Noteworthy Friday Option Activity: CRM, UNH, NCLH

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Salesforce Inc (CRM), where a total volume of 29,505 contracts has been traded thus far today, a contract volume which is representative of approximately 3.0 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.7% of CRM's average daily trading volume over the past month, of 5.6 million shares..