ACGYX vs. TIBDX
ACGYX (AB Income Fund) and TIBDX (TIAA-CREF Core Bond Fund) are both Intermediate Core-Plus Bond funds. Over the past 10 years, ACGYX returned 1.84%/yr vs 1.69%/yr for TIBDX. Their correlation of 0.89 means they have usually moved in the same direction. ACGYX charges 0.54%/yr vs 0.29%/yr for TIBDX.
Performance
ACGYX vs. TIBDX - Performance Comparison
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Returns By Period
In the year-to-date period, ACGYX achieves a -0.55% return, which is significantly lower than TIBDX's -0.27% return. Over the past 10 years, ACGYX has outperformed TIBDX with an annualized return of 1.84%, while TIBDX has yielded a comparatively lower 1.69% annualized return.
ACGYX
- 1D
- 0.16%
- 1M
- -1.48%
- 6M
- -0.55%
- YTD
- -0.55%
- 1Y
- 3.51%
- 3Y*
- 4.46%
- 5Y*
- -0.54%
- 10Y*
- 1.84%
- ALL TIME*
- 2.13%
TIBDX
- 1D
- 0.11%
- 1M
- -1.26%
- 6M
- -0.37%
- YTD
- -0.27%
- 1Y
- 3.96%
- 3Y*
- 4.04%
- 5Y*
- -0.26%
- 10Y*
- 1.69%
- ALL TIME*
- 3.93%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
ACGYX AB Income Fund | $0.00 | $0.00 | $0.00 |
| $0.00 | $0.00 | $0.00 |
ACGYX vs. TIBDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACGYX AB Income Fund | -0.55% | 7.86% | 2.07% | 6.16% | -15.45% | -1.30% | 6.88% | 11.25% | -1.21% | 6.33% |
TIBDX TIAA-CREF Core Bond Fund | -0.27% | 7.38% | 1.95% | 5.63% | -13.68% | -0.95% | 8.10% | 9.57% | -0.64% | 4.48% |
Correlation
The correlation between ACGYX and TIBDX is 0.90, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.90 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.95 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.89 |
Correlation (All Time) Calculated using the full available price history since Apr 21, 2016 | 0.89 |
The correlation between ACGYX and TIBDX has been stable across timeframes, ranging from 0.89 to 0.95 - a consistent structural relationship.
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Return for Risk
ACGYX vs. TIBDX — Risk / Return Rank
ACGYX
TIBDX
ACGYX vs. TIBDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB Income Fund (ACGYX) and TIAA-CREF Core Bond Fund (TIBDX). 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.
| ACGYX | TIBDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.22 | ||
| Sortino ratioReturn per unit of downside risk | -0.33 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.18 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.00 | 1.26 | -0.26 |
| Martin ratioReturn relative to average drawdown | 2.80 | 3.43 | -0.63 |
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Drawdowns
ACGYX vs. TIBDX - Drawdown Comparison
The maximum ACGYX drawdown since its inception was -21.58%, which is greater than TIBDX's maximum drawdown of -18.82%. Use the drawdown chart below to compare losses from any high point for ACGYX and TIBDX.
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Drawdown Indicators
| ACGYX | TIBDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.58% | -18.82% | -2.76% |
Max Drawdown (1Y)Largest decline over 1 year | -3.36% | -2.98% | -0.38% |
Max Drawdown (3Y)Largest decline over 3 years | -6.26% | -5.87% | -0.39% |
Max Drawdown (5Y)Largest decline over 5 years | -21.58% | -18.82% | -2.76% |
Max Drawdown (10Y)Largest decline over 10 years | -21.58% | -18.82% | -2.76% |
Current DrawdownCurrent decline from peak | -3.33% | -2.14% | -1.19% |
Average DrawdownAverage peak-to-trough decline | -5.36% | -2.30% | -3.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.20% | 1.09% | +0.11% |
Volatility
ACGYX vs. TIBDX - Volatility Comparison
AB Income Fund (ACGYX) has a higher volatility of 1.03% compared to TIAA-CREF Core Bond Fund (TIBDX) at 0.80%. This indicates that ACGYX's price experiences larger fluctuations and is considered to be riskier than TIBDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACGYX | TIBDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.03% | 0.80% | +0.23% |
Volatility (6M)Calculated over the trailing 6-month period | 3.51% | 2.98% | +0.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.37% | 3.80% | +0.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.52% | 5.64% | +0.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.48% | 4.74% | +0.74% |
ACGYX vs. TIBDX - Expense Ratio Comparison
ACGYX has a 0.54% expense ratio, which is higher than TIBDX's 0.29% expense ratio.
Dividends
ACGYX vs. TIBDX - Dividend Comparison
ACGYX's dividend yield for the trailing twelve months is around 4.99%, more than TIBDX's 4.52% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACGYX AB Income Fund | 4.99% | 5.02% | 5.38% | 4.04% | 3.99% | 2.95% | 3.80% | 4.50% | 4.54% | 5.84% | 3.23% | 0.00% |
TIBDX TIAA-CREF Core Bond Fund | 4.52% | 4.34% | 3.60% | 3.22% | 2.44% | 2.39% | 4.45% | 3.09% | 2.88% | 2.93% | 3.80% | 4.68% |
Frequently Asked Questions
With a correlation of 0.90, ACGYX and TIBDX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
ACGYX has higher volatility (1.03%) compared to TIBDX (0.80%). In terms of maximum drawdown, ACGYX dropped -21.58% vs TIBDX's -18.82%.
TIBDX currently has the higher Sharpe Ratio (0.99 vs 0.77), 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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