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OKLO
Oklo Inc. · Utilities / Nuclear Technology
$42.09
-5.42% this month
VERSUS
COMPARE
NNE
NANO Nuclear Energy Inc. · Utilities / Nuclear Technology
$18.85
+8.83% this month
Scoreboard verdict
Across AI score, momentum, valuation, upside, operating margin
OKLO
2
NNE
3
Comparison scoreboard
NNE LEADS 3/5AI Score
OKLO ✓46.1
NNE 32.8
1Y Return
OKLO -37.36%
NNE ✓-35.27%
Fwd P/E
OKLO -41.91
NNE ✓-19.10
Target Up.
OKLO +89.77%
NNE ✓+116.62%
Op. Margin
OKLO ✓-6048.76%
NNE -7378.27%
Metrics last refreshed: 8/23/2026
Quick take
OKLO vs NNE Stock Comparison: AI Score, Valuation, Performance and Upside
Oklo and NANO Nuclear Energy are both early-stage advanced nuclear companies, with Oklo further along in developing and licensing a specific fast reactor design and NANO pursuing a broader, earlier-stage portfolio of reactor and fuel technologies.
Investors weighing Oklo against NANO Nuclear Energy are choosing between a more focused, further-along fast reactor developer and an earlier-stage company spreading its efforts across multiple advanced nuclear technology programs.
Live analysis · updated 8/23/2026
NNE holds the edge across 3 of 5 key metrics in this comparison. NNE leads on both 1-year return (-35.27%) and forward P/E quality (-19.10x vs -41.91x for OKLO), a relatively favorable combination of momentum and valuation. Analyst consensus implies meaningfully more upside for NNE (+116.62%) than for OKLO (+89.77%).
Normalized 1Y performance
OKLO
NNE
Recent returns
OKLO
NNE
Analyst price targets & sentiment
OKLO · 20 analysts
STRONG BUYHOLDSTRONG SELL
Buy (2.0/5.0)
Price target range
analyst low$14.00
analyst high$130.00
analyst mean$79.88
current price$42.09
+89.8% upside to analyst mean
NNE · 6 analysts
STRONG BUYHOLDSTRONG SELL
Buy (1.6/5.0)
Price target range
analyst low$22.00
analyst high$50.00
analyst mean$40.83
current price$18.85
+116.6% upside to analyst mean
Who should consider this stock?
OKLO may suit investors who:
- Want exposure to a more developed, singularly focused reactor design
- Believe in rising power demand from AI infrastructure as a catalyst
- Can tolerate pre-revenue volatility and licensing timeline uncertainty
- Prefer a company further along in regulatory engagement
NNE may suit investors who:
- Want diversified exposure across multiple early-stage nuclear technologies
- Are comfortable with a very early development-stage company
- Seek exposure to nuclear fuel logistics alongside reactor technology
- Can tolerate elevated uncertainty and limited operating history
Performance & AI score
| Metric | OKLO | NNE |
|---|---|---|
| AI score | 46.1 | 32.8 |
| AI rank | #656 | #2019 |
| Latest close | $42.09 | $18.85 |
| 1M return | -5.42% | +8.83% |
| 6M return | -37.77% | -26.54% |
| 1Y return | -37.36% | -35.27% |
$10,000 invested — hypothetical growth (dividends reinvested)
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | OKLO | NNE |
|---|---|---|
| 1Y ago | $6.26K (-37.4%) started 2025-08-21 | $6.47K (-35.3%) started 2025-08-21 |
| 5Y ago | $42.82K (+328.2%) started 2021-08-23 | $36.32K (+263.2%) started 2024-05-08 |
| 10Y ago | $42.17K (+321.7%) started 2021-07-08 | $36.32K (+263.2%) started 2024-05-08 |
Hypothetical — past performance does not guarantee future results.
