B¨ºn cnh ¨®, l trt c¨°n c bit n vi t¨ºn gi l¨¤ l xi¨ºn. C¨¢ch ¨¢nh l xi¨ºn cng kh¨¢ n gin khng phi tr¨²ng ht th¨¬ mi thng ln, c¨°n vi l xi¨ºn trt th¨¬ thua ht mi tr¨²ng c. Vi c¨¢ch ¨¢nh nh l thng thng, l xi¨ºn trt bao gi cng c¨® t l n cao hn hn. Nhng thng thua cng c¨°n ph thuc v¨¤o h¨¬nh thc, c¨¢ch chi cng nh l¨¤ c¨¢ch v¨¤o tin ca tng ngi. Tool t¨¤i xu c¨® g¨¬ c bit? Khng c¨¢ cc khi tm trng bun hoc ang k¨ªch ng Phng ph¨¢p Bc nh l theo ui cm. T¨¤i xu chi nh n¨¤o, d hay kh¨®? t ri ro hn. T qu c¨® cht c 3 i thng khng? Kh¨¢i nim hack bn c¨¢ X¨¬ d¨¢ch c¨¢i bao nhi¨ºu c x¨¦t? Thng k¨º trc trn l¨¤ c s quan trng d o¨¢n s lng pht g¨®c. Ngi chi n¨ºn theo di d liu trung b¨¬nh trong ¨ªt nht 5 trn gn nht. C¨¢c ch s nh t l kim so¨¢t b¨®ng, s ln tn cng bi¨ºn v¨¤ s c¨² s¨²t b cn ph¨¢ u nh hng trc tip. Chin lc nng cao vi bc nh l t cc i phi nhn th pht u ti¨ºn t trng t¨¤i,

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