Notable Thursday Option Activity: BDSI, XOM, CAR

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in BioDelivery Sciences International Inc (BDSI), where a total of 15,472 contracts have traded so far, representing approximately 1.5 million underlying shares. That amounts to about 110.7% of BDSI's average daily trading volume over the past month of 1.4 million shares..