$SPY SPDR S&amp;P 500 Option Alert: Jun 30 $309 Puts Sweep (28) near the Ask: 1732 @ $2.979 vs 2176 OI; Ref=$313.18 [6/23/2020, 4:31:53 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $PLUG $NTR $F $QQQ $ORCL $SLV $LK $T $MSFT $KGC $UPRO $FAS