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ISIN
US9123184098
CUSIP
912318300
Inception Date
Apr 18, 2007
Region
North America (U.S.)
Category
Oil & Gas
Leveraged
1x (No leverage)
Index Tracked
Front Month Natural Gas Futures
Domicile
United States
Distribution Policy
Accumulating
Asset Class
Commodity
Assets Under Management
$591M

Share Price Chart


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Performance

UNG Performance Chart

United States Natural Gas Fund LP (UNG) is down 4.0% since the beginning of the year. UNG is currently trading at $12 per share. Investors who bought $1,000 worth of UNG shares 5 years ago would now be looking at an investment worth $253.


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S&P 500 Index

Returns By Period

United States Natural Gas Fund LP (UNG) has returned -4.00% so far this year and -33.35% over the past 12 months. Over the last ten years, UNG has returned -21.19% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


United States Natural Gas Fund LP

1D
0.26%
1M
7.59%
YTD
-4.00%
6M
-0.68%
1Y
-33.35%
3Y*
-26.96%
5Y*
-24.05%
10Y*
-21.19%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

UNG Monthly Returns History

Based on dividend-adjusted daily data since Apr 18, 2007, UNG's average daily return is -0.08%, while the average monthly return is -1.77%.

Historically, 41% of months were positive and 59% were negative. The best month was Jul 2022 with a return of +50.6%, while the worst month was Jan 2023 at -33.9%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 10 months.

On a daily basis, UNG closed higher 48% of trading days. The best single day was Jan 20, 2026 with a return of +19.8%, while the worst single day was Feb 2, 2026 at -24.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
202637.85%-31.83%1.82%-9.63%12.55%-1.34%-4.00%
2025-3.69%25.63%6.24%-22.54%-6.15%-2.74%-11.06%-5.59%1.87%1.38%11.17%-16.77%-27.07%
2024-3.21%-15.74%-11.91%-0.89%21.81%-0.91%-22.32%-1.26%22.14%-22.17%13.53%16.49%-17.11%
2023-33.90%-2.15%-23.90%1.01%-11.55%19.68%-4.18%-0.00%-3.94%9.81%-26.40%-8.15%-64.04%
202236.19%-9.11%27.55%26.77%11.64%-31.89%50.55%10.59%-26.13%-12.83%4.12%-33.55%12.89%
20212.28%9.67%-7.17%9.71%0.10%24.33%5.20%11.34%31.59%-8.43%-18.31%-17.18%35.76%

Benchmark Metrics

United States Natural Gas Fund LP has an annualized alpha of -20.62%, beta of 0.22, and R2 of 0.01 versus S&P 500 Index. Calculated based on daily prices since April 18, 2007.

  • This ETF participated in 127.36% of S&P 500 Index downside but only -27.27% of its upside - more exposed to losses than it benefited from rallies.
  • Beta of 0.22 may look defensive, but with R2 of 0.01 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
  • R2 of 0.01 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
-20.62%
Beta
0.22
0.01
Upside Capture
-27.27%
Downside Capture
127.36%

Expense Ratio

UNG has a high expense ratio of 1.17%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

UNG ranks 4 for risk / return — in the bottom 4% of ETFs on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


UNG Risk / Return Rank: 44
Overall Rank
UNG Sharpe Ratio Rank: 44
Sharpe Ratio Rank
UNG Sortino Ratio Rank: 55
Sortino Ratio Rank
UNG Omega Ratio Rank: 55
Omega Ratio Rank
UNG Calmar Ratio Rank: 22
Calmar Ratio Rank
UNG Martin Ratio Rank: 22
Martin Ratio Rank
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for United States Natural Gas Fund LP (UNG) and compare them to S&P 500 Index.

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.


UNGBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-2.58

Sortino ratioReturn per unit of downside risk

-3.25

Omega ratioGain probability vs. loss probability

0.94

1.37

-0.43

Calmar ratioReturn relative to maximum drawdown

-0.84

2.78

-3.62

Martin ratioReturn relative to average drawdown

-1.28

12.44

-13.72

Dividends

Dividend History


United States Natural Gas Fund LP doesn't pay dividends

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the United States Natural Gas Fund LP. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the United States Natural Gas Fund LP was 99.88%, occurring on Apr 29, 2026. The portfolio has not yet recovered.

The current United States Natural Gas Fund LP drawdown is 99.86%.


Related event

Drawdown

Fall

Recovery

Underwater

2026 bear market2026
-99.88%Apr 2026
17y 10mo
17y 12moJul 2008 - now
2007 bear market2007
-36.72%Aug 2007
3mo 15d8mo 1d
11mo 16dMay 2007 - Apr 2008
Financial crisis2007–2009
-6.30%May 2008
2d6d
8dApr 2008 - May 2008
Financial crisis2007–2009
-5.82%May 2008
7d2d
9dMay 2008 - May 2008
Financial crisis2007–2009
-4.77%May 2008
0s5d
5dMay 2008 - Jun 2008

Drawdown Indicators


UNGBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-99.88%

-56.78%

-43.10%

Max Drawdown (1Y)

Largest decline over 1 year

-39.94%

-9.10%

-30.84%

Max Drawdown (3Y)

Largest decline over 3 years

-68.16%

-18.90%

-49.26%

Max Drawdown (5Y)

Largest decline over 5 years

-92.49%

-25.43%

-67.06%

Max Drawdown (10Y)

Largest decline over 10 years

-93.55%

-33.92%

-59.63%

Current Drawdown

Current decline from peak

-99.86%

-1.80%

-98.06%

Average Drawdown

Average peak-to-trough decline

-89.97%

-10.71%

-79.26%

Ulcer Index

Depth and duration of drawdowns from previous peaks

29.14%

2.03%

+27.11%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with UNG

Add United States Natural Gas Fund LP to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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