Noteworthy Wednesday Option Activity: CSII, GNC, DBX

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Cardiovascular Systems, Inc (CSII), where a total of 3,168 contracts have traded so far, representing approximately 316,800 underlying shares. That amounts to about 128.2% of CSII's average daily trading volume over the past month of 247,100 shares..