Forbes -
29 Sep 2016 20:44

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Valero Energy Corp. (NYSE: 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). That number works out to 47.1% of VLO's average daily trading volume over the past month, of 5.5 million shares. Especially high...
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