$NKLA Nikola Option Alert: Fri $30 Calls at the Bid: 540 @ $38.101 vs 485 OI; Ref=$68.18 [6/15/2020, 10:45:55 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $LVS $CME $GME $LQD $SIL $OXY $IAG $VAL $HCA $AZN $AMZN $SDS