Noteworthy Tuesday Option Activity: ESRX, SWKS, LEN

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Express Scripts Holding Co (ESRX), where a total of 26,320 contracts have traded so far, representing approximately 2.6 million underlying shares. That amounts to about 60.6% of ESRX's average daily trading volume over the past month of 4.3 million shares..