$GDX VanEck Vectors Gold Miners ETF Option Alert: Aug 21 $35 Calls Sweep (12) above Ask!: 3138 @ $1.835 vs 15003 OI; Ref=$33.05 [6/9/2020, 2:03:27 PM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $SNE $FB $TXRH $IWN $OVV $CIM $SCPL $MRK $PAAS $WY $NOG $ZNGA