CBOE Launches Smile Index Based On Implied Volatilities Of S&P 500 Options - CBOE Launches Smile Index Based On Implied Volatilities Of S&P 500 Options

Chicago Board Options Exchange® (CBOE®) announced today that it has launched the CBOE S&P 500® Smile Index (Ticker: SMILE), a premium-capture strategy benchmark index based on the steepness of the curve of implied volatilities of S&P 500 Index (SPX) options -- often referred to as the "smile."