BUFI vs. PMAU
BUFI (AB International Buffer ETF) and PMAU (PGIM S&P 500 Max Buffer ETF - August) are both Defined Outcome funds. Both are actively managed. A 0.72 correlation means they provide meaningful diversification when combined. BUFI charges 0.69%/yr vs 0.50%/yr for PMAU.
Performance
BUFI vs. PMAU - Performance Comparison
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Returns By Period
In the year-to-date period, BUFI achieves a 4.92% return, which is significantly higher than PMAU's 2.95% return.
BUFI
- 1D
- -0.31%
- 1M
- 1.83%
- YTD
- 4.92%
- 6M
- 6.32%
- 1Y
- 12.80%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
PMAU
- 1D
- -0.02%
- 1M
- 0.89%
- YTD
- 2.95%
- 6M
- 3.43%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
BUFI vs. PMAU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BUFI AB International Buffer ETF | 4.92% | 7.51% |
PMAU PGIM S&P 500 Max Buffer ETF - August | 2.95% | 2.98% |
Correlation
The correlation between BUFI and PMAU is 0.72, 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 Aug 4, 2025 | 0.72 |
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Return for Risk
BUFI vs. PMAU — Risk / Return Rank
BUFI
PMAU
BUFI vs. PMAU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB International Buffer ETF (BUFI) and PGIM S&P 500 Max Buffer ETF - August (PMAU). 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.
| BUFI | PMAU | 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 | 2.26 | — | — |
| Martin ratioReturn relative to average drawdown | 8.98 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BUFI | PMAU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.53 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.50 | 2.90 | -1.40 |
Drawdowns
BUFI vs. PMAU - Drawdown Comparison
The maximum BUFI drawdown since its inception was -7.43%, which is greater than PMAU's maximum drawdown of -1.79%. Use the drawdown chart below to compare losses from any high point for BUFI and PMAU.
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Drawdown Indicators
| BUFI | PMAU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.43% | -1.79% | -5.64% |
Max Drawdown (1Y)Largest decline over 1 year | -5.69% | — | — |
Current DrawdownCurrent decline from peak | -0.32% | -0.02% | -0.30% |
Average DrawdownAverage peak-to-trough decline | -0.86% | -0.17% | -0.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.43% | — | — |
Volatility
BUFI vs. PMAU - Volatility Comparison
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Volatility by Period
| BUFI | PMAU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.20% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 7.05% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 8.43% | 2.51% | +5.92% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.15% | 2.51% | +6.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.15% | 2.51% | +6.64% |
BUFI vs. PMAU - Expense Ratio Comparison
BUFI has a 0.69% expense ratio, which is higher than PMAU's 0.50% expense ratio.
Dividends
BUFI vs. PMAU - Dividend Comparison
Neither BUFI nor PMAU has paid dividends to shareholders.
Frequently Asked Questions
BUFI and PMAU have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, PMAU is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.
PMAU is cheaper with a 0.50% expense ratio, compared with 0.69% for BUFI.
BUFI and PMAU have nearly identical dividend yields, around 0.00%.
They also come from different issuers: AllianceBernstein and PGIM. Their fees differ too: 0.69% for BUFI and 0.50% for PMAU.
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