Noteworthy Thursday Option Activity: UNP, HIG, MRK
July 27, 2017 at 13:31 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Union Pacific Corp (UNP), where a total volume of 18,960 contracts has been traded thus far today, a contract volume which is representative of approximately 1.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 57.4% of UNP's average daily trading volume over the past month, of 3.3 million shares..