Notable Wednesday Option Activity: DVAX, SLGN, DISH

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 28,959 contracts have traded so far, representing approximately 2.9 million underlying shares. That amounts to about 371.6% of DVAX's average daily trading volume over the past month of 779,405 shares..