j*b2011-12-16 08:122 楼My guess is that because the way VIX is calculated, there are some expectedchanges in VIX due to option expiration (even if the market stays still).【在 o******e 的大作中提到】: 看看vix明年一月二月的30striking price的put,怎么time value是大幅度负值,-1.5刀: ,怎么回事?