Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Blackstone Inc (BX), where a total volume of 19,166 contracts has been traded thus far today, a contract volume which is representative of approximately 1.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48% of BX's average daily trading volume over the past month, of 4.0 million shares..

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