$SPY SPDR S&amp;P 500 Option Alert: Mon $310 Puts Sweep (4) near the Ask: 950 @ $8.795 vs 6041 OI; Ref=$301.15 [6/29/2020, 4:33:16 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $SLV $EXK $AAL $PAAS $NCLH $AGNC $MGM $SPY $FB $EWZ $DIA $PENN