Notable Thursday Option Activity: VLO, PFE, AGN
September 29, 2016 at 14:42 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Valero Energy Corp. (VLO), where a total volume of 25,706 contracts has been traded thus far today, a contract volume which is representative of approximately 2.6 million underlying shares (given that every 1 contract represents 100 underlying shares)..