Notable Friday Option Activity: ZIOP, DAR, TRUE

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 22,543 contracts have traded so far, representing approximately 2.3 million underlying shares. That amounts to about 126.6% of ZIOP's average daily trading volume over the past month of 1.8 million shares..