PBOG vs. OILK

Last updated Jun 4, 2026

PBOG (Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both Oil & Gas funds - PBOG tracks the BITA Global Oil & Gas Select Index while OILK tracks the Bloomberg Commodity Balanced WTI Crude Oil Index. Both are passively managed. A 0.73 correlation means they provide meaningful diversification when combined. PBOG charges 0.13%/yr vs 0.68%/yr for OILK.

Performance

PBOG vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF (PBOG) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PBOG achieves a 32.22% return, which is significantly lower than OILK's 64.22% return.

PBOG

• 1D: 1.23%
• 1M: -2.32%
• YTD: 32.22%
• 6M: 29.70%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

OILK

• 1D: 1.40%
• 1M: -1.65%
• YTD: 64.22%
• 6M: 60.70%
• 1Y: 58.99%
• 3Y*: 19.03%
• 5Y*: 17.73%
• 10Y*: —

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

PBOG vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025
PBOG Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF	32.22%	1.62%
OILK ProShares K-1 Free Crude Oil Strategy ETF	64.22%	-0.95%

Correlation

The correlation between PBOG and OILK is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 26, 2025	0.73

Return for Risk

PBOG vs. OILK — Risk / Return Rank

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

OILK

OILK Risk / Return Rank: 55
OILK Sharpe Ratio Rank: 60
OILK Sortino Ratio Rank: 53
OILK Omega Ratio Rank: 54
OILK Calmar Ratio Rank: 68
OILK Martin Ratio Rank: 42

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.

PBOG vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF (PBOG) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	PBOG	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.06	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	3.31	0.12	+3.20

Drawdowns

PBOG vs. OILK - Drawdown Comparison

The maximum PBOG drawdown since its inception was -11.45%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for PBOG and OILK.

Drawdown Indicators

	PBOG	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-11.45%	-83.76%	+72.31%
Max Drawdown (1Y) Largest decline over 1 year	—	-17.35%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-23.42%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-34.69%	—
Current Drawdown Current decline from peak	-6.81%	-3.66%	-3.15%
Average Drawdown Average peak-to-trough decline	-3.10%	-32.61%	+29.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	8.56%	—

Volatility

Volatility by Period

	PBOG	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	10.44%	—
Volatility (6M) Calculated over the trailing 6-month period	—	23.26%	—
Volatility (1Y) Calculated over the trailing 1-year period	23.67%	28.75%	-5.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.67%	30.12%	-6.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.67%	35.97%	-12.30%

PBOG vs. OILK - Expense Ratio Comparison

PBOG has a 0.13% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

PBOG vs. OILK - Dividend Comparison

PBOG's dividend yield for the trailing twelve months is around 0.13%, less than OILK's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
OILK ProShares K-1 Free Crude Oil Strategy ETF	8.18%	4.79%	3.11%	5.80%	17.32%	68.82%	0.13%	0.94%	0.58%	6.17%
PBOG Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF	0.13%	0.17%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PBOG and OILK in my portfolio?

PBOG and OILK have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, PBOG or OILK?

On fees, PBOG is cheaper at 0.13% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, PBOG or OILK?

PBOG is cheaper with a 0.13% expense ratio, compared with 0.68% for OILK.

Which ETF pays a higher dividend yield, PBOG or OILK?

OILK has the higher dividend yield at 8.18%, compared with 0.13% for PBOG.

What is the main difference between PBOG and OILK?

PBOG tracks BITA Global Oil & Gas Select Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: Portfolio Building Blocks and ProShares. Their fees differ too: 0.13% for PBOG and 0.68% for OILK.