$NIO NIO Option Alert: Aug 21 $10 Calls Sweep (3) near the Ask: 2262 @ $2.911 vs 27721 OI; Ref=$11.1317 [7/6/2020, 9:33:25 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $DKS $XOP $HPQ $PAM $XHB $KOS $SPWR $VZ $ATNM $CHWY $NIO $NCLH