Noteworthy Friday Option Activity: MCK, DOW, CHRW
May 19, 2017 at 15:10 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in McKesson Corp (MCK), where a total volume of 6,702 contracts has been traded thus far today, a contract volume which is representative of approximately 670,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 45.3% of MCK's average daily trading volume over the past month, of 1.5 million shares..