Noteworthy Tuesday Option Activity: MRK, SYY, MON

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 44,321 contracts have traded so far, representing approximately 4.4 million underlying shares. That amounts to about 36.3% of MRK's average daily trading volume over the past month of 12.2 million shares..