卖裸体期权可以连胜99次,
文章来源: basicenglish2016-08-05 00:59:04

但大亏的那一次就能让账户差不多归零了

和 Mark Spitznagel 的做法正好相反

胜率高不等同于胜算高

胜算 = 胜率 * 赚幅 - 赔率 * 赔幅
(Edge = winning percentage * average gain - losing percentage * average loss)