Quad Witching means contracts for stock index futures, stock index options, stock options AND single stock futures all expire. This occurs on the third Friday of March, June, September and December.

Single Stock Futures are the fourth type of derivative contract which can expire on triple witching day. This can cause the phenomenon to be called “quadruple witching,” although one term can ...

Yesterday we gave the markets an Upside bias as the indices were correlated that way, but the markets had other ideas. The ...

That guidance sent stocks lower. Then, quadruple witching, or “quad witch” day on Friday, December 20, will see the simultaneous expiration of four major financial instruments: stock index futures, ...