BLDX vs. MLPB
BLDX (Impax Global Sustainable Infrastructure ETF) and MLPB (ETRACS Alerian MLP Infrastructure Index ETN Series B) are both Infrastructure Equities funds. BLDX is actively managed, while MLPB is passively managed. Their 0.02 correlation means their historical movements had little consistent relationship. BLDX charges 0.60%/yr vs 0.85%/yr for MLPB.
Performance
BLDX vs. MLPB - Performance Comparison
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Returns By Period
BLDX
- 1D
- -0.11%
- 1M
- 0.68%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
MLPB
- 1D
- -1.73%
- 1M
- 6.24%
- 6M
- 17.43%
- YTD
- 23.94%
- 1Y
- 23.83%
- 3Y*
- 21.00%
- 5Y*
- 21.53%
- 10Y*
- 8.66%
- ALL TIME*
- 7.32%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $75.90K | $90.31K | $290.80K | |
| $96.80K | $102.20K | $133.47K |
BLDX vs. MLPB - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
BLDX Impax Global Sustainable Infrastructure ETF | 5.78% |
MLPB ETRACS Alerian MLP Infrastructure Index ETN Series B | 15.26% |
Correlation
The correlation between BLDX and MLPB is 0.02, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Feb 2, 2026 | 0.02 |
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Return for Risk
BLDX vs. MLPB — Risk / Return Rank
BLDX
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
MLPB
BLDX vs. MLPB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Impax Global Sustainable Infrastructure ETF (BLDX) and ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB). 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.
| BLDX | MLPB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.29 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.47 | — |
| Martin ratioReturn relative to average drawdown | — | 6.43 | — |
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Drawdowns
BLDX vs. MLPB - Drawdown Comparison
The maximum BLDX drawdown since its inception was -8.26%, smaller than the maximum MLPB drawdown of -71.93%. Use the drawdown chart below to compare losses from any high point for BLDX and MLPB.
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Drawdown Indicators
| BLDX | MLPB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.26% | -71.93% | +63.67% |
Max Drawdown (1Y)Largest decline over 1 year | — | -9.68% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -16.49% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -20.41% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -71.93% | — |
Current DrawdownCurrent decline from peak | -3.89% | -1.89% | -2.00% |
Average DrawdownAverage peak-to-trough decline | -3.56% | -14.69% | +11.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 3.72% | — |
Volatility
BLDX vs. MLPB - Volatility Comparison
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Volatility by Period
| BLDX | MLPB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 4.56% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 11.12% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 16.88% | 14.20% | +2.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.88% | 19.64% | -2.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.88% | 27.20% | -10.32% |
BLDX vs. MLPB - Expense Ratio Comparison
BLDX has a 0.60% expense ratio, which is lower than MLPB's 0.85% expense ratio.
Dividends
BLDX vs. MLPB - Dividend Comparison
BLDX's dividend yield for the trailing twelve months is around 0.97%, less than MLPB's 5.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BLDX Impax Global Sustainable Infrastructure ETF | 0.97% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MLPB ETRACS Alerian MLP Infrastructure Index ETN Series B | 5.82% | 6.51% | 5.95% | 6.37% | 6.00% | 6.98% | 11.93% | 7.98% | 8.11% | 7.23% | 6.85% |
Frequently Asked Questions
BLDX and MLPB have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, BLDX is cheaper at 0.60% per year. The better choice depends on whether you care most about return, fees, risk, or income.
BLDX is cheaper with a 0.60% expense ratio, compared with 0.85% for MLPB.
MLPB has the higher dividend yield at 5.82%, compared with 0.97% for BLDX.
They also come from different issuers: Impax Asset Management and UBS. Their fees differ too: 0.60% for BLDX and 0.85% for MLPB.
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