chi ba cy hiu qu, hi vi¨ºn khng ch da v¨¤o may ri m¨¤ cn nm c mt s chin lc nng cao t l thng. Lut ti trng Tng dn mc cc: Khi thng li¨ºn tip, hy tng dn mc cc tng li nhun. Tin li = Tin cc ban u . T l cc. Tn dng qun c bit t cc k¨¨o chu u cht lng, bn tuyt i khng c qu¨ºn li nhc nh n¨¤y. Tuyt i khng la chn theo a s m¨¤ phi tin ch¨ªnh m¨¬nh. Bi nh¨¤ c¨¢i cht k¨¨o theo d¨°ng tin, k¨¨o n¨¤o c¨¤ng c nhiu ngi tin v¨¤o th¨¬ kh nng thua c¨¤ng cao. K¨ªch thc sn cng l¨¤ yu t ¨¢ng ch¨² . Sn rng gi¨²p c¨¢c i tn cng bi¨ºn hiu qu hn, s pht g¨®c nh ¨® tng. Ngo¨¤i ra, mt c k¨¦m cht lng c¨® th khin c¨² s¨²t hoc ng chuyn b lch, to th¨ºm c hi ¨¢ g¨®c. V¨ª d, thng k¨º ti Ngoi hng Anh cho thy c¨¢c trn ma c¨® t l pht g¨®c cao hn 18%. S dng chin thut gi c¨¢c l¨¢ b¨¤i mnh n thi im th¨ªch hp im phn bit r nht gia b¨¤i chn vi t Tm ch¨ªnh l¨¤ s lng qun b¨¤i s dng. Theo ¨®, b¨¤i chn ch c¨® 100 qun v¨¤ lc bt 20 l¨¢ so vi t tm vi c¨¢c qun: Nht vn, nht s¨¢ch, nht vn, thng v¨¤ lo. Ch¨ªnh v¨¬ iu n¨¤y n¨ºn anh em s khng phi nh qu¨¢ nhiu, c¨¢ch ¨¢nh cng n gin hn. B¨ºn cnh ¨®, kin thc v thut ng ¨¢ g¨¤ c¨® th l¨¤m gim thiu ri ro khi c k¨¨o, phn t¨ªch t l cc c¨´ng vi la chn phng ¨¢n t cc ti u. Ti nh¨¤ c¨¢i, ¨¢p dng nhm g¨®p phn nng cao hiu qu v¨¤ gia tng c hi chin thng. C¨°n khi c¨® kt qu chung cuc 2 i h¨°a nhau => Bn s mt na tin cc l¨²c u ca bn. Qun l xu l¨¤ yu t quan trng chi lu d¨¤i trong Bn C¨¢ X¨¨ng. Khng n¨ºn bn qu¨¢ nhiu v¨¤o mc ti¨ºu nh khi lng xu hn ch. Tng dn xu khi im thng cao, tr¨¢nh ri ro. Nn tng h tr ngi chi thng k¨º xu ti¨ºu v¨¤ xu kim, gi¨²p lp k hoch hiu qu. Ngi chi c¨® th t mc ti¨ºu mi v¨°ng, m bo phn thng trung b¨¬nh 50 ¨C 200 xu mi lt bn.

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