OKLO vs CEG Stock Comparison: AI Score, Valuation, Performance and Upside
Oklo represents a speculative bet on next-generation small modular reactors that do not yet generate meaningful commercial revenue, while Constellation Energy is the largest operator of existing nuclear power plants in the U.S., already selling electricity under long-term contracts to data center customers. Constellation offers proven, in-place capacity benefiting from the same AI power demand theme, while Oklo offers optionality on a newer reactor technology that could scale faster and more flexibly if it succeeds. The choice depends on whether an investor wants already-operating nuclear power exposure or early-stage SMR technology exposure.
Use this comparison to weigh proven, already-operating nuclear power exposure (Constellation Energy) against speculative, pre-commercial small modular reactor technology exposure (Oklo) within the nuclear-for-AI-power theme.
CEG holds the edge across 4 of 5 key metrics in this comparison. CEG leads on both 1-year return (-31.92%) and forward P/E quality (20.74x vs -39.36x for OKLO), a relatively favorable combination of momentum and valuation. Analyst consensus implies meaningfully more upside for OKLO (+102.11%) than for CEG (+25.86%).
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- Want early-stage exposure to a next-generation nuclear reactor technology
- Are comfortable with pre-revenue risk and multi-year development timelines
- Believe smaller, faster-to-deploy reactors will be needed alongside large nuclear plants
- Can tolerate high volatility tied to regulatory and construction milestones
- Want exposure to nuclear power that is already generating substantial cash flow
- Value existing long-term power agreements with data center customers
- Prefer lower execution risk than unproven reactor technology
- Still want to benefit from rising AI-driven electricity demand
| Metric | OKLO | CEG |
|---|---|---|
| AI scorei | 39.1 | 50.0 |
| AI ranki | #1101 | #433 |
| Latest closei | $30.01 | $275.00 |
| 1M returni | -16.59% | +5.81% |
| 3M returni | -28.03% | +9.23% |
| 6M returni | -53.26% | -8.07% |
| 1Y returni | -82.51% | -31.92% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | OKLO | CEG |
|---|---|---|
| 1Y ago | $1.75K (-82.5%) started 2025-10-15 | $6.94K (-30.6%) started 2025-10-16 |
| 5Y ago | $30.65K (+206.5%) started 2021-10-15 | $69.74K (+597.4%) started 2022-01-19 |
| 10Y ago | $30.07K (+200.7%) started 2021-07-08 | $69.74K (+597.4%) started 2022-01-19 |
Hypothetical — past performance does not guarantee future results.
| Metric | OKLO | CEG |
|---|---|---|
| Market capi | $7.35B | $98.05B |
| Trailing P/Ei | N/A | 27.03 |
| Forward P/Ei | -39.36 | 20.74 |
| Price/Salesi | N/A | 3.87 |
| EV/Revenuei | 3889.31 | 3.91 |
| Analyst targeti | $79.88 | $348.30 |
| Target upsidei | +102.11% | +25.86% |
| Metric | OKLO | CEG |
|---|---|---|
| Revenue growthi | N/A | 23.00% |
| Earnings growthi | N/A | -46.80% |
| EPS growthi | N/A | -46.80% |
| FCF margini | -19778.92% | -21.19% |
| Operating margini | -6048.76% | 8.66% |
| Profit margini | 0.00% | 11.08% |
| ROIC proxyi | -7.70% | 15.06% |
| Return on equityi | -7.70% | 15.06% |
| Dividend yieldi | N/A | 0.62% |
| Payout ratioi | N/A | 15.92% |
| Dividend growth streaki | N/A | No increase yet |
| Betai | 1.20 | 1.12 |
| Debt/equityi | 0.12 | 76.42 |
| Current ratioi | 48.46 | 1.46 |
| Quick ratioi | 47.63 | 0.47 |
Over the past year, OKLO and CEG have moved moderately in the same direction (correlation of 0.45), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | OKLO | CEG |
|---|---|---|---|
| 1Y | Growthi | -82.51% | -30.65% |
| CAGRi | -82.53% | -30.69% | |
| Volatilityi | 93.87% | 48.50% | |
| Sharpe ratioi | -1.44 | -0.61 | |
| Sortino ratioi | -1.98 | -0.83 | |
| Max drawdowni | 83.07% | 41.09% | |
| Current drawdowni | 82.51% | 31.49% | |
| Avg drawdowni | 60.54% | 25.16% | |
| Ulcer Indexi | 62.62% | 27.02% | |
| Max daily dropi | 15.13% | 10.90% | |
| Max wkly dropi | 29.98% | 15.28% | |
| 5Y | Growthi | +206.54% | +575.59% |
| CAGRi | +25.12% | +49.64% | |
| Volatilityi | 87.85% | 49.08% | |
| Sharpe ratioi | 0.65 | 0.98 | |
| Sortino ratioi | 1.05 | 1.51 | |
| Max drawdowni | 83.32% | 50.70% | |
| Current drawdowni | 82.77% | 31.92% | |
| Avg drawdowni | 22.94% | 13.19% | |
| Ulcer Indexi | 35.17% | 17.49% | |
| Max daily dropi | 53.65% | 20.85% | |
| Max wkly dropi | 47.12% | 19.29% | |
| 10Y | Growthi | +200.70% | +575.59% |
| CAGRi | +23.23% | +49.64% | |
| Volatilityi | 85.51% | 49.08% | |
| Sharpe ratioi | 0.62 | 0.98 | |
| Sortino ratioi | 1.01 | 1.51 | |
| Max drawdowni | 83.32% | 50.70% | |
| Current drawdowni | 82.77% | 31.92% | |
| Avg drawdowni | 21.84% | 13.19% | |
| Ulcer Indexi | 34.23% | 17.49% | |
| Max daily dropi | 53.65% | 20.85% | |
| Max wkly dropi | 47.12% | 19.29% |
| Category | OKLO | CEG |
|---|---|---|
| Company | Oklo Inc. | Constellation Energy Corporation |
| Sector | Utilities | Utilities |
| Industry | Utilities - Independent Power Producers | Utilities - Independent Power Producers |
| Core business | Oklo is developing small modular fission reactors aimed at providing dedicated power for data centers and other high-demand customers, with first commercial power targeted for 2027-2028. | Constellation Energy operates the largest fleet of nuclear power plants in the United States and sells electricity to utilities, municipalities, and increasingly to data center operators through long-term power agreements. |
| Investor focus | Investors watch regulatory milestones such as reactor criticality and licensing progress, the pace of signed customer power agreements, and cash runway against ongoing losses. | Investors focus on power purchase agreements with large data center and AI customers, nuclear plant uprates and relicensing, and regulated versus merchant power pricing dynamics. |
- Achieved criticality at a demonstration small modular reactor, a key technical and regulatory milestone
- Roughly 14 GW of customer agreements tied to future AI and data center power demand
- Potential to offer faster, more flexible deployment than traditional large-scale nuclear plants
- Largest existing operating nuclear fleet in the U.S. generates substantial, already-proven carbon-free power
- High-profile long-term power agreements with major data center and technology customers
- Established cash flow generation supports dividends and reinvestment without reliance on unproven technology
- Pre-commercial stage with ongoing net losses and negative free cash flow
- No operating commercial reactors yet generating revenue at scale
- Nuclear regulatory and permitting timelines can slip and are largely outside company control
- Growth is constrained by the capacity of existing plants absent major new nuclear builds
- Power prices and merchant market exposure can create earnings variability
- Valuation has re-rated significantly on AI-driven power demand optimism
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