Double Witching Days 2024 Meaning. A quad witching day, or quadruple witching, refers to the third friday of march, june, september, and december when stock options, index futures, stock futures, and stock. Quadruple witching days happen four times a year, on the third friday of the last month of each quarter, so march, june, september and december.
The last trading day before expiry of options and futures on the same underlying asset, resulting in a variety of arbitrage strategies to close out positions. Quadruple witching refers to a date where stock index futures, stock index options, stock options, and single stock futures expire simultaneously.