Markets were buoyant on Thursday ahead of Friday's triple-witching, which refers to the simultaneous expiration of stock options, index options, and index futures contracts. Triple-witching often ...

In modern trading, triple witching happens on the third Friday of March, June, September, and December (the last month of each quarter). In the U.S. stock market, the last hour of the trading day ...

The third Friday of March, June, September, and December are called triple witching days because stock options, stock index futures, and stock index options all expire on the same day. That ...

Friday is what's known as a triple witching day–the once-a-quarter phenomenon when stock options, stock index futures, and stock index options all expire on the same day. Some investors are ...