Notable Friday Option Activity: IIPR, HUMA, ANAB

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Innovative Industrial Properties Inc (IIPR), where a total volume of 4,052 contracts has been traded thus far today, a contract volume which is representative of approximately 405,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 190.3% of IIPR's average daily trading volume over the past month, of 212,950 shares..