Noteworthy Wednesday Option Activity: ISRG, DD, SLCA
November 30, 2016 at 15:38 PM EST
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Intuitive Surgical Inc (ISRG), where a total volume of 1,766 contracts has been traded thus far today, a contract volume which is representative of approximately 176,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 43.3% of ISRG's average daily trading volume over the past month, of 407,505 shares..