$SPY SPDR S&amp;P 500 Option Alert: Dec 18 $300 Puts at the Bid: 500 @ $23.621 vs 36793 OI; Ref=$304.71 [6/24/2020, 10:40:28 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $CNC $EWG $PYPL $PUMP $STAA $SSRM $DIS $DVAX $KSS $AMZN $PE $GGB