$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $311 Puts Sweep (60) near the Ask: 4049 @ $9.633 vs 8787 OI; Ref=$313.79 [7/10/2020, 4:34:54 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $DAL $MSFT $FXI $SPY $EEM $SDOW $XBI $AMD $QQQ $WMT $GLD $UBER