u0111\u00e1ng k\u1ec3 khi gi\u00e1 ph\u1ee5c h\u1ed3i.\u00a0<\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, mua ng\u1eafn h\u1ea1n khi gi\u00e1 gi\u1ea3m v\u00e0 tho\u00e1t ra tr\u01b0\u1edbc khi gi\u00e1 t\u0103ng tr\u1edf l\u1ea1i c\u0169ng c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i nhu\u1eadn. H\u01a1n n\u1eefa, ngay c\u1ea3 c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 mua v\u00e0 n\u1eafm gi\u1eef c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t con dao r\u01a1i nh\u01b0 m\u1ed9t c\u01a1 h\u1ed9i mua v\u1edbi \u0111i\u1ec1u ki\u1ec7n h\u1ecd c\u00f3 \u0111i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n \u0111\u1ec3 s\u1edf h\u1eefu c\u1ed5 phi\u1ebfu.<\/p>\n

\u0110i\u1ec1u \u0111\u00f3 n\u00f3i l\u00ean r\u1eb1ng, c\u00f3 m\u1ed9t r\u1ee7i ro r\u1ea5t th\u1ef1c t\u1ebf l\u00e0 th\u1eddi gian s\u1ebd r\u1ea5t g\u1ea5p r\u00fat v\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng t\u1ed5n th\u1ea5t \u0111\u00e1ng k\u1ec3 tr\u01b0\u1edbc khi c\u00f3 b\u1ea5t k\u00ec l\u1ee3i nhu\u1eadn n\u00e0o. V\u00ec v\u1eady, nhi\u1ec1u nh\u00e0 kinh doanh v\u1eabn hay n\u00f3i \u0111\u00f9a v\u1ec1 m\u1ed9t c\u00e2u ng\u1ea1n ng\u1eef: Thay v\u00ec c\u1ed1 g\u1eafng “b\u1eaft con dao r\u01a1i”, c\u00e1c nh\u00e0 giao d\u1ecbch n\u00ean t\u00ecm ki\u1ebfm x\u00e1c nh\u1eadn v\u1ec1 s\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c xu h\u01b0\u1edbng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ch\u1ec9 b\u00e1o k\u0129 thu\u1eadt v\u00e0 m\u1eabu bi\u1ec3u \u0111\u1ed3 kh\u00e1c. M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 s\u1ef1 x\u00e1c nh\u1eadn c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n nh\u01b0 ch\u1edd \u0111\u1ee3\u1ecb \u0111\u00e0 t\u0103ng trong m\u1ed9t v\u00e0i ng\u00e0y sau khi gi\u1ea3m ho\u1eb7c nh\u00ecn v\u00e0o\u00a0ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i\u00a0(RSI) \u0111\u1ec3 t\u00ecm d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t xu h\u01b0\u1edbng t\u0103ng m\u1ea1nh h\u01a1n tr\u01b0\u1edbc khi mua v\u00e0o xu h\u01b0\u1edbng m\u1edbi.<\/p>\n

C\u00e1ch s\u1eed d\u1ee5ng Con dao r\u01a1i<\/font><\/b><\/h3>\n

Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn t\u1eeb m\u1ed9t con dao r\u01a1i. Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p giao d\u1ecbch r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi th\u1eddi gian v\u00e0 \u0111\u00f2i h\u1ecfi nhi\u1ec1u c\u00f4ng c\u1ee5 h\u01a1n l\u00e0 ch\u1ec9 \u0111\u01a1n gi\u1ea3n x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u1ed5 phi\u1ebfu \u0111ang gi\u1ea3m m\u1ea1nh. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p c\u01a1 b\u1ea3n \u0111\u1ec3 b\u1eaft m\u1ed9t con dao r\u01a1i, vi\u1ec7c ki\u1ebfm l\u1ee3i nhu\u1eadn c\u00f3 th\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o l\u00ed do “r\u01a1i”.<\/p>\n

