$COST Costco Wholesale Option Alert: Jul 17 $300 Calls Sweep (26) near the Ask: 358 @ $28.5 vs 1020 OI; Ref=$328.225 [7/9/2020, 10:15:43 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $CCJ $TAN $GSX $SQ $RRR $OIH $ARCC $LUV $NERV $GLUU $HD $PINS