SNIDX vs. ACGYX

Last updated Jun 4, 2026

SNIDX (AllianceBernstein Intermediate Duration Portfolio) and ACGYX (AB Income Fund) are both Intermediate Core-Plus Bond funds from AllianceBernstein. Over the past 10 years, SNIDX returned 1.67%/yr vs 2.23%/yr for ACGYX. Their correlation of 0.85 suggests significant overlap in exposure. SNIDX charges 0.56%/yr vs 0.54%/yr for ACGYX.

Performance

SNIDX vs. ACGYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AllianceBernstein Intermediate Duration Portfolio (SNIDX) and AB Income Fund (ACGYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SNIDX achieves a -0.01% return, which is significantly lower than ACGYX's 0.63% return. Over the past 10 years, SNIDX has underperformed ACGYX with an annualized return of 1.67%, while ACGYX has yielded a comparatively higher 2.23% annualized return.

SNIDX

• 1D: 0.09%
• 1M: 0.44%
• YTD: -0.01%
• 6M: 0.07%
• 1Y: 4.84%
• 3Y*: 3.28%
• 5Y*: -0.46%
• 10Y*: 1.67%

ACGYX

• 1D: 0.16%
• 1M: 0.57%
• YTD: 0.63%
• 6M: 0.71%
• 1Y: 5.83%
• 3Y*: 4.91%
• 5Y*: -0.05%
• 10Y*: 2.23%

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

SNIDX vs. ACGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SNIDX AllianceBernstein Intermediate Duration Portfolio	-0.01%	6.19%	1.26%	4.15%	-13.85%	-1.05%	7.16%	8.67%	2.28%	3.88%
ACGYX AB Income Fund	0.63%	7.86%	2.07%	6.16%	-15.45%	-1.30%	6.88%	11.25%	-1.21%	6.33%

Correlation

The correlation between SNIDX and ACGYX is 0.86, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Apr 22, 2016	0.85

The correlation between SNIDX and ACGYX has been stable across timeframes, ranging from 0.85 to 0.92 - a consistent structural relationship.

Return for Risk

SNIDX vs. ACGYX — Risk / Return Rank

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

SNIDX

SNIDX Risk / Return Rank: 17
SNIDX Sharpe Ratio Rank: 18
SNIDX Sortino Ratio Rank: 19
SNIDX Omega Ratio Rank: 17
SNIDX Calmar Ratio Rank: 17
SNIDX Martin Ratio Rank: 17

ACGYX

ACGYX Risk / Return Rank: 23
ACGYX Sharpe Ratio Rank: 23
ACGYX Sortino Ratio Rank: 23
ACGYX Omega Ratio Rank: 23
ACGYX Calmar Ratio Rank: 24
ACGYX Martin Ratio Rank: 23

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.

SNIDX vs. ACGYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AllianceBernstein Intermediate Duration Portfolio (SNIDX) 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.

	SNIDX	ACGYX	Difference
Sharpe ratio: Return per unit of total volatility	1.20	1.36	-0.16
Sortino ratio: Return per unit of downside risk	1.86	2.01	-0.15
Omega ratio: Gain probability vs. loss probability	1.21	1.25	-0.04
Calmar ratio: Return relative to maximum drawdown	1.44	1.79	-0.35
Martin ratio: Return relative to average drawdown	4.68	5.81	-1.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SNIDX vs. ACGYX - Sharpe Ratio Comparison

The current SNIDX Sharpe Ratio is 1.20, which is comparable to the ACGYX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of SNIDX and ACGYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SNIDX	ACGYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.20	1.36	-0.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.08	-0.01	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	0.41	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	1.11	0.42	+0.69

Drawdowns

SNIDX vs. ACGYX - Drawdown Comparison

The maximum SNIDX drawdown since its inception was -18.79%, smaller than the maximum ACGYX drawdown of -21.58%. Use the drawdown chart below to compare losses from any high point for SNIDX and ACGYX.

Drawdown Indicators

	SNIDX	ACGYX	Difference
Max Drawdown Largest peak-to-trough decline	-18.79%	-21.58%	+2.79%
Max Drawdown (1Y) Largest decline over 1 year	-3.37%	-3.36%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-6.54%	-6.70%	+0.16%
Max Drawdown (5Y) Largest decline over 5 years	-18.72%	-21.58%	+2.86%
Max Drawdown (10Y) Largest decline over 10 years	-18.79%	-21.58%	+2.79%
Current Drawdown Current decline from peak	-4.62%	-2.19%	-2.43%
Average Drawdown Average peak-to-trough decline	-2.24%	-5.41%	+3.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.04%	1.04%	0.00%

Volatility

SNIDX vs. ACGYX - Volatility Comparison

AllianceBernstein Intermediate Duration Portfolio (SNIDX) and AB Income Fund (ACGYX) have volatilities of 1.62% and 1.70%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SNIDX	ACGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.62%	1.70%	-0.08%
Volatility (6M) Calculated over the trailing 6-month period	2.86%	3.32%	-0.46%
Volatility (1Y) Calculated over the trailing 1-year period	4.06%	4.44%	-0.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.85%	6.50%	-0.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.86%	5.47%	-0.61%

SNIDX vs. ACGYX - Expense Ratio Comparison

SNIDX has a 0.56% expense ratio, which is higher than ACGYX's 0.54% expense ratio.

Dividends

SNIDX vs. ACGYX - Dividend Comparison

SNIDX's dividend yield for the trailing twelve months is around 4.23%, less than ACGYX's 4.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACGYX AB Income Fund	4.92%	5.02%	5.38%	4.04%	3.99%	2.95%	3.80%	4.50%	4.54%	5.84%	3.23%	0.00%
SNIDX AllianceBernstein Intermediate Duration Portfolio	4.23%	3.30%	4.32%	2.53%	2.04%	2.72%	4.27%	3.01%	5.37%	2.58%	3.90%	4.34%

Frequently Asked Questions

Can I hold both SNIDX and ACGYX in my portfolio?

SNIDX and ACGYX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SNIDX or ACGYX?

ACGYX has higher volatility (1.70%) compared to SNIDX (1.62%). In terms of maximum drawdown, SNIDX dropped -18.79% vs ACGYX's -21.58%.

Which has better risk-adjusted returns?

ACGYX currently has the higher Sharpe Ratio (1.36 vs 1.20), 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.