$SPY SPDR S&amp;P 500 Option Alert: Sep 18 $300 Puts at the Ask: 482 @ $17.601 vs 46352 OI; Ref=$301.072 [5/29/2020, 12:52:04 PM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $PENN $FB $LOW $SQ $YUM $VICI $XLK $ZM $WFC $XLI $EWJ $TWTR