Triple Witching

Triple witching is a term that refers to the third Friday of March, June, September, and December, when the quarterly expiration of stock options, stock index futures contracts, and stock index options contracts all occur on the same day.
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Triple witching takes place four times each year and is often accompanied by increased volatility and trading activity in the market. As options and futures contracts expire, investors must close or offset their position or roll out existing positions to a future expiration date. The position management amplifies volume, specifically at the end of the trading session Friday afternoon.

Options Expiration Calendar 2021 Dates
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