$SPY SPDR S&amp;P 500 Option Alert: Aug 21 $315 Puts Sweep (3) near the midpoint: 1100 @ $11.0 vs 13568 OI; Ref=$314.38 [7/7/2020, 10:45:39 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $DVN $PTON $SWBI $CMCSA $CVM $GDX $HON $SRNE $KWEB $CRC $MOMO $XBI