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Noteworthy Wednesday Option Activity: QNST, VICR, OKLO


Joel Kornblau, Editor, Stock Options Channel - Wednesday, October 22, 2025, 3:18 PM

A trader believes they have identified an opportunity to sell calls.

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in QuinStreet, Inc. (QNST), where a total volume of 4,712 contracts has been traded thus far today, a contract volume which is representative of approximately 471,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 91.6% of QNST's average daily trading volume over the past month, of 514,445 shares. Especially high volume was seen for the $15 strike put option expiring December 19, 2025, with 4,085 contracts trading so far today, representing approximately 408,500 underlying shares of QNST. Below is a chart showing QNST's trailing twelve month trading history, with the $15 strike highlighted in orange:

Vicor Corp (VICR) options are showing a volume of 3,287 contracts thus far today. That number of contracts represents approximately 328,700 underlying shares, working out to a sizeable 84.9% of VICR's average daily trading volume over the past month, of 386,965 shares. Especially high volume was seen for the $85 strike call option expiring January 16, 2026, with 295 contracts trading so far today, representing approximately 29,500 underlying shares of VICR. Below is a chart showing VICR's trailing twelve month trading history, with the $85 strike highlighted in orange:

And Oklo Inc (OKLO) options are showing a volume of 208,070 contracts thus far today. That number of contracts represents approximately 20.8 million underlying shares, working out to a sizeable 83.4% of OKLO's average daily trading volume over the past month, of 24.9 million shares. Particularly high volume was seen for the $110 strike put option expiring October 24, 2025, with 15,234 contracts trading so far today, representing approximately 1.5 million underlying shares of OKLO. Below is a chart showing OKLO's trailing twelve month trading history, with the $110 strike highlighted in orange:

For the various different available expirations for QNST options, VICR options, or OKLO options, visit StockOptionsChannel.com.

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