$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $306 Puts Sweep (7) near the Ask: 455 @ $11.391 vs 2507 OI; Ref=$307.0025 [6/30/2020, 9:34:01 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $LOW $IONS $PG $APA $GE $WORK $QGEN $INTC $LEN $NTR $DLTR $GSX