Quadruple Witching A day on which contracts for stock index futures, stock index options, stock options and single stock futures (SSF) all expire. Investopedia Says: This is similar to the triple witching hour, except that the quadruple witching hour sees also the expiry of SSFs.
Quadruple witching days occur on the third Friday of March, June, September and December. Related Terms: Double Witching Futures Index Option Single Stock Future - SSF Standard & Poor's 500 Index - S&P 500 Triple Witching Volatility |