UNL vs. DIG

Last updated Apr 2, 2026

Compare and contrast key facts about United States 12 Month Natural Gas Fund LP (UNL) and ProShares Ultra Oil & Gas (DIG).

UNL and DIG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. UNL is a passively managed fund by Concierge Technologies that tracks the performance of the 12 Month Natural Gas. It was launched on Nov 18, 2009. DIG is a passively managed fund by ProShares that tracks the performance of the Dow Jones U.S. Oil & Gas Index (200%). It was launched on Jan 30, 2007. Both UNL and DIG are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

UNL vs. DIG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in United States 12 Month Natural Gas Fund LP (UNL) and ProShares Ultra Oil & Gas (DIG). The values are adjusted to include any dividend payments, if applicable.

UNL vs. DIG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UNL United States 12 Month Natural Gas Fund LP	-8.13%	-9.67%	-4.78%	-50.20%	47.01%	54.42%	-9.54%	-18.78%	12.53%	-21.47%
DIG ProShares Ultra Oil & Gas	71.38%	2.73%	0.93%	-13.04%	125.34%	115.63%	-70.36%	12.51%	-40.11%	-7.39%

Returns By Period

In the year-to-date period, UNL achieves a -8.13% return, which is significantly lower than DIG's 71.38% return. Over the past 10 years, UNL has underperformed DIG with an annualized return of -2.62%, while DIG has yielded a comparatively higher 7.37% annualized return.

UNL

• 1D: -1.74%
• 1M: -4.64%
• YTD: -8.13%
• 6M: -15.46%
• 1Y: -32.00%
• 3Y*: -16.34%
• 5Y*: -3.07%
• 10Y*: -2.62%

DIG

• 1D: -7.64%
• 1M: 7.25%
• YTD: 71.38%
• 6M: 70.78%
• 1Y: 47.64%
• 3Y*: 20.73%
• 5Y*: 34.16%
• 10Y*: 7.37%

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

UNL vs. DIG - Expense Ratio Comparison

UNL has a 0.90% expense ratio, which is lower than DIG's 0.95% expense ratio.

DIG

ProShares Ultra Oil & Gas

UNL

United States 12 Month Natural Gas Fund LP

Return for Risk

UNL vs. DIG — Risk / Return Rank

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

UNL

UNL Risk / Return Rank: 1
UNL Sharpe Ratio Rank: 1
UNL Sortino Ratio Rank: 2
UNL Omega Ratio Rank: 2
UNL Calmar Ratio Rank: 0
UNL Martin Ratio Rank: 1

DIG

DIG Risk / Return Rank: 47
DIG Sharpe Ratio Rank: 51
DIG Sortino Ratio Rank: 50
DIG Omega Ratio Rank: 52
DIG Calmar Ratio Rank: 51
DIG Martin Ratio Rank: 31

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.

UNL vs. DIG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for United States 12 Month Natural Gas Fund LP (UNL) and ProShares Ultra Oil & Gas (DIG). 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.

	UNL	DIG	Difference
Sharpe ratio Return per unit of total volatility	-0.82	0.96	-1.78
Sortino ratio Return per unit of downside risk	-1.03	1.41	-2.44
Omega ratio Gain probability vs. loss probability	0.87	1.21	-0.34
Calmar ratio Return relative to maximum drawdown	-0.93	1.40	-2.33
Martin ratio Return relative to average drawdown	-1.53	2.86	-4.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UNL vs. DIG - Sharpe Ratio Comparison

The current UNL Sharpe Ratio is -0.82, which is lower than the DIG Sharpe Ratio of 0.96. The chart below compares the historical Sharpe Ratios of UNL and DIG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	UNL	DIG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.82	0.96	-1.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.07	0.66	-0.74
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.08	0.13	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	-0.39	0.00	-0.40

Correlation

The correlation between UNL and DIG is 0.15, 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.

Dividends

UNL vs. DIG - Dividend Comparison

UNL has not paid dividends to shareholders, while DIG's dividend yield for the trailing twelve months is around 1.45%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
UNL United States 12 Month 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%
DIG ProShares Ultra Oil & Gas	1.45%	2.62%	3.13%	0.61%	1.33%	2.24%	3.18%	2.72%	2.30%	1.76%	1.09%	1.56%

Drawdowns

UNL vs. DIG - Drawdown Comparison

The maximum UNL drawdown since its inception was -88.52%, smaller than the maximum DIG drawdown of -97.04%. Use the drawdown chart below to compare losses from any high point for UNL and DIG.

Drawdown Indicators

	UNL	DIG	Difference
Max Drawdown Largest peak-to-trough decline	-88.52%	-97.04%	+8.52%
Max Drawdown (1Y) Largest decline over 1 year	-36.28%	-35.40%	-0.88%
Max Drawdown (5Y) Largest decline over 5 years	-77.17%	-46.02%	-31.15%
Max Drawdown (10Y) Largest decline over 10 years	-77.17%	-92.53%	+15.36%
Current Drawdown Current decline from peak	-87.99%	-49.79%	-38.20%
Average Drawdown Average peak-to-trough decline	-73.20%	-64.47%	-8.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.12%	17.32%	+4.80%

Volatility

UNL vs. DIG - Volatility Comparison

The current volatility for United States 12 Month Natural Gas Fund LP (UNL) is 11.07%, while ProShares Ultra Oil & Gas (DIG) has a volatility of 12.95%. This indicates that UNL experiences smaller price fluctuations and is considered to be less risky than DIG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UNL	DIG	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.07%	12.95%	-1.88%
Volatility (6M) Calculated over the trailing 6-month period	32.27%	28.78%	+3.49%
Volatility (1Y) Calculated over the trailing 1-year period	39.11%	49.96%	-10.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.69%	51.73%	-10.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.81%	57.63%	-23.82%