$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $310 Puts Sweep (16) near the Ask: 326 @ $16.548 vs 20137 OI; Ref=$304.005 [6/24/2020, 10:54:37 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $SE $CMP $ITUB $PLUG $APD $SRNE $M $FL $CMCSA $ZM $PAGP $SIL