$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $315 Calls Sweep (118) near the Ask: 11051 @ $8.691 vs 20725 OI; Ref=$306.96 [6/25/2020, 10:33:11 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $FISV $MAR $DHT $CHWY $ET $USO $MRK $BAC $EOG $XLB $NUGT $PRDO