Noteworthy Wednesday Option Activity: SEMG, GLUU, RHT

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in SemGroup Corp (SEMG), where a total of 6,969 contracts have traded so far, representing approximately 696,900 underlying shares. That amounts to about 102.1% of SEMG's average daily trading volume over the past month of 682,390 shares..