MCFIX vs. ACGYX

Last updated Apr 2, 2026

Compare and contrast key facts about Mercer Core Fixed Income Fund (MCFIX) and AB Income Fund (ACGYX).

MCFIX is managed by Mercer Funds. It was launched on Aug 15, 2005. ACGYX is managed by AllianceBernstein. It was launched on Aug 28, 1987.

Performance

MCFIX vs. ACGYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mercer Core Fixed Income Fund (MCFIX) and AB Income Fund (ACGYX). The values are adjusted to include any dividend payments, if applicable.

MCFIX vs. ACGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
MCFIX Mercer Core Fixed Income Fund	-0.88%	6.64%	2.02%	6.47%	-13.69%	-1.05%	4.75%	3.31%
ACGYX AB Income Fund	-0.77%	7.86%	2.07%	6.16%	-15.45%	-1.30%	6.88%	7.09%

Returns By Period

In the year-to-date period, MCFIX achieves a -0.88% return, which is significantly lower than ACGYX's -0.77% return.

MCFIX

• 1D: 0.23%
• 1M: -1.88%
• YTD: -0.88%
• 6M: -0.58%
• 1Y: 2.54%
• 3Y*: 3.62%
• 5Y*: 0.17%
• 10Y*: —

ACGYX

• 1D: 0.31%
• 1M: -2.15%
• YTD: -0.77%
• 6M: 0.12%
• 1Y: 3.53%
• 3Y*: 4.15%
• 5Y*: -0.03%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

MCFIX vs. ACGYX - Expense Ratio Comparison

MCFIX has a 0.16% expense ratio, which is lower than ACGYX's 0.54% expense ratio.

ACGYX

AB Income Fund

MCFIX

Mercer Core Fixed Income Fund

Return for Risk

MCFIX vs. ACGYX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MCFIX

MCFIX Risk / Return Rank: 34
MCFIX Sharpe Ratio Rank: 23
MCFIX Sortino Ratio Rank: 21
MCFIX Omega Ratio Rank: 17
MCFIX Calmar Ratio Rank: 66
MCFIX Martin Ratio Rank: 43

ACGYX

ACGYX Risk / Return Rank: 34
ACGYX Sharpe Ratio Rank: 34
ACGYX Sortino Ratio Rank: 30
ACGYX Omega Ratio Rank: 24
ACGYX Calmar Ratio Rank: 47
ACGYX Martin Ratio Rank: 36

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MCFIX vs. ACGYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mercer Core Fixed Income Fund (MCFIX) and AB Income Fund (ACGYX). 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.

	MCFIX	ACGYX	Difference
Sharpe ratio Return per unit of total volatility	0.70	0.82	-0.13
Sortino ratio Return per unit of downside risk	1.01	1.16	-0.15
Omega ratio Gain probability vs. loss probability	1.13	1.15	-0.02
Calmar ratio Return relative to maximum drawdown	1.73	1.28	+0.46
Martin ratio Return relative to average drawdown	5.00	4.08	+0.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MCFIX vs. ACGYX - Sharpe Ratio Comparison

The current MCFIX Sharpe Ratio is 0.70, which is comparable to the ACGYX Sharpe Ratio of 0.82. The chart below compares the historical Sharpe Ratios of MCFIX and ACGYX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MCFIX	ACGYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.70	0.82	-0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.03	-0.00	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	0.40	-0.25

Correlation

The correlation between MCFIX and ACGYX is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MCFIX vs. ACGYX - Dividend Comparison

MCFIX's dividend yield for the trailing twelve months is around 4.30%, less than ACGYX's 4.60% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
MCFIX Mercer Core Fixed Income Fund	4.30%	3.89%	4.54%	3.68%	3.31%	2.45%	0.00%	0.00%	0.00%	0.00%	0.00%
ACGYX AB Income Fund	4.60%	5.02%	5.38%	4.04%	3.99%	2.95%	3.80%	4.50%	4.54%	5.84%	3.23%

Drawdowns

MCFIX vs. ACGYX - Drawdown Comparison

The maximum MCFIX drawdown since its inception was -21.68%, roughly equal to the maximum ACGYX drawdown of -21.58%. Use the drawdown chart below to compare losses from any high point for MCFIX and ACGYX.

Drawdown Indicators

	MCFIX	ACGYX	Difference
Max Drawdown Largest peak-to-trough decline	-21.68%	-21.58%	-0.10%
Max Drawdown (1Y) Largest decline over 1 year	-3.09%	-3.36%	+0.27%
Max Drawdown (5Y) Largest decline over 5 years	-18.72%	-21.58%	+2.86%
Current Drawdown Current decline from peak	-5.87%	-3.54%	-2.33%
Average Drawdown Average peak-to-trough decline	-8.61%	-5.45%	-3.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.07%	1.05%	+0.02%

Volatility

MCFIX vs. ACGYX - Volatility Comparison

The current volatility for Mercer Core Fixed Income Fund (MCFIX) is 1.54%, while AB Income Fund (ACGYX) has a volatility of 1.70%. This indicates that MCFIX experiences smaller price fluctuations and is considered to be less risky than ACGYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MCFIX	ACGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.54%	1.70%	-0.16%
Volatility (6M) Calculated over the trailing 6-month period	2.68%	2.78%	-0.10%
Volatility (1Y) Calculated over the trailing 1-year period	4.81%	4.71%	+0.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.01%	6.45%	-0.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.16%	5.44%	+0.72%