$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $300 Puts Sweep (5) near the Ask: 750 @ $9.731 vs 5773 OI; Ref=$312.16 [6/3/2020, 2:59:20 PM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $MAS $FXI $SPCE $MRK $REVG $MRO $FCAU $VYM $PG $MRVL $WRTC $DUST