Notable Monday Option Activity: MRK, ALB, V
September 11, 2017 at 14:36 PM EDT
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Merck & Co Inc (MRK), where a total of 31,895 contracts have traded so far, representing approximately 3.2 million underlying shares. That amounts to about 45.4% of MRK's average daily trading volume over the past month of 7.0 million shares..