Notable Tuesday Option Activity: HAL, AAL, MLM

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Halliburton Company (HAL), where a total volume of 44,946 contracts has been traded thus far today, a contract volume which is representative of approximately 4.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47.3% of HAL's average daily trading volume over the past month, of 9.5 million shares..