Notable Tuesday Option Activity: VLO, CAT, LOW
January 16, 2018 at 13:27 PM EST
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 21,239 contracts has been traded thus far today, a contract volume which is representative of approximately 2.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 71% of VLO's average daily trading volume over the past month, of 3.0 million shares..