Notable Friday Option Activity: IMPV, MDCO, YELP
September 23, 2016 at 11:43 AM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Imperva Inc. (IMPV), where a total volume of 13,486 contracts has been traded thus far today, a contract volume which is representative of approximately 1.3 million underlying shares (given that every 1 contract represents 100 underlying shares)..