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UNG vs. VOO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between UNG and VOO is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


-0.50.00.51.00.1

Performance

UNG vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in United States Natural Gas Fund LP (UNG) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

-10.00%0.00%10.00%20.00%30.00%AugustSeptemberOctoberNovemberDecember2025
34.91%
5.25%
UNG
VOO

Key characteristics

Sharpe Ratio

UNG:

-0.43

VOO:

1.88

Sortino Ratio

UNG:

-0.27

VOO:

2.52

Omega Ratio

UNG:

0.97

VOO:

1.35

Calmar Ratio

UNG:

-0.27

VOO:

2.83

Martin Ratio

UNG:

-0.62

VOO:

11.96

Ulcer Index

UNG:

42.88%

VOO:

2.00%

Daily Std Dev

UNG:

61.83%

VOO:

12.70%

Max Drawdown

UNG:

-99.85%

VOO:

-33.99%

Current Drawdown

UNG:

-99.77%

VOO:

-3.91%

Returns By Period

In the year-to-date period, UNG achieves a 9.88% return, which is significantly higher than VOO's -0.66% return. Over the past 10 years, UNG has underperformed VOO with an annualized return of -23.02%, while VOO has yielded a comparatively higher 13.26% annualized return.


UNG

YTD

9.88%

1M

29.80%

6M

26.42%

1Y

-32.29%

5Y*

-22.16%

10Y*

-23.02%

VOO

YTD

-0.66%

1M

-3.35%

6M

3.78%

1Y

23.82%

5Y*

13.79%

10Y*

13.26%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


UNG vs. VOO - Expense Ratio Comparison

UNG has a 1.28% expense ratio, which is higher than VOO's 0.03% expense ratio.


UNG
United States Natural Gas Fund LP
Expense ratio chart for UNG: current value at 1.28% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%1.28%
Expense ratio chart for VOO: current value at 0.03% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.03%

Risk-Adjusted Performance

UNG vs. VOO — Risk-Adjusted Performance Rank

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

UNG
The Risk-Adjusted Performance Rank of UNG is 66
Overall Rank
The Sharpe Ratio Rank of UNG is 55
Sharpe Ratio Rank
The Sortino Ratio Rank of UNG is 66
Sortino Ratio Rank
The Omega Ratio Rank of UNG is 66
Omega Ratio Rank
The Calmar Ratio Rank of UNG is 44
Calmar Ratio Rank
The Martin Ratio Rank of UNG is 77
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 8282
Overall Rank
The Sharpe Ratio Rank of VOO is 8282
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 8080
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 8282
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 8282
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 8484
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

UNG vs. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for United States Natural Gas Fund LP (UNG) and Vanguard S&P 500 ETF (VOO). 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.


Sharpe ratio
The chart of Sharpe ratio for UNG, currently valued at -0.43, compared to the broader market-1.000.001.002.003.004.005.00-0.431.88
The chart of Sortino ratio for UNG, currently valued at -0.27, compared to the broader market-2.000.002.004.006.008.0010.00-0.272.52
The chart of Omega ratio for UNG, currently valued at 0.97, compared to the broader market0.501.001.502.002.503.000.971.35
The chart of Calmar ratio for UNG, currently valued at -0.27, compared to the broader market0.005.0010.0015.00-0.272.83
The chart of Martin ratio for UNG, currently valued at -0.62, compared to the broader market0.0020.0040.0060.0080.00100.00-0.6211.96
UNG
VOO

The current UNG Sharpe Ratio is -0.43, which is lower than the VOO Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of UNG and VOO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
-0.43
1.88
UNG
VOO

Dividends

UNG vs. VOO - Dividend Comparison

UNG has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.25%.


TTM20242023202220212020201920182017201620152014
UNG
United States Natural Gas Fund LP
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
VOO
Vanguard S&P 500 ETF
1.25%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

UNG vs. VOO - Drawdown Comparison

The maximum UNG drawdown since its inception was -99.85%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for UNG and VOO. For additional features, visit the drawdowns tool.


-100.00%-80.00%-60.00%-40.00%-20.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-97.86%
-3.91%
UNG
VOO

Volatility

UNG vs. VOO - Volatility Comparison

United States Natural Gas Fund LP (UNG) has a higher volatility of 26.50% compared to Vanguard S&P 500 ETF (VOO) at 4.56%. This indicates that UNG's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%5.00%10.00%15.00%20.00%25.00%AugustSeptemberOctoberNovemberDecember2025
26.50%
4.56%
UNG
VOO
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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