Noteworthy Monday Option Activity: ISRG, CXO, UNH
July 15, 2019 at 13:20 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Intuitive Surgical Inc (ISRG), where a total volume of 3,408 contracts has been traded thus far today, a contract volume which is representative of approximately 340,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 54.8% of ISRG's average daily trading volume over the past month, of 621,505 shares..