DIG vs. BOIL

Last updated Apr 1, 2026

Compare and contrast key facts about ProShares Ultra Oil & Gas (DIG) and ProShares Ultra Bloomberg Natural Gas (BOIL).

DIG and BOIL are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. BOIL is a passively managed fund by ProShares that tracks the performance of the Dow Jones-UBS Natural Gas Subindex (200%). It was launched on Oct 4, 2011. Both DIG and BOIL 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

DIG vs. BOIL - Performance Comparison

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

DIG vs. BOIL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DIG ProShares Ultra Oil & Gas	85.56%	2.73%	0.93%	-13.04%	125.34%	115.63%	-70.36%	12.51%	-40.11%	-7.39%
BOIL ProShares Ultra Bloomberg Natural Gas	-29.61%	-58.98%	-60.75%	-92.00%	-31.85%	23.84%	-74.74%	-67.70%	-20.55%	-65.72%

Returns By Period

In the year-to-date period, DIG achieves a 85.56% return, which is significantly higher than BOIL's -29.61% return. Over the past 10 years, DIG has outperformed BOIL with an annualized return of 8.22%, while BOIL has yielded a comparatively lower -55.56% annualized return.

DIG

• 1D: -2.11%
• 1M: 20.66%
• YTD: 85.56%
• 6M: 84.85%
• 1Y: 61.85%
• 3Y*: 23.97%
• 5Y*: 36.31%
• 10Y*: 8.22%

BOIL

• 1D: 0.75%
• 1M: -1.95%
• YTD: -29.61%
• 6M: -46.25%
• 1Y: -81.20%
• 3Y*: -64.52%
• 5Y*: -62.47%
• 10Y*: -55.56%

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

DIG vs. BOIL - Expense Ratio Comparison

DIG has a 0.95% expense ratio, which is lower than BOIL's 1.31% expense ratio.

BOIL

ProShares Ultra Bloomberg Natural Gas

DIG

ProShares Ultra Oil & Gas

Return for Risk

DIG vs. BOIL — Risk / Return Rank

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

DIG

DIG Risk / Return Rank: 66
DIG Sharpe Ratio Rank: 73
DIG Sortino Ratio Rank: 69
DIG Omega Ratio Rank: 70
DIG Calmar Ratio Rank: 74
DIG Martin Ratio Rank: 42

BOIL

BOIL Risk / Return Rank: 2
BOIL Sharpe Ratio Rank: 2
BOIL Sortino Ratio Rank: 2
BOIL Omega Ratio Rank: 2
BOIL Calmar Ratio Rank: 0
BOIL Martin Ratio Rank: 3

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.

DIG vs. BOIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Oil & Gas (DIG) and ProShares Ultra Bloomberg Natural Gas (BOIL). 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.

	DIG	BOIL	Difference
Sharpe ratio Return per unit of total volatility	1.26	-0.68	+1.94
Sortino ratio Return per unit of downside risk	1.68	-1.00	+2.68
Omega ratio Gain probability vs. loss probability	1.25	0.88	+0.37
Calmar ratio Return relative to maximum drawdown	1.85	-0.99	+2.84
Martin ratio Return relative to average drawdown	3.79	-1.33	+5.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DIG vs. BOIL - Sharpe Ratio Comparison

The current DIG Sharpe Ratio is 1.26, which is higher than the BOIL Sharpe Ratio of -0.68. The chart below compares the historical Sharpe Ratios of DIG and BOIL, 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

	DIG	BOIL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.26	-0.68	+1.94
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	-0.53	+1.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.14	-0.55	+0.69
Sharpe Ratio (All Time) Calculated using the full available price history	0.01	-0.61	+0.62

Correlation

The correlation between DIG and BOIL 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

DIG vs. BOIL - Dividend Comparison

DIG's dividend yield for the trailing twelve months is around 1.34%, while BOIL has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIG ProShares Ultra Oil & Gas	1.34%	2.62%	3.13%	0.61%	1.33%	2.24%	3.18%	2.72%	2.30%	1.76%	1.09%	1.56%
BOIL ProShares Ultra Bloomberg Natural Gas	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

DIG vs. BOIL - Drawdown Comparison

The maximum DIG drawdown since its inception was -97.04%, roughly equal to the maximum BOIL drawdown of -100.00%. Use the drawdown chart below to compare losses from any high point for DIG and BOIL.

Drawdown Indicators

	DIG	BOIL	Difference
Max Drawdown Largest peak-to-trough decline	-97.04%	-100.00%	+2.96%
Max Drawdown (1Y) Largest decline over 1 year	-35.40%	-81.53%	+46.13%
Max Drawdown (5Y) Largest decline over 5 years	-46.02%	-99.88%	+53.86%
Max Drawdown (10Y) Largest decline over 10 years	-92.53%	-99.98%	+7.45%
Current Drawdown Current decline from peak	-45.64%	-100.00%	+54.36%
Average Drawdown Average peak-to-trough decline	-64.48%	-93.51%	+29.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.30%	60.91%	-43.61%

Volatility

DIG vs. BOIL - Volatility Comparison

The current volatility for ProShares Ultra Oil & Gas (DIG) is 9.86%, while ProShares Ultra Bloomberg Natural Gas (BOIL) has a volatility of 29.44%. This indicates that DIG experiences smaller price fluctuations and is considered to be less risky than BOIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DIG	BOIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.86%	29.44%	-19.58%
Volatility (6M) Calculated over the trailing 6-month period	27.64%	109.34%	-81.70%
Volatility (1Y) Calculated over the trailing 1-year period	49.37%	120.51%	-71.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.66%	118.61%	-66.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	57.59%	101.94%	-44.35%