Notable Thursday Option Activity: SRPT, PLAB, SEI

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Sarepta Therapeutics Inc (Symbol: SRPT), where a total volume of 38,397 contracts has been traded thus far today, a contract volume which is representative of approximately 3.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 67.2% of SRPT's average daily trading volume over the past month, of 5.7 million shares. Particularly high volume was seen for the $21.50 strike call option expiring October 03, 2025, with 2,402 contracts trading so far today, representing approximately 240,200 underlying shares of SRPT. Below is a chart showing SRPT's trailing twelve month trading history, with the $21.50 strike highlighted in orange:

Photronics, Inc. (Symbol: PLAB) saw options trading volume of 5,203 contracts, representing approximately 520,300 underlying shares or approximately 66.3% of PLAB's average daily trading volume over the past month, of 784,350 shares. Particularly high volume was seen for the $25 strike call option expiring March 20, 2026, with 1,728 contracts trading so far today, representing approximately 172,800 underlying shares of PLAB. Below is a chart showing PLAB's trailing twelve month trading history, with the $25 strike highlighted in orange:

And Solaris Energy Infrastructure Inc (Symbol: SEI) saw options trading volume of 21,100 contracts, representing approximately 2.1 million underlying shares or approximately 63.1% of SEI's average daily trading volume over the past month, of 3.3 million shares. Especially high volume was seen for the $25 strike put option expiring November 21, 2025, with 7,832 contracts trading so far today, representing approximately 783,200 underlying shares of SEI. Below is a chart showing SEI's trailing twelve month trading history, with the $25 strike highlighted in orange:

For the various different available expirations for SRPT options, PLAB options, or SEI options, visit StockOptionsChannel.com.

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

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