The Short Answer
Oklo stock (OKLO) is considered halal under standard Sharia screening. Generating and selling clean electricity from advanced nuclear fission is a permissible activity with no haram revenue line, and Oklo funds itself primarily through equity, so it passes the debt screen.
The main caveats are that Oklo is an early-stage, largely pre-revenue company whose ratios will evolve, and that interest earned on its substantial cash balance should be checked and purified.
Sharia Screening Methodology
Islamic scholars use several criteria to screen stocks:
- Business activity screen: Is the company's primary business halal?
- Debt ratio: Total debt / market cap must be under 33%
- Interest income: Interest income / total revenue must be under 5%
- Haram revenue: Revenue from haram sources must be under 5%
- Receivables ratio: Total receivables / total assets must be under 49–70% (varies by board)
Oklo's Business Activity
Oklo Inc. is developing advanced fission power plants — its "Aurora" powerhouses — to sell clean electricity under long-term power-purchase agreements, and is pursuing nuclear-fuel recycling. Its activity is:
- Clean power generation: Selling electricity from advanced nuclear reactors
- Power-purchase agreements: Long-term contracts to supply customers
- Fuel recycling: Recovering and reusing nuclear fuel
Generating and selling electricity is a permissible activity, and clean-energy generation aligns with Islamic principles of stewardship.
Why OKLO Is Halal
1. Permissible Core Business
Nuclear clean-energy generation is a halal activity. There is no gambling, alcohol, conventional banking, or other prohibited line at the heart of the business.
2. Equity-Funded Balance Sheet
Oklo funds itself primarily through equity rather than interest-bearing debt and holds a substantial cash position, so the debt-to-market-cap ratio passes the 33% Sharia threshold comfortably.
3. Early-Stage Caveats
Oklo is largely pre-revenue and speculative; its ratios should be re-screened as it commercializes, and interest income on cash should be checked against the 5% threshold and purified.
Financial Ratios (2025)
Based on Oklo's most recent financial statements:
- Total Debt / Market Cap: Well under the 33% threshold — equity-funded ✅
- Interest Income / Revenue: Verify against the 5% threshold and purify ⚠️
- Haram Revenue: Negligible (clean power) ✅
- Business Activity: Permissible — nuclear clean energy ✅
Verdict from Major Screening Agencies
Oklo stock is generally screened as halal, with early-stage caution by:
- Zoya App — Typically compliant on the financial screens ✅
- Musaffa — Generally compliant, with purification of minor income ✅
- Most major Sharia advisory boards — Permissible activity, passes debt screen ✅
Bottom Line
Oklo (OKLO) is halal for Muslim investors. The advanced nuclear clean-energy business is permissible, and the equity-funded balance sheet passes the debt screen. Investors should treat it as a speculative, early-stage holding, re-screen the financials as it commercializes, and purify the minor portion of returns attributable to interest income on cash.
For Muslim investors seeking clean-energy and infrastructure exposure, compare OKLO with peers like NuScale Power (SMR) and Tesla (TSLA).
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