Wall Street's“恐慌指数”VIX指数与标普500指数同步上涨,因看涨期权购买量创纪录
通常情况下,股票与Cboe波动率指数(VIX)仅约20%的时间同向变动。然而,在周二标普500指数上涨1.8%期间,VIX指数上涨了一个点,并在周三交易初期继续与股市一同上涨。这种现象发生在VIX指数处于低位且市场快速上涨时,大量看涨期权购买迫使VIX指数上升。Cboe数据显示,周二标普500指数期权交易量超过400万份,创历史新高;同时,纳斯达克100指数看涨期权价格飙升42%,创五年最大单日涨幅,这表明看涨情绪高涨,推高了期权价格和隐含波动率,从而使VIX指数随股市一同走高。
Source:CNBC头条 · Source Link
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