Valuation & upside potential
| Metric | OKLO | NNE |
|---|---|---|
| Market cap | $7.83B | $1.01B |
| Trailing P/E | N/A | N/A |
| Forward P/E | -41.91 | -19.10 |
| Price/Sales | 6470.65 | 4729.03 |
| EV/Revenue | 4436.60 | 2024.88 |
| Analyst target | $79.88 | $40.83 |
| Target upside | +89.77% | +116.62% |
Growth, profitability & risk
| Metric | OKLO | NNE |
|---|---|---|
| Revenue growth | N/A | N/A |
| Earnings growth | N/A | N/A |
| EPS growth | N/A | N/A |
| FCF margin | -19778.92% | -16565.93% |
| Operating margin | -6048.76% | -7378.27% |
| Profit margin | 0.00% | 0.00% |
| ROIC proxy | -7.70% | -8.04% |
| Return on equity | -7.70% | -8.04% |
| Dividend yield | 0.00% | 0.00% |
| Beta | 1.20 | 5.41 |
| Debt/equity | 0.12 | 0.46 |
| Current ratio | 48.46 | 79.18 |
| Quick ratio | 47.63 | 78.72 |
Drawdown & downside risk
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
1Y risk snapshot
OKLO max drawdown78.84%
NNE max drawdown73.72%
OKLO max wkly drop29.98%
NNE max wkly drop29.56%
5Y risk snapshot
OKLO max drawdown78.84%
NNE max drawdown77.68%
OKLO max wkly drop47.12%
NNE max wkly drop42.77%
10Y risk snapshot
OKLO max drawdown78.84%
NNE max drawdown77.68%
OKLO max wkly drop47.12%
NNE max wkly drop42.77%
Performance metrics by period
| Period | Metric | OKLO | NNE |
|---|---|---|---|
| 1Y | Growth | -37.36% | -35.27% |
| CAGR | -37.38% | -35.29% | |
| Sharpe ratio | -0.01 | -0.01 | |
| Max drawdown | 78.84% | 73.72% | |
| Max daily drop | 15.13% | 16.93% | |
| Max wkly drop | 29.98% | 29.56% | |
| 5Y | Growth | +328.18% | +263.20% |
| CAGR | +33.81% | +75.80% | |
| Sharpe ratio | 0.72 | 1.05 | |
| Max drawdown | 78.84% | 77.68% | |
| Max daily drop | 53.65% | 32.47% | |
| Max wkly drop | 47.12% | 42.77% | |
| 10Y | Growth | +321.74% | +263.20% |
| CAGR | +32.46% | +75.80% | |
| Sharpe ratio | 0.71 | 1.05 | |
| Max drawdown | 78.84% | 77.68% | |
| Max daily drop | 53.65% | 32.47% | |
| Max wkly drop | 47.12% | 42.77% |
Business comparison
| Category | OKLO | NNE |
|---|---|---|
| Company | Oklo Inc. | NANO Nuclear Energy Inc. |
| Sector | Utilities / Nuclear Technology | Utilities / Nuclear Technology |
| Industry | N/A | N/A |
| Core business | Oklo is developing small, fast fission reactors known as Aurora powerhouses, aiming to provide compact, reliable power for data centers, remote sites, and industrial customers. | NANO Nuclear Energy is an early-stage company developing portable and small microreactor designs alongside nuclear fuel transportation and enrichment-related technologies. |
| Investor focus | Watch regulatory licensing progress with the Nuclear Regulatory Commission, customer agreements and letters of intent, and the pace of capital raises relative to cash needs. | Watch progress on reactor design development, regulatory engagement, and the company's ability to fund multiple technology programs simultaneously. |
OKLO strengths
- Differentiated fast reactor design distinct from traditional light-water small modular reactors
- Growing interest from data center and AI infrastructure customers seeking dedicated power
- High-profile backing and public visibility supporting capital access
NNE strengths
- Diversified approach spanning multiple reactor designs and nuclear fuel logistics technology
- Positioned to benefit from broad policy and investor interest in domestic advanced nuclear capacity
- Smaller, more flexible organization that can pursue niche microreactor applications
Risks to watch — OKLO
- Pre-revenue company with no operating reactors generating commercial power yet
- Nuclear licensing timelines are historically long and subject to regulatory delay
- Continued reliance on equity or debt financing creates dilution and execution risk
Risks to watch — NNE
- Very early development stage with reactor designs well short of licensing or deployment
- Limited operating history and financial track record as a public company
- Faces intense competition from better-funded advanced nuclear developers
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