Notable Thursday Option Activity: EXAM, HLX, CBI

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in ExamWorks Group Inc (EXAM), where a total of 1,800 contracts have traded so far, representing approximately 180,000 underlying shares. That amounts to about 47.5% of EXAM's average daily trading volume over the past month of 379,280 shares..