Noteworthy Tuesday Option Activity: MPW, ACMR, KRYS

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Medical Properties Trust Inc (Symbol: MPW), where a total volume of 214,289 contracts has been traded thus far today, a contract volume which is representative of approximately 21.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 144.4% of MPW's average daily trading volume over the past month, of 14.8 million shares. Especially high volume was seen for the $3.50 strike put option expiring January 17, 2025, with 68,703 contracts trading so far today, representing approximately 6.9 million underlying shares of MPW. Below is a chart showing MPW's trailing twelve month trading history, with the $3.50 strike highlighted in orange:

ACM Research Inc (Symbol: ACMR) options are showing a volume of 13,271 contracts thus far today. That number of contracts represents approximately 1.3 million underlying shares, working out to a sizeable 134.1% of ACMR's average daily trading volume over the past month, of 989,710 shares. Particularly high volume was seen for the $17.50 strike call option expiring January 17, 2025, with 9,481 contracts trading so far today, representing approximately 948,100 underlying shares of ACMR. Below is a chart showing ACMR's trailing twelve month trading history, with the $17.50 strike highlighted in orange:

And Krystal Biotech Inc (Symbol: KRYS) saw options trading volume of 4,038 contracts, representing approximately 403,800 underlying shares or approximately 129.8% of KRYS's average daily trading volume over the past month, of 311,170 shares. Especially high volume was seen for the $155 strike call option expiring January 17, 2025, with 1,003 contracts trading so far today, representing approximately 100,300 underlying shares of KRYS. Below is a chart showing KRYS's trailing twelve month trading history, with the $155 strike highlighted in orange:

For the various different available expirations for MPW options, ACMR options, or KRYS options, visit StockOptionsChannel.com.

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

Also see:

• COCO Videos
• KEM Videos
• SI Videos

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