市場指数
VIX CBOE Volatility Index
The VIX is a real-time index that represents the market's expectation of 30-day forward-looking volatility, derived from S&P 500 index option prices, often called the "fear gauge".
The VIX is a real-time index that represents the market's expectation of 30-day forward-looking volatility, derived from S&P 500 index option prices, often called the "fear gauge".