$GDX VanEck Vectors Gold Miners ETF Option Alert: Aug 21 $33 Calls Sweep (32) near the Ask: 2000 @ $3.75 vs 2985 OI; Ref=$34.42 [5/28/2020, 10:14:42 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $EXPE $WYNN $QCOM $APPN $DVN $UAL $EWZ $BIG $GDX $OLLI $DHC $MA