Trong \u0111\u1ea1i d\u01b0\u01a1ng \u0111\u1ea7u t\u01b0 t\u00e0i ch\u00ednh r\u1ed9ng l\u1edbn, vi\u1ec7c ch\u1ecdn m\u1ed9t \u201cng\u01b0\u1eddi c\u1ea7m l\u00e1i\u201d xu\u1ea5t s\u1eafc th\u01b0\u1eddng quan tr\u1ecdng h\u01a1n vi\u1ec7c ch\u1ecdn m\u1ed9t con t\u00e0u l\u1ed9ng l\u1eaby. Nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u00e3 quen v\u1edbi vi\u1ec7c b\u1ecb thu h\u00fat b\u1edfi l\u1ee3i nhu\u1eadn r\u1ef1c r\u1ee1 trong ng\u1eafn h\u1ea1n m\u00e0 b\u1ecf qua nh\u1eefng r\u1ee7i ro to l\u1edbn \u0111ang \u1ea9n n\u1ea5p d\u01b0\u1edbi t\u1ea3ng b\u0103ng tr\u00f4i. Khi l\u1ef1a ch\u1ecdn nh\u00e0 giao d\u1ecbch, c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd qu\u1ef9 chuy\u00ean nghi\u1ec7p th\u1ef1c s\u1ef1 kh\u00f4ng bao gi\u1edd tin t\u01b0\u1edfng m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng v\u00e0o nh\u1eefng l\u1ea7m t\u01b0\u1edfng tr\u1ee5c l\u1ee3i ng\u1eafn h\u1ea1n. Thay v\u00e0o \u0111\u00f3, ch\u00fang xuy\u00ean qua b\u1ec1 m\u1eb7t nh\u01b0 tia X v\u00e0 \u0111\u00e1nh v\u00e0o c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng giao d\u1ecbch. Nh\u01b0 c\u00e2u ch\u00e2m ng\u00f4n \u0111\u1ea7u t\u01b0 s\u00e2u s\u1eafc \u0111\u00e3 n\u00f3i: \u201c\u0110\u1eebng ch\u1ec9 nh\u00ecn v\u00e0o t\u1ef7 su\u1ea5t l\u1ee3i nhu\u1eadn m\u00e0 h\u00e3y nh\u00ecn xem ai c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t sau c\u01a1n b\u00e3o\u201d.<\/p>\n
\u0110\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ed9t nh\u00e0 giao d\u1ecbch nh\u01b0 m\u1ed9t t\u1ed5 ch\u1ee9c chuy\u00ean nghi\u1ec7p, tr\u01b0\u1edbc ti\u00ean b\u1ea1n ph\u1ea3i c\u1ea3nh gi\u00e1c v\u1edbi \"b\u1eaby t\u1ef7 l\u1ec7 th\u1eafng\". T\u1ef7 l\u1ec7 th\u1eafng cao th\u01b0\u1eddng mang l\u1ea1i cho c\u00e1c nh\u00e0 giao d\u1ecbch c\u1ea3m gi\u00e1c an to\u00e0n sai l\u1ea7m, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a t\u1ef7 l\u1ec7 l\u00e3i l\u1ed7 h\u1ee3p l\u00fd, t\u1ef7 l\u1ec7 th\u1eafng cao c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh n\u01a1i sinh s\u1ea3n c\u1ee7a thua l\u1ed7. V\u00ed d\u1ee5: m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng 70% s\u1ebd v\u1eabn c\u00f3 gi\u00e1 tr\u1ecb k\u1ef3 v\u1ecdng d\u00e0i h\u1ea1n \u00e2m n\u1ebfu m\u1ed7i kho\u1ea3n l\u00e3i ch\u1ec9 c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp \u0111\u01b0\u1ee3c 1\/3 s\u1ed1 l\u1ea7n thua l\u1ed7. Do \u0111\u00f3, khi ki\u1ec3m tra t\u1ef7 l\u1ec7 th\u1eafng, ph\u1ea3i nghi\u00ean c\u1ee9u v\u00e0 \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n d\u1ef1a tr\u00ean t\u1ef7 l\u1ec7 sinh l\u1eddi (t\u1ed5ng l\u1ee3i nhu\u1eadn chia cho t\u1ed5ng thua l\u1ed7) v\u00e0 t\u1ef7 l\u1ec7 r\u1ee7i ro-l\u1ee3i nhu\u1eadn. Ch\u1ec9 khi t\u1ef7 l\u1ec7 r\u1ee7i ro-l\u1ee3i nhu\u1eadn \u0111\u1ea1t 1:2 ho\u1eb7c th\u1eadm ch\u00ed cao h\u01a1n v\u00e0 l\u1ee3i nhu\u1eadn \u1ed5n \u0111\u1ecbnh l\u1edbn h\u01a1n 1,3 th\u00ec chi\u1ebfn l\u01b0\u1ee3c m\u1edbi c\u00f3 c\u01a1 s\u1edf to\u00e1n h\u1ecdc \u0111\u1ec3 ti\u1ebfp t\u1ee5c t\u1ed3n t\u1ea1i trong m\u00f4i tr\u01b0\u1eddng th\u1ecb tr\u01b0\u1eddng th\u1ef1c t\u1ebf.<\/p>\n
