$SPY SPDR S&amp;P 500 Option Alert: Sep 18 $323 Puts Sweep (5) near the Ask: 509 @ $24.93 vs 2494 OI; Ref=$306.815 [6/2/2020, 1:15:13 PM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $FXI $KSS $NTNX $XLY $CNK $NLSN $NEE $BBD $IRBT $T $D $YNDX