$QQQ Invesco QQQ Trust, Series 1 Option Alert: Jun, 2021 $250 Calls at the Ask: 3000 @ $15.5 vs 531 OI; Ref=$232.77 [6/1/2020, 10:27:38 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $AAPL $SLV $X $AVGO $NOW $WBA $NVAX $SPY $NXPI $TWTR $C $WORK