$SPY SPDR S&amp;P 500 Option Alert: Sep 18 $315 Calls Sweep (10) near the midpoint: 600 @ $14.919 vs 39817 OI; Ref=$312.18 [6/16/2020, 6:58:33 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $VZ $FISV $WUBA $UPRO $OKTA $JCI $XLE $CGC $JNPR $UL $PVH $CAT