PBOG vs. MDST
PBOG (Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF) and MDST (Westwood Salient Enhanced Midstream Income ETF) are both Energy Equities funds. PBOG is passively managed, while MDST is actively managed. A 0.58 correlation means they provide meaningful diversification when combined. PBOG charges 0.13%/yr vs 0.80%/yr for MDST.
Performance
PBOG vs. MDST - Performance Comparison
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Returns By Period
In the year-to-date period, PBOG achieves a 20.33% return, which is significantly higher than MDST's 16.53% return.
PBOG
- 1D
- 0.25%
- 1M
- -9.73%
- YTD
- 20.33%
- 6M
- 21.36%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MDST
- 1D
- 1.73%
- 1M
- -1.91%
- YTD
- 16.53%
- 6M
- 16.66%
- 1Y
- 20.94%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
PBOG vs. MDST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
PBOG Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF | 20.33% | 1.39% |
MDST Westwood Salient Enhanced Midstream Income ETF | 16.53% | 2.50% |
Correlation
The correlation between PBOG and MDST is 0.58, 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 25, 2025 | 0.58 |
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Return for Risk
PBOG vs. MDST — Risk / Return Rank
PBOG
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
MDST
PBOG vs. MDST - 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 Westwood Salient Enhanced Midstream Income ETF (MDST). 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.
| PBOG | MDST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.30 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 3.12 | — |
| Martin ratioReturn relative to average drawdown | — | 8.43 | — |
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Drawdowns
PBOG vs. MDST - Drawdown Comparison
The maximum PBOG drawdown since its inception was -16.46%, which is greater than MDST's maximum drawdown of -14.19%. Use the drawdown chart below to compare losses from any high point for PBOG and MDST.
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Drawdown Indicators
| PBOG | MDST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.46% | -14.19% | -2.27% |
Max Drawdown (1Y)Largest decline over 1 year | — | -6.74% | — |
Current DrawdownCurrent decline from peak | -15.19% | -2.20% | -12.99% |
Average DrawdownAverage peak-to-trough decline | -3.86% | -2.20% | -1.66% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 2.49% | — |
Volatility
PBOG vs. MDST - Volatility Comparison
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Volatility by Period
| PBOG | MDST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 4.87% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 8.71% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 23.95% | 12.45% | +11.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.95% | 16.11% | +7.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.95% | 16.11% | +7.84% |
PBOG vs. MDST - Expense Ratio Comparison
PBOG has a 0.13% expense ratio, which is lower than MDST's 0.80% expense ratio.
Dividends
PBOG vs. MDST - Dividend Comparison
PBOG's dividend yield for the trailing twelve months is around 0.14%, less than MDST's 9.20% yield.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
MDST Westwood Salient Enhanced Midstream Income ETF | 9.20% | 10.22% | 6.60% |
PBOG Portfolio Building Block Integrated Oil & Gas and Exploration & Production Index ETF | 0.14% | 0.17% | 0.00% |
Frequently Asked Questions
PBOG and MDST have a correlation of 0.58, 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 0.80% for MDST.
MDST has the higher dividend yield at 9.20%, compared with 0.14% for PBOG.
They also come from different issuers: Portfolio Building Blocks and Westwood. Their fees differ too: 0.13% for PBOG and 0.80% for MDST.
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