C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n ti\u1ec1m \u1ea9n kh\u00e1c nhau khi\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng con dao r\u01a1i x\u1ea3y ra, bao g\u1ed3m:<\/p>\n

B\u00e1o c\u00e1o thu nh\u1eadp: <\/i>C\u00e1c c\u00f4ng ty b\u00e1o c\u00e1o thu nh\u1eadp c\u1ee7a h\u1ecd th\u01b0\u1eddng b\u1ecb dao \u0111\u1ed9ng. N\u1ebfu k\u1ebft qu\u1ea3 t\u00e0i ch\u00ednh th\u1ea5p h\u01a1n d\u1ef1 ki\u1ebfn, c\u1ed5 phi\u1ebfu c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh con dao r\u01a1i cho \u0111\u1ebfn khi th\u1ecb tr\u01b0\u1eddng \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng.<\/p>\n

B\u00e1o c\u00e1o kinh t\u1ebf:<\/i> C\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh th\u01b0\u1eddng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c b\u00e1o c\u00e1o kinh t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00e1o c\u00e1o vi\u1ec7c l\u00e0m ho\u1eb7c c\u00e1c cu\u1ed9c h\u1ecdp c\u1ee7a U\u1ef7 ban th\u1ecb tr\u01b0\u1eddng m\u1edf Li\u00ean bang (FOMC). N\u1ebfu nh\u1eefng b\u00e1o c\u00e1o n\u00e0y l\u00e0 ti\u00eau c\u1ef1c, c\u1ed5 phi\u1ebfu c\u00f3 th\u1ec3 gi\u1ea3m m\u1ea1nh nh\u01b0 m\u1ed9t ph\u1ea3n \u1ee9ng nh\u1ea5t th\u1eddi.<\/p>\n

S\u1ef1 c\u1ed1 k\u0129 thu\u1eadt: <\/i>M\u1ed9t s\u1ed1 con dao r\u01a1i x\u1ea3y ra do c\u00e1c y\u1ebfu t\u1ed1 k\u0129 thu\u1eadt, ch\u1ee9 kh\u00f4ng ph\u1ea3i y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n. N\u1ebfu gi\u00e1 c\u1ed5 phi\u1ebfu gi\u1ea3m t\u1eeb m\u1ee9c trung b\u00ecnh, gi\u00e1 c\u00f3 th\u1ec3 gi\u1ea3m m\u1ea1nh h\u01a1n tr\u01b0\u1edbc khi nh\u1eadn \u0111\u01b0\u1ee3c nh\u1eefng s\u1ef1 h\u1ed7 tr\u1ee3 kh\u00e1c.<\/p>\n

Suy tho\u00e1i c\u01a1 b\u1ea3n: <\/i>\u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi c\u00f4ng ty ph\u1ea3i ch\u1ed1ng c\u1ef1 cho c\u1ed5 phi\u1ebfu ho\u1eb7c b\u1ecf l\u1ee1 m\u1ed9t ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t ch\u00ednh nh\u01b0 doanh thu, thu nh\u1eadp,… N\u00f3 c\u0169ng x\u1ea3y ra khi c\u00e1c c\u00f4ng ty b\u1ecb ph\u00e1t hi\u1ec7n l\u00e0m \u0111i\u1ec1u g\u00ec \u0111\u00f3 gian l\u1eadn ho\u1eb7c ch\u1ecbu thi\u1ec7t h\u1ea1i tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng. <\/p>\n

(Theo\u00a0Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Con dao r\u01a1i (ti\u1ebfng Anh: Falling knife) l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef n\u00f3i l\u00f3ng, \u00e1m ch\u1ec9 s\u1ef1 gi\u1ea3m nhanh ch\u00f3ng c\u1ee7a m\u1ec7nh gi\u00e1 ho\u1eb7c gi\u00e1 tr\u1ecb c\u1ee7a ch\u1ee9ng kho\u00e1n.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[417],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/30196"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=30196"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/30196\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=30196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=30196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=30196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}