Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Home Depot Inc (HD), where a total volume of 30,670 contracts has been traded thus far today, a contract volume which is representative of approximately 3.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 92.4% of HD's average daily trading volume over the past month, of 3.3 million shares..

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