N\u1ebfu l\u1ee3i nhu\u1eadn l\u00e0 ng\u1ecdn gi\u00e1o t\u1ea5n c\u00f4ng th\u00ec m\u1ee9c tho\u00e1i lui t\u1ed1i \u0111a l\u00e0 l\u00e1 ch\u1eafn ph\u00f2ng th\u1ee7. \u0110\u00f3 l\u00e0 ch\u1ec9 s\u1ed1 c\u1ed1t l\u00f5i \u0111\u1ec3 ph\u00e2n bi\u1ec7t ng\u01b0\u1eddi s\u1ed1ng s\u00f3t v\u1edbi k\u1ebb thua cu\u1ed9c. M\u1ee9c r\u00fat v\u1ed1n t\u1ed1i \u0111a \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 m\u00e0 gi\u00e1 tr\u1ecb r\u00f2ng c\u1ee7a t\u00e0i kho\u1ea3n gi\u1ea3m t\u1eeb \u0111\u1ec9nh l\u1ecbch s\u1eed xu\u1ed1ng \u0111\u00e1y, \u0111i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 kh\u00f3 thu h\u1ed3i v\u1ed1n. D\u1eef li\u1ec7u cho th\u1ea5y r\u1eb1ng sau khi g\u1eb7p ph\u1ea3i m\u1ee9c tho\u00e1i lui t\u1ed1i \u0111a 50%, m\u1ee9c t\u0103ng 100% ti\u1ebfp theo l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ea7u nh\u01b0 kh\u00f4ng thu h\u1ed3i \u0111\u01b0\u1ee3c v\u1ed1n. \u0110\u00f2n t\u00e0n kh\u1ed1c n\u00e0y th\u01b0\u1eddng g\u00e2y t\u1eed vong. M\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t r\u1ee7i ro tuy\u1ec7t v\u1eddi y\u00eau c\u1ea7u m\u1ee9c r\u00fat v\u1ed1n t\u1ed1i \u0111a ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong v\u00f2ng 20%, l\u00fd t\u01b0\u1edfng l\u00e0 d\u01b0\u1edbi 15%, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng khi \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng c\u1ef1c k\u1ef3 b\u1ea5t l\u1ee3i x\u1ea3y ra, s\u1ed1 ti\u1ec1n v\u1eabn n\u1eb1m trong ph\u1ea1m vi c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 s\u1eeda ch\u1eefa \u0111\u01b0\u1ee3c.<\/p>\n
Ngo\u00e0i ra, t\u1ef7 l\u1ec7 Sharpe l\u00e0 th\u01b0\u1edbc \u0111o quan tr\u1ecdng \u0111\u1ec3 lo\u1ea1i b\u1ecf may m\u1eafn v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng l\u1ee3i nhu\u1eadn. Hai nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u1ec1u \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn 30% trong su\u1ed1t m\u1ed9t n\u0103m, nh\u01b0ng m\u1ed9t ng\u01b0\u1eddi ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng s\u1ef1 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh l\u00ean t\u1edbi 25%, trong khi ng\u01b0\u1eddi kia ch\u1ec9 tr\u1ea3i qua bi\u1ebfn \u0111\u1ed9ng 8%. R\u00f5 r\u00e0ng, t\u1ef7 l\u1ec7 Sharpe c\u1ee7a c\u00e1i sau cao h\u01a1n, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn v\u01b0\u1ee3t m\u1ee9c cao h\u01a1n khi gi\u1ea3 \u0111\u1ecbnh c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb r\u1ee7i ro. N\u00f3i chung, t\u1ef7 l\u1ec7 Sharpe v\u01b0\u1ee3t qu\u00e1 1,0 cho th\u1ea5y m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c h\u1ee3p l\u00fd, trong khi t\u1ef7 l\u1ec7 Sharpe v\u01b0\u1ee3t qu\u00e1 2,0 cho th\u1ea5y kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd \u0111\u1ea7u t\u01b0 xu\u1ea5t s\u1eafc.<\/p>\n
