Noteworthy Tuesday Option Activity: CAM, DO, SPLS

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Cameron International Corp (CAM), where a total volume of 53,373 contracts has been traded thus far today, a contract volume which is representative of approximately 5.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 142.6% of CAM's average daily trading volume over the past month, of 3.7 million shares..