Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Applied Materials, Inc. (AMAT), where a total volume of 27,458 contracts has been traded thus far today, a contract volume which is representative of approximately 2.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 45.2% of AMAT's average daily trading volume over the past month, of 6.1 million shares. Especially high volume was seen for the $95 strike put option expiring July 21, 2023, with 1,012 contracts trading so far today, representing approximately 101,200 underlying shares of AMAT. Below is a chart showing AMAT's trailing twelve month trading history, with the $95 strike highlighted in orange:

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Today's Most Active Call & Put Options of the S&P 500 »

Salesforce Inc (CRM) saw options trading volume of 45,214 contracts, representing approximately 4.5 million underlying shares or approximately 44.6% of CRM's average daily trading volume over the past month, of 10.1 million shares. Particularly high volume was seen for the $185 strike call option expiring June 16, 2023, with 2,534 contracts trading so far today, representing approximately 253,400 underlying shares of CRM. Below is a chart showing CRM's trailing twelve month trading history, with the $185 strike highlighted in orange:

And Micron Technology Inc. (MU) options are showing a volume of 67,283 contracts thus far today. That number of contracts represents approximately 6.7 million underlying shares, working out to a sizeable 43.8% of MU's average daily trading volume over the past month, of 15.4 million shares. Particularly high volume was seen for the $50 strike put option expiring March 17, 2023, with 4,904 contracts trading so far today, representing approximately 490,400 underlying shares of MU. Below is a chart showing MU's trailing twelve month trading history, with the $50 strike highlighted in orange: