$IWM iShares Russell 2000 ETF Option Alert: Dec 18 $170 Calls at the Bid: 1500 @ $3.871 vs 9438 OI; Ref=$151.43 [6/5/2020, 11:15:33 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $ENPH $FB $MSFT $NAT $TLT $EFC $QEP $SM $DAL $SAND $DUK $GE