$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $310 Puts Sweep (8) near the Ask: 326 @ $16.549 vs 20137 OI; Ref=$304.01 [6/24/2020, 10:54:38 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $PTON $BGCP $SAN $M $PUMP $APTV $PYPL $SAVE $NOW $BZH $BLDP $AMZN