Overnight activity included 90 trades in SPX and 19 trades in VIX (TheFlyOnTheWall)
FLY ON THE WALL 9:18 AM ET 5/10/2017
90 trades were executed in SPX overnight, totaling 240 contracts, with 42.5% of the volume marked spread. 19 trades were executed in VIX overnight, totaling 1485 contracts, with 1.3% of the volume marked spread.