$NKLA Nikola Option Alert: Jan 15 $25 Calls at the Bid: 850 @ $39.8 vs 207 OI; Ref=$64.06 [6/17/2020, 11:03:29 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $WYNN $JBLU $SPOT $XOM $F $VIAC $NVAX $VG $CAT $UPS $EFA $YY