Daily Market Commentary
OPEX Overload: How 3 Trillion In Expirations Can Move Markets
Nearly $3 trillion of notional stock options expire on Friday’s open expiration (OPEX day). Over half of the OPEX volume is in S&P 500 options, with the remainder in single stock options. The graph below provides details on the split between puts and calls, and the strike prices and open interest of the options. Almost […]