$NKLA Nikola Option Alert: Jul 17 $45 Calls at the Ask: 300 @ $20.0 vs 1092 OI; Ref=$64.939 [6/19/2020, 8:46:52 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $HBI $TPR $HES $MR $T $OSTK $LQD $KR $FIT $MAC $GNUS $TEL