COST

Noteworthy Tuesday Option Activity: COST, MSFT, UNH

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Costco Wholesale Corp (Symbol: COST), where a total of 23,205 contracts have traded so far, representing approximately 2.3 million underlying shares. That amounts to about 88% of COST's average daily trading volume over the past month of 2.6 million shares. Particularly high volume was seen for the $800 strike put option expiring July 18, 2025, with 2,024 contracts trading so far today, representing approximately 202,400 underlying shares of COST. Below is a chart showing COST's trailing twelve month trading history, with the $800 strike highlighted in orange:

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Microsoft Corporation (Symbol: MSFT) options are showing a volume of 191,928 contracts thus far today. That number of contracts represents approximately 19.2 million underlying shares, working out to a sizeable 76.3% of MSFT's average daily trading volume over the past month, of 25.2 million shares. Particularly high volume was seen for the $355 strike put option expiring April 11, 2025, with 7,938 contracts trading so far today, representing approximately 793,800 underlying shares of MSFT. Below is a chart showing MSFT's trailing twelve month trading history, with the $355 strike highlighted in orange:

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And UnitedHealth Group Inc (Symbol: UNH) saw options trading volume of 23,722 contracts, representing approximately 2.4 million underlying shares or approximately 51.9% of UNH's average daily trading volume over the past month, of 4.6 million shares. Particularly high volume was seen for the $900 strike call option expiring June 20, 2025, with 961 contracts trading so far today, representing approximately 96,100 underlying shares of UNH. Below is a chart showing UNH's trailing twelve month trading history, with the $900 strike highlighted in orange:

Loading+chart+—+2025+TickerTech.com

For the various different available expirations for COST options, MSFT options, or UNH options, visit StockOptionsChannel.com.

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

Also see:
• Top Ten Hedge Funds Holding ULS
• GLIN Videos
• MON Historical Stock Prices

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

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