The clearest measure of recent investor uncertainty is the VIX or volatilityindex, traded on the Chicago Board Options Exchange.
最近度量投资者们对市场的不确定性的最好方法是看看VIX即波动率指数，在芝加哥期权交易所交易。
2
The VIX, a widely watched measure of market volatility that is often referred to as the 'fear index, ' shot up to its highest level since late 2002.
广受关注的的VIX市场波动指数--常常被称为“恐慌指数”--也达到2002年以来的最高水平。
3
Yesterday's close of 80.86 was the highest for the VIX, formally known as the Chicago Board Options Exchange VolatilityIndex, since calculations started in 1990.