L*w2010-02-05 08:024 楼Also pay attention to the time of last trade. Some options'volume is verythin and spread is large.
p*u2010-02-05 08:025 楼成交量还行,可能是两位大牛说的iv和vix的问题【在 L******w 的大作中提到】: Also pay attention to the time of last trade. Some options'volume is very: thin and spread is large.