Cu\u1ed1i c\u00f9ng, s\u1ef1 \u1ed5n \u0111\u1ecbnh trong l\u1ecbch s\u1eed v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n trong phong c\u00e1ch l\u00e0 nh\u1eefng ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 tr\u01b0\u1edfng th\u00e0nh c\u1ee7a m\u1ed9t nh\u00e0 giao d\u1ecbch. M\u00f4i tr\u01b0\u1eddng th\u1ecb tr\u01b0\u1eddng \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng. C\u00e1c nh\u00e0 giao d\u1ecbch xu\u1ea5t s\u1eafc s\u1ebd kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ed9t logic chi\u1ebfn l\u01b0\u1ee3c duy nh\u1ea5t m\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i theo xu h\u01b0\u1edbng t\u0103ng gi\u00e1 ho\u1eb7c th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng, th\u1ec3 hi\u1ec7n s\u1ef1 m\u1ea1nh m\u1ebd m\u1ea1nh m\u1ebd. Quan tr\u1ecdng h\u01a1n, h\u1ecd ph\u1ea3i c\u00f3 tri\u1ebft l\u00fd \u0111\u1ea7u t\u01b0 r\u00f5 r\u00e0ng, \u1ed5n \u0111\u1ecbnh v\u00e0 ki\u00ean quy\u1ebft ch\u1ea5m d\u1ee9t t\u00ecnh tr\u1ea1ng \u201ctr\u00f4i d\u1ea1t phong c\u00e1ch\u201d x\u1ea3y ra khi theo \u0111u\u1ed5i c\u00e1c \u0111i\u1ec3m n\u00f3ng ng\u1eafn h\u1ea1n. Cho d\u00f9 kinh nghi\u1ec7m ngh\u1ec1 nghi\u1ec7p c\u1ee7a m\u1ed9t ng\u01b0\u1eddi \u0111\u00e3 tr\u1ea3i qua m\u1ed9t chu k\u1ef3 t\u0103ng gi\u00e1 ho\u00e0n ch\u1ec9nh hay ch\u01b0a, li\u1ec7u ng\u01b0\u1eddi \u0111\u00f3 c\u00f3 tr\u1ea3i qua nh\u1eefng b\u00e0i h\u1ecdc kh\u1eafc nghi\u1ec7t nh\u01b0 thanh l\u00fd t\u00e0i s\u1ea3n v\u00e0 thi\u1ebft l\u1eadp m\u1ed9t k\u1ef7 lu\u1eadt nghi\u00eam ng\u1eb7t hay kh\u00f4ng, \u0111\u1ec1u l\u00e0 nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 s\u1ef1 d\u1ebbo dai tinh th\u1ea7n v\u00e0 kh\u1ea3 n\u0103ng th\u1ef1c t\u1ebf c\u1ee7a m\u1ed9t ng\u01b0\u1eddi.<\/p>\n
T\u00f3m l\u1ea1i, s\u00e0ng l\u1ecdc c\u00e1c nh\u00e0 giao d\u1ecbch kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i \u0111\u01a1n gi\u1ea3n v\u1edbi nh\u1eefng con s\u1ed1 m\u00e0 l\u00e0 m\u1ed9t cu\u1ed9c ki\u1ec3m tra s\u00e2u s\u1eafc v\u1ec1 b\u1ea3n ch\u1ea5t con ng\u01b0\u1eddi, t\u00ednh k\u1ef7 lu\u1eadt v\u00e0 t\u01b0 duy c\u00f3 h\u1ec7 th\u1ed1ng. Nh\u00ecn r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a l\u1ee3i nhu\u1eadn v\u00e0 thua l\u1ed7 th\u00f4ng qua s\u01b0\u01a1ng m\u00f9 c\u1ee7a t\u1ef7 l\u1ec7 th\u1eafng, \u0111o l\u01b0\u1eddng \u0111i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ee7a s\u1ef1 s\u1ed1ng s\u00f3t th\u00f4ng qua m\u1ee9c r\u00fat v\u1ed1n t\u1ed1i \u0111a, x\u00e1c \u0111\u1ecbnh c\u00f4ng ngh\u1ec7 th\u1ef1c s\u1ef1 v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a t\u1ef7 l\u1ec7 Sharpe v\u00e0 x\u00e1c minh ni\u1ec1m tin \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea1n b\u1eb1ng s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u1ecbch s\u1eed l\u00e2u d\u00e0i. Ch\u1ec9 