Assertion: vix index | /r/HasProperty | constructed using implied volatilities
Facets:
value: on s&p 500 index options
type: LOCATION
Source sentences:
text: Being a forward looking index, it is constructed using the implied volatilities on S&P 500 index options (SPX) and represents the market's expectation of 30-day future volatility of the S&P 500 index which is considered the leading indicator of the broad U.S. stock market.