Quadruple Witching - Definition
The third Friday of March, June, September and December when Index Futures, Options on Index Futures, Single Stock Futures and Stock Options expire together.


Quadruple Witching - Introduction
Quadruple Witching days, also known as Quad Witch, are the four days in a year where the combined effects of derivative traders exercising their in the money options and taking delivery on their futures contracts as well as traders practising arbitrage made Quadruple Witching one of the most turbulent and heavily traded days of the year. Quadruple witching is one of the most important days to take note of in options trading and this tutorial will discuss why it happens and how it affects your options trading.