b\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp m\u1ed9t radar \u0111\u00e1nh gi\u00e1 ba chi\u1ec1u v\u00e0 \u0111a chi\u1ec1u nh\u01b0 v\u1eady, c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 m\u1edbi c\u00f3 th\u1ec3 nh\u1eafm m\u1ee5c ti\u00eau ch\u00ednh x\u00e1c v\u00e0o nh\u1eefng nh\u00e0 giao d\u1ecbch xu\u1ea5t s\u1eafc, nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 v\u01b0\u1ee3t qua chu k\u1ef3 v\u00e0 ti\u1ebfn l\u00ean m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh trong th\u1ecb tr\u01b0\u1eddng lu\u00f4n thay \u0111\u1ed5i.<\/p>","protected":false},"excerpt":{"rendered":"
Kh\u00f4ng ch\u1ec9 nh\u00ecn v\u00e0o t\u1ef7 l\u1ec7 ho\u00e0n v\u1ed1n m\u00e0 c\u00f2n nh\u00ecn v\u00e0o ai c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t sau c\u01a1n b\u00e3o! B\u00e0i vi\u1ebft n\u00e0y th\u00e2m nh\u1eadp huy\u1ec1n tho\u1ea1i v\u1ec1 l\u1ee3i nhu\u1eadn kh\u1ed5ng l\u1ed3 nh\u01b0 tia X, \u0111\u1ed3ng th\u1eddi ph\u00e1 b\u1ecf s\u00e2u s\u1eafc c\u00e1c ch\u1ec9 b\u00e1o \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111a chi\u1ec1u \u0111\u01b0\u1ee3c c\u00e1c t\u1ed5 ch\u1ee9c chuy\u00ean nghi\u1ec7p s\u1eed d\u1ee5ng \u0111\u1ec3 s\u00e0ng l\u1ecdc c\u00e1c nh\u00e0 giao d\u1ecbch. N\u00f3 ph\u00e2n t\u00edch to\u00e0n di\u1ec7n c\u00e1ch ph\u00e1 b\u1eaby t\u1ef7 l\u1ec7 th\u1eafng \u0111\u1ec3 c\u00e2n b\u1eb1ng t\u1ef7 l\u1ec7 r\u1ee7i ro-l\u1ee3i nhu\u1eadn, s\u1eed d\u1ee5ng m\u1ee9c r\u00fat v\u1ed1n t\u1ed1i \u0111a \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ee7a s\u1ef1 s\u1ed1ng c\u00f2n, s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 Sharpe \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00f4ng ngh\u1ec7 th\u1ef1c v\u00e0 x\u00e1c minh k\u1ef7 lu\u1eadt \u0111\u1ea7u t\u01b0 v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh trong l\u1ecbch s\u1eed gi\u1eefa xu h\u01b0\u1edbng t\u0103ng v\u00e0 gi\u1ea3m, gi\u00fap c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nh\u1eefng nh\u00e0 l\u00e3nh \u0111\u1ea1o xu\u1ea5t s\u1eafc \u0111\u00e3 v\u01b0\u1ee3t qua chu k\u1ef3.<\/p>","protected":false},"author":1,"featured_media":10050,"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":[1102,1117,1118],"class_list":["post-10049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-1102","tag-1117","tag-1118"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10049","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=10049"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10049\/revisions"}],"predecessor-version":[{"id":10051,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10049\/revisions\/10051"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/10050"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=10049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=10049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=10049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}