Brewing up volatility: Why and how triple witching days can shake up markets
Watch out for the witching hour.© pe3check/stock.adobe.com, © TSViPhoto/stock.adobe.com; Photo illustration Encyclopædia Britannica, Inc.Halloween comes just once a year, but Wall Street types don’t mind a good scare more often—in the form of a financial market phenomenon known as triple witching. It happens on a certain date every quarter, and even though everyone knows it’s coming, triple witching can...