Noteworthy Wednesday Option Activity: DLB, NBR, CHRS

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Dolby Laboratories Inc (DLB), where a total of 2,723 contracts have traded so far, representing approximately 272,300 underlying shares. That amounts to about 98.8% of DLB's average daily trading volume over the past month of 275,605 shares..