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Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Zillow Group Inc (Symbol: Z), where a total volume of 27,389 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 62.9% of Z's average daily trading volume over the past month, of 4.4 million shares. Especially high volume was seen for the $42.50 strike put option expiring August 16, 2024, with 6,096 contracts trading so far today, representing approximately 609,600 underlying shares of Z. Below is a chart showing Z's trailing twelve month trading history, with the $42.50 strike highlighted in orange:

American Express Co. (Symbol: AXP) options are showing a volume of 17,912 contracts thus far today. That number of contracts represents approximately 1.8 million underlying shares, working out to a sizeable 61.8% of AXP's average daily trading volume over the past month, of 2.9 million shares. Particularly high volume was seen for the $237.50 strike call option expiring July 05, 2024, with 8,424 contracts trading so far today, representing approximately 842,400 underlying shares of AXP. Below is a chart showing AXP's trailing twelve month trading history, with the $237.50 strike highlighted in orange:

And Simulations Plus Inc (Symbol: SLP) options are showing a volume of 647 contracts thus far today. That number of contracts represents approximately 64,700 underlying shares, working out to a sizeable 61.2% of SLP's average daily trading volume over the past month, of 105,695 shares. Particularly high volume was seen for the $50 strike call option expiring July 19, 2024, with 262 contracts trading so far today, representing approximately 26,200 underlying shares of SLP. Below is a chart showing SLP's trailing twelve month trading history, with the $50 strike highlighted in orange:

For the various different available expirations for Z options, AXP options, or SLP options, visit StockOptionsChannel.com.

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The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.