Noteworthy Thursday Option Activity: ISRG, DISCA, UNP
April 18, 2019 at 13:34 PM EDT
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Intuitive Surgical Inc (ISRG), where a total of 11,591 contracts have traded so far, representing approximately 1.2 million underlying shares. That amounts to about 203.1% of ISRG's average daily trading volume over the past month of 570,635 shares..