Cash Settlement. All open positions at close of last day of trading are settled in cash to the Special Opening Quotation (SOQ) on Friday a.m. of the S&P 500 Index.
not sure if tomorrow will be the last trading day for ES or not. if is, better to close the March options and rollover the March ES to June if you want to keep them.
It's June, Be carefull about cash settlement for ES and other index futures.
better close them before next Thursday ( futures and options ) or rollover the futures.