Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Walmart Inc (Symbol: WMT), where a total volume of 30,937 contracts has been traded thus far today, a contract volume which is representative of approximately 3.

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Walmart Inc (Symbol: WMT), where a total volume of 30,937 contracts has been traded thus far today, a contract volume which is representative of approximately 3.