Cboe Nasdaq-100 BuyWrite IndexSM - The Index measures the total rate of return of a Nasdaq-100 covered call strategy that consists of holding a portfolio indexed to the Nasdaq-100 and selling a succession of one-month at-the-money Nasdaq-100 (NDX) call options listed on the PHLX exchange.
Nasdaq-100 Index® - The Index includes 100 of the largest domestic and international non-financial companies listed on The Nasdaq Stock Market based on market capitalization.
S&P 500® Index - The Index is an unmanaged index of 500 companies used to measure large-cap U.S. stock market performance.