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Oklo enters the final stretch before its November 11 earnings with an unusual tension: short sellers are the most committed bears by any structural measure, yet options traders this week turned more bullish than at any point in the past year.
Short interest is the defining fact of this story. It stands at 21.3% of the free float, a level ORTEX classifies as high, and it has risen 26.6% over the past month, adding roughly 7 million shares to the short book since early September. The 30-day build was sharp. From early September through mid-month, shorts added positions steadily, pushing shares short from around 26 million to nearly 34 million. That wave has since plateaued, with short interest falling modestly over the past week, down 1.3%. The borrow market tells a different part of the story: availability has actually loosened this week, moving from around 44% to 51.4%, and cost to borrow is just 0.80%, well below a level that would indicate any pressure on short sellers. Availability hit its tightest point of the past year at 5.5%, but right now the lending pool is far from strained. Bears can still add exposure cheaply if they want to.
Options positioning offers the sharpest contrast. The put/call ratio fell to 0.48, the lowest reading in the past 52 weeks, running 1.25 standard deviations below its 20-day average of 0.51. That is a notably one-sided tilt toward calls. The 52-week high on the PCR was 1.01, so the range has been wide. This week's reading says options traders are reaching for upside, not hedging. That sits in direct tension with a short book that, at 21% of float, remains among the more heavily shorted names on the market. These two signals are not yet reconciled.
The Street is cautious but not bearish. All eight analyst ratings with a view are bullish, yet the tone of recent target moves cuts the other way. UBS, which was the most recent to act on September 25, cut its target from $55 to $41, keeping a Neutral rating, with the stock now at $38.55. Earlier in August, Citigroup trimmed from $76 to $57.50, and Truist, initiating in July with a Hold, set a $55 target. On the bull side, Canaccord Genuity still carries a $100 target, and HC Wainwright holds at $90. The range tells the story. The debate is less about whether Oklo's technology works and more about when it makes money. The bear case from Benzinga's analysis is direct: revenue in Q2 2026 was $1.2 million against a $73.2 million operating loss, R&D rose 46% quarter-on-quarter to $39.5 million, and losses are expected to continue through 2030 before EBITDA turns positive in 2031. The bull case rests on the integrated developer/IPP model, a disclosed pipeline of 18.1 GW, and a first commercial agreement with Meta. The ORTEX short score of 70.4 places short-related factors in the top 30% of the universe, while the utilization rank sits at the 2nd percentile, meaning the borrow market is among the tightest relative to peers even with current availability above 50%.
The institutional picture adds another layer. The Jacob DeWitte Family Trust reported a last-change figure of 7.2 million shares added, making it among the largest recent additions in the register. Meanwhile, Jacob DeWitte as an individual shows a change of minus 8.1 million shares, and Caroline DeWitte shows minus 7.9 million, suggesting a restructuring of holdings between personal and trust vehicles rather than a straightforward reduction. Mirae Asset and Van Eck each added meaningfully in their most recent filings, bringing their stakes to just under 5% each.
The stock gained 7.2% on October 6 alone, recovering some of a 6.6% one-month loss, and is up 3.9% on the week. The next catalyst is the November 11 earnings event. The most recent prior print, in August, saw the stock fall 1.2% on the day and 8.7% over the following five days. The print before that moved the stock up 5.5% on the day. With 21% short interest, a call-heavy options book, and targets ranging from $41 to $100, the next result is less about the revenue number and more about what management says on fuel access, NRC engagement, and the timeline to the first Aurora deployment.
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