Noteworthy Thursday Option Activity: CRM, YUM, JPM

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Salesforce.com Inc (NYSE: CRM), where a total volume of 16,539 contracts has been traded thus far today, a contract volume which is representative of approximately 1.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.9% of CRM's average daily trading volume over the past month, of 3.1 million shares. Particularly hig...