Quadruple Witching Day 2024. Learn how quadruple witching, formerly known as “triple witching,” influences equity trading, and explore the different types of contracts involved. Quadruple witching refers to the simultaneous expiration four times a year of stock options, index futures, and index futures options derivatives contracts.

Stock index futures, stock index options, stock options, and single stock futures. Quadruple witching days are the third fridays of march, june, september and december.