j*52014-08-05 07:0811 楼should keep more cash, 50%-70% cash.【在 m*s 的大作中提到】: 11%了,all in spy call的,今天割了1/8 call
j*52014-08-05 07:0813 楼also do not hold option for a long time, the decay will kill you.find a opportunity, get in and get out.