Notable Wednesday Option Activity: SEMG, SRG, VRNT

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in SemGroup Corp (SEMG), where a total volume of 4,847 contracts has been traded thus far today, a contract volume which is representative of approximately 484,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 66.1% of SEMG's average daily trading volume over the past month, of 733,650 shares..