Notable Tuesday Option Activity: ZIOP, ELLI, HFC

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 13,715 contracts have traded so far, representing approximately 1.4 million underlying shares. That amounts to about 57.7% of ZIOP's average daily trading volume over the past month of 2.4 million shares..