PBOG vs. IEZ
PBOG (Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF) and IEZ (iShares U.S. Oil Equipment & Services ETF) are both exchange-traded funds - PBOG is a Oil & Gas fund tracking the BITA Global Oil & Gas Select Index, while IEZ is a Energy Equities fund tracking the Dow Jones U.S. Select Oil Equipment & Services Index. Both are passively managed. A 0.57 correlation means they provide meaningful diversification when combined. PBOG charges 0.13%/yr vs 0.42%/yr for IEZ.
Performance
PBOG vs. IEZ - Performance Comparison
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Returns By Period
In the year-to-date period, PBOG achieves a 32.22% return, which is significantly lower than IEZ's 47.84% return.
PBOG
- 1D
- 1.23%
- 1M
- -2.32%
- YTD
- 32.22%
- 6M
- 29.70%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IEZ
- 1D
- 0.03%
- 1M
- -3.54%
- YTD
- 47.84%
- 6M
- 42.02%
- 1Y
- 85.10%
- 3Y*
- 19.17%
- 5Y*
- 13.91%
- 10Y*
- -0.13%
PBOG vs. IEZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
PBOG Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF | 32.22% | 1.62% |
IEZ iShares U.S. Oil Equipment & Services ETF | 47.84% | 1.81% |
Correlation
The correlation between PBOG and IEZ is 0.57, 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 | 0.57 |
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Return for Risk
PBOG vs. IEZ — Risk / Return Rank
PBOG
IEZ
PBOG vs. IEZ - 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 iShares U.S. Oil Equipment & Services ETF (IEZ). 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.
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Sharpe Ratios by Period
| PBOG | IEZ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | — | 3.00 | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.38 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.00 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 3.31 | -0.04 | +3.35 |
Drawdowns
PBOG vs. IEZ - Drawdown Comparison
The maximum PBOG drawdown since its inception was -11.45%, smaller than the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for PBOG and IEZ.
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Drawdown Indicators
| PBOG | IEZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.45% | -92.52% | +81.07% |
Max Drawdown (1Y)Largest decline over 1 year | — | -10.32% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -40.25% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -40.25% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -88.29% | — |
Current DrawdownCurrent decline from peak | -6.81% | -51.21% | +44.40% |
Average DrawdownAverage peak-to-trough decline | -3.10% | -48.26% | +45.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 3.78% | — |
Volatility
PBOG vs. IEZ - Volatility Comparison
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Volatility by Period
| PBOG | IEZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 7.95% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 20.11% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 23.67% | 28.62% | -4.95% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.67% | 36.35% | -12.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.67% | 41.56% | -17.89% |
PBOG vs. IEZ - Expense Ratio Comparison
PBOG has a 0.13% expense ratio, which is lower than IEZ's 0.42% expense ratio.
Dividends
PBOG vs. IEZ - Dividend Comparison
PBOG's dividend yield for the trailing twelve months is around 0.13%, less than IEZ's 1.18% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 1.18% | 1.87% | 1.76% | 0.97% | 0.65% | 1.20% | 2.07% | 2.28% | 1.81% | 3.42% | 0.91% | 2.40% |
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% | 0.00% | 0.00% |
Frequently Asked Questions
PBOG and IEZ have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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.
PBOG is cheaper with a 0.13% expense ratio, compared with 0.42% for IEZ.
IEZ has the higher dividend yield at 1.18%, compared with 0.13% for PBOG.
PBOG is categorized as Oil & Gas, while IEZ is Energy Equities. PBOG tracks BITA Global Oil & Gas Select Index, while IEZ tracks Dow Jones U.S. Select Oil Equipment & Services Index. They also come from different issuers: Portfolio Building Blocks and iShares. Their fees differ too: 0.13% for PBOG and 0.42% for IEZ.
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