greenback 发表于 2011-10-10 12:08 VIX is stuck at 34.2 and the put/call ratio is very high
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xiaochong 发表于 2011-10-10 12:15 要是vix 过期日,低于40,那么40的put如何被执行
ByStander 发表于 2011-10-10 12:26 Same as SPX options
xiaochong 发表于 2011-10-10 12:37 cash settlement?
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