Oklo Inc. (OKLO) stock
Close on Nov 12, 2026Market cap $4.55BP/E –Yield –
Key statistics
Valuation at the latest close; fundamentals over fiscal , balances at Sep 30, 2026
Valuation
- Market cap
- $4.55B
- P/E ratio
- –
- Price to sales
- –
- Price to book
- 1.25
- Dividend yield
- –
- Free cash flow yield
- -9.94%
Fundamentals
- Net income
- -$164.79M
- EPS, diluted
- -$0.95
- Free cash flow
- -$452.19M
- Book value per share
- $19.34
- Diluted shares
- 189M
Trading
- Previous close
- $25.86
- Open
- $24.39
- Day's range
- $23.81 – $25.43
- Volume
- 8,616,956
- Average volume (20 days)
- 10,581,175
- Index membership
- Russell 1000 (since Jun 2026), Russell 3000 (since Aug 2025)
- Beta (5 years)
- 1.15
- 52-week range
- $18.54 – $116.98
- RSI (14 days)
- 41.9
- Volatility (1 year)
- 94.8%
- Relative volume
- 0.87×
- WACC
- 10.6%
Index membership is inferred from the holdings of funds that track each index (IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2024, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | OKLO | S&P 500 | Difference | OKLO per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -24.1% | -2.7% | −21.4 pts | ||
| 3 months | -45.8% | -1.7% | −44.1 pts | ||
| Year to date | -65.9% | +11.9% | −77.8 pts | ||
| 1 year | -78.0% | +12.0% | −90.0 pts | ||
| 3 years | +137.4% | +78.2% | +59.2 pts | +33.4% | +21.2% |
| 5 years | +148.2% | +73.2% | +75.0 pts | +19.9% | +11.6% |
Five years at a glance
Fiscal years 2021 to 2025 and trailing twelve months, USD
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Oklo filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- News
- News
- News
About Oklo
Electric Services
Oklo Inc. develops fast fission nuclear power plants, known as Aurora powerhouses, designed to generate electricity and heat using fresh, recycled, or down-blended nuclear fuel. The company focuses on a build, own, and operate model to sell energy directly through power purchase agreements rather than selling reactor designs. Alongside reactor development, Oklo is commercializing nuclear fuel recycling and fuel fabrication technologies to convert used nuclear fuel into usable reactor fuel. Through its subsidiary Atomic Alchemy, the company also focuses on radioisotope production for medical, energy, industrial, defense, and artificial intelligence applications. Oklo targets customers across various sectors, including data centers, industrial operations, utilities, military bases, remote communities, and commercial campuses.
Company profile, executives and historyOklo stock: common questions
What is Oklo's stock price?
OKLO closed at $24.45 on Nov 12, 2026, down 5.45% on the day. Over the past 52 weeks it traded between $18.54 and $116.98.
What is Oklo's market cap?
Oklo was worth $4.55B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is OKLO's P/E ratio?
Oklo lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.95), so it has no meaningful P/E ratio.
Does Oklo pay a dividend?
No. Oklo has not paid a cash dividend over the last twelve months.
How has OKLO stock performed over the past year?
Including dividends, OKLO returned -78.0% over the past year, against +12.0% for the S&P 500.
How many OKLO shares are sold short?
38M shares were sold short at the latest FINRA report, 26.87% of the float, or 4.9 days of average trading volume.
Who are Oklo's competitors?
Companies most similar to Oklo by business, industry and size include NNE, FISN, ORA, TLN, EAI.
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