BUFI vs. OCTB
BUFI (AB International Buffer ETF) and OCTB (Aptus October Buffer ETF) are both Defined Outcome funds. Both are actively managed. A 0.79 correlation means they provide meaningful diversification when combined. BUFI charges 0.69%/yr vs 0.25%/yr for OCTB.
Performance
BUFI vs. OCTB - Performance Comparison
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Returns By Period
In the year-to-date period, BUFI achieves a 4.92% return, which is significantly lower than OCTB's 6.18% return.
BUFI
- 1D
- -0.31%
- 1M
- 1.83%
- YTD
- 4.92%
- 6M
- 6.32%
- 1Y
- 12.80%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
OCTB
- 1D
- -0.17%
- 1M
- 2.41%
- YTD
- 6.18%
- 6M
- 6.75%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
BUFI vs. OCTB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BUFI AB International Buffer ETF | 4.92% | 2.94% |
OCTB Aptus October Buffer ETF | 6.18% | 2.37% |
Correlation
The correlation between BUFI and OCTB is 0.79, 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 Oct 15, 2025 | 0.79 |
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Return for Risk
BUFI vs. OCTB — Risk / Return Rank
BUFI
OCTB
BUFI vs. OCTB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB International Buffer ETF (BUFI) and Aptus October Buffer ETF (OCTB). 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 | OCTB | 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 | OCTB | 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 | 1.97 | -0.47 |
Drawdowns
BUFI vs. OCTB - Drawdown Comparison
The maximum BUFI drawdown since its inception was -7.43%, which is greater than OCTB's maximum drawdown of -4.79%. Use the drawdown chart below to compare losses from any high point for BUFI and OCTB.
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Drawdown Indicators
| BUFI | OCTB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.43% | -4.79% | -2.64% |
Max Drawdown (1Y)Largest decline over 1 year | -5.69% | — | — |
Current DrawdownCurrent decline from peak | -0.32% | -0.17% | -0.15% |
Average DrawdownAverage peak-to-trough decline | -0.86% | -0.70% | -0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.43% | — | — |
Volatility
BUFI vs. OCTB - Volatility Comparison
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Volatility by Period
| BUFI | OCTB | 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% | 7.20% | +1.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.15% | 7.20% | +1.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.15% | 7.20% | +1.95% |
BUFI vs. OCTB - Expense Ratio Comparison
BUFI has a 0.69% expense ratio, which is higher than OCTB's 0.25% expense ratio.
Dividends
BUFI vs. OCTB - Dividend Comparison
Neither BUFI nor OCTB has paid dividends to shareholders.
Frequently Asked Questions
BUFI and OCTB have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, OCTB is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.
OCTB is cheaper with a 0.25% expense ratio, compared with 0.69% for BUFI.
BUFI and OCTB have nearly identical dividend yields, around 0.00%.
They also come from different issuers: AllianceBernstein and Aptus Capital Advisors. Their fees differ too: 0.69% for BUFI and 0.25% for OCTB.
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