$NKLA Nikola Option Alert: Jan, 2022 $20 Calls at the Bid: 400 @ $47.201 vs 328 OI; Ref=$65.96 [6/18/2020, 8:03:31 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $T $XLF $CIEN $CRON $BA $XLE $SQQQ $UBER $IQ $TLT $NTES $W