It’s quadruple-witching day for the stock market. But don’t be scared!
December 15, 2017 at 10:20 AM EST
It is so-called quadruple witching day, but it may not be as frightful as it sounds. The spooky-sounding term occurs on the third Friday of the last month of every quarter, in March, June, September, and December, and refers to the simultaneous expiration of options and futures tied to individual stocks and stock-indexes.