OKLO vs. CEG

Last updated Aug 1, 2026

OKLO (Oklo Inc.) and CEG (Constellation Energy Corp) are both stocks. Both are in the Utilities sector — OKLO in Utilities - Independent Power Producers, CEG in Utilities - Renewable. Over the past 3 years, OKLO returned 55.49%/yr vs 40.69%/yr for CEG. Their 0.34 correlation means their historical movements had little consistent relationship.

Performance

OKLO vs. CEG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oklo Inc. (OKLO) and Constellation Energy Corp (CEG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OKLO achieves a -45.89% return, which is significantly lower than CEG's -25.41% return.

OKLO

• 1D: -5.50%
• 1M: -25.84%
• 6M: -51.23%
• YTD: -45.89%
• 1Y: -45.68%
• 3Y*: 55.49%
• 5Y*: 31.57%
• 10Y*: —
• ALL TIME*: 30.73%

CEG

• 1D: -0.31%
• 1M: 9.82%
• 6M: -6.12%
• YTD: -25.41%
• 1Y: -22.49%
• 3Y*: 40.69%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 45.86%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CEG Constellation Energy Corp	$725.89M	$725.77M	$982.35M
OKLO Oklo Inc.	$370.09M	$387.53M	$692.06M

OKLO vs. CEG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
OKLO Oklo Inc.	-45.89%	238.01%	101.04%	6.45%	0.92%
CEG Constellation Energy Corp	-25.41%	58.80%	92.71%	37.24%	73.87%

Correlation

The correlation between OKLO and CEG is 0.46, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.46
Correlation (3Y) Balances recent behavior with more history.	0.46
Correlation (All Time) Calculated using the full available price history since Feb 2, 2022	0.34

The correlation between OKLO and CEG shifts across timeframes, from 0.34 (all time) to 0.46 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap OKLO : $6.76B CEG : $94.35B
EPS OKLO : -$0.83 CEG : $8.04
PB Ratio OKLO : 2.51 CEG : 2.78
Total Revenue (TTM) OKLO : $0.00 CEG : $24.82B
Gross Profit (TTM) OKLO : -$149.00K CEG : $20.98B
EBITDA (TTM) OKLO : -$172.42M CEG : $5.87B

Return for Risk

OKLO vs. CEG — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

OKLO

OKLO Risk / Return Rank: 24
OKLO Sharpe Ratio Rank: 22
OKLO Sortino Ratio Rank: 26
OKLO Omega Ratio Rank: 28
OKLO Calmar Ratio Rank: 21
OKLO Martin Ratio Rank: 24

CEG

CEG Risk / Return Rank: 22
CEG Sharpe Ratio Rank: 21
CEG Sortino Ratio Rank: 22
CEG Omega Ratio Rank: 23
CEG Calmar Ratio Rank: 23
CEG Martin Ratio Rank: 21

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

OKLO vs. CEG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oklo Inc. (OKLO) and Constellation Energy Corp (CEG). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	OKLO	CEG	Difference
Sharpe ratio: Return per unit of total volatility	-0.49	-0.52	+0.03
Sortino ratio: Return per unit of downside risk	-0.27	-0.49	+0.22
Omega ratio: Gain probability vs. loss probability	0.97	0.94	+0.03
Calmar ratio: Return relative to maximum drawdown	-0.63	-0.59	-0.04
Martin ratio: Return relative to average drawdown	-0.94	-1.04	+0.10

OKLO vs. CEG - Sharpe Ratio Comparison

The current OKLO Sharpe Ratio is -0.49, which is comparable to the CEG Sharpe Ratio of -0.52. The chart below compares the historical Sharpe Ratios of OKLO and CEG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

OKLO vs. CEG - Drawdown Comparison

The maximum OKLO drawdown since its inception was -78.84%, which is greater than CEG's maximum drawdown of -50.70%. Use the drawdown chart below to compare losses from any high point for OKLO and CEG.

Drawdown Indicators

	OKLO	CEG	Difference
Max Drawdown Largest peak-to-trough decline	-78.84%	-50.70%	-28.14%
Max Drawdown (1Y) Largest decline over 1 year	-78.84%	-41.22%	-37.62%
Max Drawdown (3Y) Largest decline over 3 years	-78.84%	-50.70%	-28.14%
Max Drawdown (5Y) Largest decline over 5 years	-78.84%	—	—
Current Drawdown Current decline from peak	-77.70%	-34.69%	-43.01%
Average Drawdown Average peak-to-trough decline	-19.53%	-12.37%	-7.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	52.50%	23.25%	+29.25%

Volatility

OKLO vs. CEG - Volatility Comparison

Oklo Inc. (OKLO) has a higher volatility of 23.72% compared to Constellation Energy Corp (CEG) at 9.71%. This indicates that OKLO's price experiences larger fluctuations and is considered to be riskier than CEG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OKLO	CEG	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.72%	9.71%	+14.01%
Volatility (6M) Calculated over the trailing 6-month period	66.10%	34.35%	+31.75%
Volatility (1Y) Calculated over the trailing 1-year period	100.76%	46.84%	+53.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	86.25%	49.04%	+37.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	85.68%	49.04%	+36.64%

Dividends

OKLO vs. CEG - Dividend Comparison

OKLO has not paid dividends to shareholders, while CEG's dividend yield for the trailing twelve months is around 0.62%.

Position	TTM	2025	2024	2023	2022
CEG Constellation Energy Corp	0.62%	0.44%	0.63%	0.97%	0.65%
OKLO Oklo Inc.	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both OKLO and CEG in my portfolio?

OKLO and CEG have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OKLO or CEG?

OKLO has higher volatility (23.72%) compared to CEG (9.71%). In terms of maximum drawdown, OKLO dropped -78.84% vs CEG's -50.70%.

Which has better risk-adjusted returns?

OKLO currently has the higher Sharpe Ratio (-0.49 vs -0.52), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.