Notable Friday Option Activity: GRAL, TWLO, SEZL

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Grail Inc (Symbol: GRAL), where a total volume of 8,971 contracts has been traded thus far today, a contract volume which is representative of approximately 897,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 162.4% of GRAL's average daily trading volume over the past month, of 552,510 shares. Especially high volume was seen for the $55 strike put option expiring October 16, 2026, with 2,107 contracts trading so far today, representing approximately 210,700 underlying shares of GRAL. Below is a chart showing GRAL's trailing twelve month trading history, with the $55 strike highlighted in orange:

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Twilio Inc (Symbol: TWLO) options are showing a volume of 29,927 contracts thus far today. That number of contracts represents approximately 3.0 million underlying shares, working out to a sizeable 155.4% of TWLO's average daily trading volume over the past month, of 1.9 million shares. Especially high volume was seen for the $255 strike call option expiring August 07, 2026, with 1,743 contracts trading so far today, representing approximately 174,300 underlying shares of TWLO. Below is a chart showing TWLO's trailing twelve month trading history, with the $255 strike highlighted in orange:

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And Sezzle Inc (Symbol: SEZL) options are showing a volume of 8,369 contracts thus far today. That number of contracts represents approximately 836,900 underlying shares, working out to a sizeable 142.2% of SEZL's average daily trading volume over the past month, of 588,615 shares. Particularly high volume was seen for the $125 strike call option expiring August 21, 2026, with 860 contracts trading so far today, representing approximately 86,000 underlying shares of SEZL. Below is a chart showing SEZL's trailing twelve month trading history, with the $125 strike highlighted in orange:

Loading+chart+—+2026+TickerTech.com

For the various different available expirations for GRAL options, TWLO options, or SEZL options, visit StockOptionsChannel.com.

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

Further GRAL Research:

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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