AB vs. XBI
AB (AllianceBernstein Holding L.P.) is a stock, while XBI (SPDR S&P Biotech ETF) is Health & Biotech Equities fund tracking the S&P Biotechnology Select Industry Index. Over the past 10 years, AB returned 14.13%/yr vs 8.53%/yr for XBI. At a 0.37 correlation, their price movements are largely independent.
Performance
AB vs. XBI - Performance Comparison
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Returns By Period
In the year-to-date period, AB achieves a 0.21% return, which is significantly lower than XBI's 6.48% return. Over the past 10 years, AB has outperformed XBI with an annualized return of 14.13%, while XBI has yielded a comparatively lower 8.53% annualized return.
AB
- 1D
- -0.43%
- 1M
- -4.48%
- YTD
- 0.21%
- 6M
- -5.97%
- 1Y
- -0.56%
- 3Y*
- 10.52%
- 5Y*
- 4.42%
- 10Y*
- 14.13%
XBI
- 1D
- 1.62%
- 1M
- -2.75%
- YTD
- 6.48%
- 6M
- 6.92%
- 1Y
- 58.25%
- 3Y*
- 14.73%
- 5Y*
- 0.59%
- 10Y*
- 8.53%
AB vs. XBI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AB AllianceBernstein Holding L.P. | 0.21% | 13.36% | 30.40% | -2.29% | -23.46% | 56.27% | 23.00% | 19.85% | 21.04% | 16.76% |
XBI SPDR S&P Biotech ETF | 6.48% | 35.89% | 1.01% | 7.60% | -25.87% | -20.45% | 48.33% | 32.56% | -15.28% | 43.77% |
Correlation
The correlation between AB and XBI is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.17 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.29 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.35 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Feb 7, 2006 | 0.37 |
The correlation between AB and XBI shifts across timeframes, from 0.17 (1 year) to 0.37 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
AB vs. XBI — Risk / Return Rank
AB
XBI
AB vs. XBI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AllianceBernstein Holding L.P. (AB) and SPDR S&P Biotech ETF (XBI). 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.
| AB | XBI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.32 | ||
| Sortino ratioReturn per unit of downside risk | -3.03 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.38 | -0.36 |
| Calmar ratioReturn relative to maximum drawdown | -0.04 | 6.02 | -6.06 |
| Martin ratioReturn relative to average drawdown | -0.08 | 18.30 | -18.38 |
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
| AB | XBI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.03 | 2.30 | -2.32 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.16 | 0.02 | +0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.27 | +0.17 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.46 | 0.36 | +0.10 |
Drawdowns
AB vs. XBI - Drawdown Comparison
The maximum AB drawdown since its inception was -87.65%, which is greater than XBI's maximum drawdown of -63.89%. Use the drawdown chart below to compare losses from any high point for AB and XBI.
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Drawdown Indicators
| AB | XBI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -87.65% | -63.89% | -23.76% |
Max Drawdown (1Y)Largest decline over 1 year | -14.68% | -9.72% | -4.96% |
Max Drawdown (3Y)Largest decline over 3 years | -22.27% | -32.99% | +10.72% |
Max Drawdown (5Y)Largest decline over 5 years | -45.76% | -54.71% | +8.95% |
Max Drawdown (10Y)Largest decline over 10 years | -58.08% | -63.89% | +5.81% |
Current DrawdownCurrent decline from peak | -9.90% | -24.96% | +15.06% |
Average DrawdownAverage peak-to-trough decline | -26.22% | -20.93% | -5.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.60% | 3.19% | +3.41% |
Volatility
AB vs. XBI - Volatility Comparison
The current volatility for AllianceBernstein Holding L.P. (AB) is 4.54%, while SPDR S&P Biotech ETF (XBI) has a volatility of 9.26%. This indicates that AB experiences smaller price fluctuations and is considered to be less risky than XBI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AB | XBI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.54% | 9.26% | -4.72% |
Volatility (6M)Calculated over the trailing 6-month period | 18.55% | 20.18% | -1.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.40% | 25.50% | -3.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.25% | 32.18% | -3.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.39% | 32.00% | +0.39% |
Dividends
AB vs. XBI - Dividend Comparison
AB's dividend yield for the trailing twelve months is around 9.25%, more than XBI's 0.34% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AB AllianceBernstein Holding L.P. | 9.25% | 9.02% | 8.03% | 8.44% | 10.30% | 7.33% | 8.26% | 7.67% | 10.54% | 8.50% | 7.46% | 8.09% |
XBI SPDR S&P Biotech ETF | 0.34% | 0.37% | 0.15% | 0.02% | 0.00% | 0.04% | 0.20% | 0.00% | 0.28% | 0.24% | 0.26% | 0.61% |
Frequently Asked Questions
AB and XBI have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
XBI has higher volatility (9.26%) compared to AB (4.54%). In terms of maximum drawdown, AB dropped -87.65% vs XBI's -63.89%.
XBI currently has the higher Sharpe Ratio (2.30 vs -0.03), 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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