Noteworthy Thursday Option Activity: DVAX, BKH, GOOG

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Dynavax Technologies Corp (DVAX), where a total of 19,538 contracts have traded so far, representing approximately 2.0 million underlying shares. That amounts to about 230.3% of DVAX's average daily trading volume over the past month of 848,540 shares..