$NKLA Nikola Option Alert: Jul 2 $40 Calls at the Ask: 650 @ $26.0 vs 30 OI; Ref=$66.05 [6/19/2020, 6:16:46 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $PRU $AAL $PE $EXPE $CVX $GLD $MRNA $HRC $BSX $VMW $GM $IYR