BOIL vs. USL

Last updated Jun 24, 2026

BOIL (ProShares Ultra Bloomberg Natural Gas) and USL (United States 12 Month Oil Fund LP) are both Oil & Gas funds - BOIL tracks the Bloomberg Natural Gas Subindex while USL tracks the 12 Month Light Sweet Crude Oil. Both are passively managed. Over the past 10 years, BOIL returned -57.84%/yr vs 9.43%/yr for USL. At a 0.12 correlation, their price movements are largely independent. BOIL charges 1.31%/yr vs 0.88%/yr for USL.

Performance

BOIL vs. USL - Performance Comparison

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

Returns By Period

In the year-to-date period, BOIL achieves a -41.05% return, which is significantly lower than USL's 39.93% return. Over the past 10 years, BOIL has underperformed USL with an annualized return of -57.84%, while USL has yielded a comparatively higher 9.43% annualized return.

BOIL

• 1D: -4.80%
• 1M: 5.97%
• YTD: -41.05%
• 6M: -46.24%
• 1Y: -75.60%
• 3Y*: -66.48%
• 5Y*: -66.38%
• 10Y*: -57.84%

USL

• 1D: -0.53%
• 1M: -13.39%
• YTD: 39.93%
• 6M: 37.90%
• 1Y: 26.14%
• 3Y*: 13.28%
• 5Y*: 12.73%
• 10Y*: 9.43%

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

BOIL vs. USL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BOIL ProShares Ultra Bloomberg Natural Gas	-41.05%	-58.98%	-60.75%	-92.00%	-31.85%	23.84%	-74.74%	-67.70%	-20.55%	-65.72%
USL United States 12 Month Oil Fund LP	39.93%	-12.37%	8.30%	-1.11%	27.10%	62.48%	-25.23%	28.01%	-14.15%	2.55%

Correlation

The correlation between BOIL and USL is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.14
Correlation (10Y) Calculated over the trailing 10-year period	0.13
Correlation (All Time) Calculated using the full available price history since Oct 6, 2011	0.12

Return for Risk

BOIL vs. USL — Risk / Return Rank

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

BOIL

BOIL Risk / Return Rank: 3
BOIL Sharpe Ratio Rank: 4
BOIL Sortino Ratio Rank: 4
BOIL Omega Ratio Rank: 3
BOIL Calmar Ratio Rank: 1
BOIL Martin Ratio Rank: 2

USL

USL Risk / Return Rank: 27
USL Sharpe Ratio Rank: 27
USL Sortino Ratio Rank: 26
USL Omega Ratio Rank: 26
USL Calmar Ratio Rank: 31
USL Martin Ratio Rank: 27

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.

BOIL vs. USL - Risk-Adjusted Trends Comparison

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

	BOIL	USL	Difference
Sharpe ratio: Return per unit of total volatility	-0.67	0.92	-1.59
Sortino ratio: Return per unit of downside risk	-0.85	1.38	-2.23
Omega ratio: Gain probability vs. loss probability	0.89	1.17	-0.28
Calmar ratio: Return relative to maximum drawdown	-0.98	1.50	-2.48
Martin ratio: Return relative to average drawdown	-1.36	3.41	-4.77

BOIL vs. USL - Sharpe Ratio Comparison

The current BOIL Sharpe Ratio is -0.67, which is lower than the USL Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of BOIL and USL, 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

BOIL vs. USL - Drawdown Comparison

The maximum BOIL drawdown since its inception was -100.00%, which is greater than USL's maximum drawdown of -89.06%. Use the drawdown chart below to compare losses from any high point for BOIL and USL.

Drawdown Indicators

	BOIL	USL	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-89.06%	-10.94%
Max Drawdown (1Y) Largest decline over 1 year	-77.43%	-17.53%	-59.90%
Max Drawdown (3Y) Largest decline over 3 years	-96.86%	-23.33%	-73.53%
Max Drawdown (5Y) Largest decline over 5 years	-99.91%	-33.82%	-66.09%
Max Drawdown (10Y) Largest decline over 10 years	-99.99%	-66.02%	-33.97%
Current Drawdown Current decline from peak	-100.00%	-46.93%	-53.07%
Average Drawdown Average peak-to-trough decline	-93.59%	-61.39%	-32.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	56.83%	7.72%	+49.11%

Volatility

BOIL vs. USL - Volatility Comparison

ProShares Ultra Bloomberg Natural Gas (BOIL) has a higher volatility of 23.63% compared to United States 12 Month Oil Fund LP (USL) at 8.21%. This indicates that BOIL's price experiences larger fluctuations and is considered to be riskier than USL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BOIL	USL	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.63%	8.21%	+15.42%
Volatility (6M) Calculated over the trailing 6-month period	104.46%	24.20%	+80.26%
Volatility (1Y) Calculated over the trailing 1-year period	113.44%	28.90%	+84.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	118.97%	30.24%	+88.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	101.84%	32.33%	+69.51%

BOIL vs. USL - Expense Ratio Comparison

BOIL has a 1.31% expense ratio, which is higher than USL's 0.88% expense ratio.

Dividends

BOIL vs. USL - Dividend Comparison

Neither BOIL nor USL has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BOIL and USL in my portfolio?

BOIL and USL have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BOIL or USL?

BOIL has higher volatility (23.63%) compared to USL (8.21%). In terms of maximum drawdown, BOIL dropped -100.00% vs USL's -89.06%.

Which ETF is better, BOIL or USL?

On 10-year performance, USL leads with 9.43% vs -57.84% for BOIL. On fees, USL is cheaper at 0.88% per year. On volatility, USL has been the lower-risk option at 8.21%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BOIL or USL?

Over the 10-year period, USL has performed better with a 9.43% return vs -57.84%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BOIL or USL?

USL is cheaper with a 0.88% expense ratio, compared with 1.31% for BOIL.

Which ETF pays a higher dividend yield, BOIL or USL?

BOIL and USL have nearly identical dividend yields, around 0.00%.

What is the main difference between BOIL and USL?

BOIL tracks Bloomberg Natural Gas Subindex, while USL tracks 12 Month Light Sweet Crude Oil. They also come from different issuers: ProShares and Concierge Technologies. Their fees differ too: 1.31% for BOIL and 0.88% for USL.

Which has better risk-adjusted returns?

USL currently has the higher Sharpe Ratio (0.92 vs -0.67), 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.