VST vs. OKLO

Last updated Jun 23, 2026

VST (Vistra Corp.) and OKLO (Oklo Inc.) are both stocks. Both operate in the Utilities - Independent Power Producers industry within the Utilities sector. Over the past 3 years, VST returned 90.08%/yr vs 76.63%/yr for OKLO. At a 0.32 correlation, their price movements are largely independent.

Performance

VST vs. OKLO - Performance Comparison

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

Returns By Period

In the year-to-date period, VST achieves a 3.96% return, which is significantly higher than OKLO's -18.62% return.

VST

• 1D: 2.29%
• 1M: 7.18%
• YTD: 3.96%
• 6M: 3.81%
• 1Y: -9.16%
• 3Y*: 90.08%
• 5Y*: 59.54%
• 10Y*: —

OKLO

• 1D: -4.53%
• 1M: -11.35%
• YTD: -18.62%
• 6M: -30.01%
• 1Y: 0.78%
• 3Y*: 76.63%
• 5Y*: —
• 10Y*: —

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

VST vs. OKLO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
VST Vistra Corp.	3.96%	17.66%	261.52%	70.73%	5.08%	19.28%
OKLO Oklo Inc.	-18.62%	238.01%	101.04%	6.45%	0.71%	-1.50%

Correlation

The correlation between VST and OKLO is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (All Time) Calculated using the full available price history since Jul 8, 2021	0.32

The correlation between VST and OKLO shifts across timeframes, from 0.32 (all time) to 0.43 (3 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS VST : $8.60 OKLO : -$0.85
Total Revenue (TTM) VST : $17.20B OKLO : $0.00
Gross Profit (TTM) VST : $1.12B OKLO : -$149.00K
EBITDA (TTM) VST : $4.34B OKLO : -$172.42M

Return for Risk

VST vs. OKLO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VST

VST Risk / Return Rank: 34
VST Sharpe Ratio Rank: 34
VST Sortino Ratio Rank: 33
VST Omega Ratio Rank: 33
VST Calmar Ratio Rank: 34
VST Martin Ratio Rank: 34

OKLO

OKLO Risk / Return Rank: 45
OKLO Sharpe Ratio Rank: 42
OKLO Sortino Ratio Rank: 50
OKLO Omega Ratio Rank: 47
OKLO Calmar Ratio Rank: 42
OKLO Martin Ratio Rank: 41

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VST vs. OKLO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vistra Corp. (VST) and Oklo Inc. (OKLO). 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.

	VST	OKLO	Difference
Sharpe ratio: Return per unit of total volatility	-0.19	0.01	-0.20
Sortino ratio: Return per unit of downside risk	0.07	0.79	-0.72
Omega ratio: Gain probability vs. loss probability	1.01	1.09	-0.08
Calmar ratio: Return relative to maximum drawdown	-0.24	0.01	-0.25
Martin ratio: Return relative to average drawdown	-0.44	0.02	-0.45

VST vs. OKLO - Sharpe Ratio Comparison

The current VST Sharpe Ratio is -0.19, which is lower than the OKLO Sharpe Ratio of 0.01. The chart below compares the historical Sharpe Ratios of VST and OKLO, 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

VST vs. OKLO - Drawdown Comparison

The maximum VST drawdown since its inception was -53.32%, smaller than the maximum OKLO drawdown of -73.83%. Use the drawdown chart below to compare losses from any high point for VST and OKLO.

Drawdown Indicators

	VST	OKLO	Difference
Max Drawdown Largest peak-to-trough decline	-53.32%	-73.83%	+20.51%
Max Drawdown (1Y) Largest decline over 1 year	-38.01%	-73.83%	+35.82%
Max Drawdown (3Y) Largest decline over 3 years	-48.80%	-73.83%	+25.03%
Max Drawdown (5Y) Largest decline over 5 years	-48.80%	—	—
Current Drawdown Current decline from peak	-22.93%	-66.46%	+43.53%
Average Drawdown Average peak-to-trough decline	-13.75%	-18.32%	+4.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.06%	46.52%	-25.46%

Volatility

VST vs. OKLO - Volatility Comparison

The current volatility for Vistra Corp. (VST) is 14.21%, while Oklo Inc. (OKLO) has a volatility of 25.08%. This indicates that VST experiences smaller price fluctuations and is considered to be less risky than OKLO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VST	OKLO	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.21%	25.08%	-10.87%
Volatility (6M) Calculated over the trailing 6-month period	36.96%	67.61%	-30.65%
Volatility (1Y) Calculated over the trailing 1-year period	48.94%	102.08%	-53.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	48.02%	85.83%	-37.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.22%	85.83%	-43.61%

Dividends

VST vs. OKLO - Dividend Comparison

VST's dividend yield for the trailing twelve months is around 0.54%, while OKLO has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
OKLO Oklo Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VST Vistra Corp.	0.54%	0.56%	0.63%	2.13%	3.12%	2.64%	2.75%	2.17%	0.00%	0.00%	14.97%

Financials

Frequently Asked Questions

Can I hold both VST and OKLO in my portfolio?

VST and OKLO have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VST or OKLO?

OKLO has higher volatility (25.08%) compared to VST (14.21%). In terms of maximum drawdown, VST dropped -53.32% vs OKLO's -73.83%.

Which has better risk-adjusted returns?

OKLO currently has the higher Sharpe Ratio (0.01 vs -0.19), 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.