Noteworthy Friday Option Activity: ZIOP, DDD, EIGI

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in ZIOPHARM Oncology Inc (ZIOP), where a total of 10,208 contracts have traded so far, representing approximately 1.0 million underlying shares. That amounts to about 81.7% of ZIOP's average daily trading volume over the past month of 1.2 million shares..