$SPY SPDR S&amp;P 500 Option Alert: Sep 18 $270 Puts Sweep (8) near the Ask: 1134 @ $7.655 vs 23798 OI; Ref=$311.88 [6/17/2020, 10:58:02 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $NLOK $LMT $USO $RTX $BA $TLT $DOW $VZ $PPL $BZUN $WW $ZS