IPOS vs. BUFI
IPOS (Renaissance International IPO ETF) and BUFI (AB International Buffer ETF) are both exchange-traded funds - IPOS is a Foreign Large Cap Equities fund tracking the Renaissance International IPO Index, while BUFI is a Defined Outcome fund actively managed by AllianceBernstein. IPOS is passively managed, while BUFI is actively managed. Over the past year, IPOS returned 48.11% vs 14.79% for BUFI. Their 0.56 correlation means they have sometimes moved together and sometimes differently. IPOS charges 0.80%/yr vs 0.69%/yr for BUFI.
Performance
IPOS vs. BUFI - Performance Comparison
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Returns By Period
In the year-to-date period, IPOS achieves a 32.73% return, which is significantly higher than BUFI's 6.77% return.
IPOS
- 1D
- 0.99%
- 1M
- -8.90%
- 6M
- 16.48%
- YTD
- 32.73%
- 1Y
- 48.11%
- 3Y*
- 12.33%
- 5Y*
- -7.18%
- 10Y*
- 2.37%
- ALL TIME*
- 1.63%
BUFI
- 1D
- -0.60%
- 1M
- 0.60%
- 6M
- 4.45%
- YTD
- 6.77%
- 1Y
- 14.79%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 13.44%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $181.70K | $602.68K | $512.75K | |
| $55.92K | $63.26K | $109.96K |
IPOS vs. BUFI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IPOS Renaissance International IPO ETF | 32.73% | 39.93% | -6.08% |
BUFI AB International Buffer ETF | 6.77% | 16.50% | -1.18% |
Correlation
The correlation between IPOS and BUFI is 0.54, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.54 |
Correlation (All Time) Calculated using the full available price history since Dec 10, 2024 | 0.56 |
The correlation between IPOS and BUFI has been stable across timeframes, ranging from 0.54 to 0.56 - a consistent structural relationship.
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Return for Risk
IPOS vs. BUFI — Risk / Return Rank
IPOS
BUFI
IPOS vs. BUFI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Renaissance International IPO ETF (IPOS) and AB International Buffer ETF (BUFI). 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.
| IPOS | BUFI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.26 | ||
| Sortino ratioReturn per unit of downside risk | -0.52 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.32 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 2.59 | 2.61 | -0.01 |
| Martin ratioReturn relative to average drawdown | 7.14 | 10.48 | -3.34 |
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Drawdowns
IPOS vs. BUFI - Drawdown Comparison
The maximum IPOS drawdown since its inception was -73.09%, which is greater than BUFI's maximum drawdown of -7.43%. Use the drawdown chart below to compare losses from any high point for IPOS and BUFI.
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Drawdown Indicators
| IPOS | BUFI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -73.09% | -7.43% | -65.66% |
Max Drawdown (1Y)Largest decline over 1 year | -18.27% | -5.69% | -12.58% |
Max Drawdown (3Y)Largest decline over 3 years | -31.44% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -67.41% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -73.09% | — | — |
Current DrawdownCurrent decline from peak | -43.60% | -0.60% | -43.00% |
Average DrawdownAverage peak-to-trough decline | -32.09% | -0.84% | -31.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.63% | 1.41% | +5.22% |
Volatility
IPOS vs. BUFI - Volatility Comparison
Renaissance International IPO ETF (IPOS) has a higher volatility of 10.88% compared to AB International Buffer ETF (BUFI) at 3.43%. This indicates that IPOS's price experiences larger fluctuations and is considered to be riskier than BUFI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IPOS | BUFI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.88% | 3.43% | +7.45% |
Volatility (6M)Calculated over the trailing 6-month period | 31.55% | 7.96% | +23.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.20% | 9.04% | +25.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.15% | 9.28% | +18.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.60% | 9.28% | +15.32% |
IPOS vs. BUFI - Expense Ratio Comparison
IPOS has a 0.80% expense ratio, which is higher than BUFI's 0.69% expense ratio.
Dividends
IPOS vs. BUFI - Dividend Comparison
IPOS's dividend yield for the trailing twelve months is around 0.35%, while BUFI has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFI AB International Buffer ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IPOS Renaissance International IPO ETF | 0.35% | 1.04% | 0.93% | 0.33% | 0.00% | 0.00% | 0.25% | 0.89% | 1.12% | 0.87% | 1.73% | 1.08% |
Frequently Asked Questions
IPOS and BUFI have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IPOS has higher volatility (10.88%) compared to BUFI (3.43%). In terms of maximum drawdown, IPOS dropped -73.09% vs BUFI's -7.43%.
On 1-year performance, IPOS leads with 48.11% vs 14.79% for BUFI. On fees, BUFI is cheaper at 0.69% per year. On volatility, BUFI has been the lower-risk option at 3.43%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IPOS has performed better with a 48.11% return vs 14.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BUFI is cheaper with a 0.69% expense ratio, compared with 0.80% for IPOS.
IPOS has the higher dividend yield at 0.35%, compared with 0.00% for BUFI.
IPOS is categorized as Foreign Large Cap Equities, while BUFI is Defined Outcome. They also come from different issuers: Renaissance Capital and AllianceBernstein. Their fees differ too: 0.80% for IPOS and 0.69% for BUFI.
BUFI currently has the higher Sharpe Ratio (1.64 vs 1.39), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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