Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Applied Materials, Inc. (Symbol: AMAT), where a total volume of 31,005 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 48.9% of AMAT's average daily trading volume over the past month, of 6.3 million shares. Particularly high volume was seen for the $530 strike call option expiring October 16, 2026 , with 2,468 contracts trading so far today, representing approximately 246,800 underlying shares of AMAT.
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