March 17, 2023 Option Expiration (Triple Witching) St Patty's Day SPY Options Strikes 380 tp 395 Open Interest (OI): Calls 178,372................. Puts 955,502 The Market has a floor under it through the March Monthly Expiration Puts out number Calls up to the 400 strike https://finance.yahoo.com/quote/SPY/options?p=SPY&date=1679011200