ACISX vs. MISHX

Last updated Jun 4, 2026

ACISX (AB Corporate Income Shares) and MISHX (AB Municipal Income Shares) are both mutual funds - ACISX is a Corporate Bonds fund managed by AllianceBernstein, while MISHX is a High Yield Muni fund managed by AllianceBernstein. Over the past 10 years, ACISX returned 3.04%/yr vs 3.68%/yr for MISHX. A 0.54 correlation means they provide meaningful diversification when combined. Both charge a 0.00% expense ratio.

Performance

ACISX vs. MISHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Corporate Income Shares (ACISX) and AB Municipal Income Shares (MISHX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ACISX achieves a 0.98% return, which is significantly lower than MISHX's 2.13% return. Over the past 10 years, ACISX has underperformed MISHX with an annualized return of 3.04%, while MISHX has yielded a comparatively higher 3.68% annualized return.

ACISX

• 1D: 0.00%
• 1M: 0.94%
• YTD: 0.98%
• 6M: 0.91%
• 1Y: 6.89%
• 3Y*: 5.97%
• 5Y*: 0.77%
• 10Y*: 3.04%

MISHX

• 1D: 0.27%
• 1M: 0.96%
• YTD: 2.13%
• 6M: 2.54%
• 1Y: 8.27%
• 3Y*: 5.91%
• 5Y*: 1.63%
• 10Y*: 3.68%

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

ACISX vs. MISHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACISX AB Corporate Income Shares	0.98%	8.44%	3.04%	7.65%	-16.27%	-1.23%	11.27%	16.95%	-2.81%	6.19%
MISHX AB Municipal Income Shares	2.13%	6.41%	5.29%	6.24%	-12.77%	6.81%	6.22%	11.52%	0.80%	9.59%

Correlation

The correlation between ACISX and MISHX is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Aug 8, 2012	0.54

The correlation between ACISX and MISHX shifts across timeframes, from 0.54 (all time) to 0.76 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

ACISX vs. MISHX — Risk / Return Rank

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

ACISX

ACISX Risk / Return Rank: 33
ACISX Sharpe Ratio Rank: 32
ACISX Sortino Ratio Rank: 34
ACISX Omega Ratio Rank: 32
ACISX Calmar Ratio Rank: 33
ACISX Martin Ratio Rank: 32

MISHX

MISHX Risk / Return Rank: 69
MISHX Sharpe Ratio Rank: 76
MISHX Sortino Ratio Rank: 87
MISHX Omega Ratio Rank: 89
MISHX Calmar Ratio Rank: 50
MISHX Martin Ratio Rank: 46

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.

ACISX vs. MISHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Corporate Income Shares (ACISX) and AB Municipal Income Shares (MISHX). 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.

	ACISX	MISHX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	2.52	-0.88
Sortino ratio: Return per unit of downside risk	2.45	4.11	-1.67
Omega ratio: Gain probability vs. loss probability	1.30	1.64	-0.34
Calmar ratio: Return relative to maximum drawdown	2.15	2.69	-0.53
Martin ratio: Return relative to average drawdown	7.17	9.57	-2.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ACISX vs. MISHX - Sharpe Ratio Comparison

The current ACISX Sharpe Ratio is 1.64, which is lower than the MISHX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of ACISX and MISHX, 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

	ACISX	MISHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.64	2.52	-0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.12	0.33	-0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.71	-0.20
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.93	-0.35

Drawdowns

ACISX vs. MISHX - Drawdown Comparison

The maximum ACISX drawdown since its inception was -22.65%, which is greater than MISHX's maximum drawdown of -19.03%. Use the drawdown chart below to compare losses from any high point for ACISX and MISHX.

Drawdown Indicators

	ACISX	MISHX	Difference
Max Drawdown Largest peak-to-trough decline	-22.65%	-19.03%	-3.62%
Max Drawdown (1Y) Largest decline over 1 year	-3.26%	-3.09%	-0.17%
Max Drawdown (3Y) Largest decline over 3 years	-6.56%	-7.89%	+1.33%
Max Drawdown (5Y) Largest decline over 5 years	-22.65%	-18.20%	-4.45%
Max Drawdown (10Y) Largest decline over 10 years	-22.65%	-19.03%	-3.62%
Current Drawdown Current decline from peak	-0.81%	-0.12%	-0.69%
Average Drawdown Average peak-to-trough decline	-4.46%	-3.41%	-1.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.87%	+0.11%

Volatility

ACISX vs. MISHX - Volatility Comparison

AB Corporate Income Shares (ACISX) has a higher volatility of 1.50% compared to AB Municipal Income Shares (MISHX) at 1.34%. This indicates that ACISX's price experiences larger fluctuations and is considered to be riskier than MISHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ACISX	MISHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.50%	1.34%	+0.16%
Volatility (6M) Calculated over the trailing 6-month period	3.16%	2.48%	+0.68%
Volatility (1Y) Calculated over the trailing 1-year period	4.30%	3.32%	+0.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.49%	5.00%	+1.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.00%	5.19%	+0.81%

ACISX vs. MISHX - Expense Ratio Comparison

ACISX has a 0.00% expense ratio, which is lower than MISHX's 0.00% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

ACISX vs. MISHX - Dividend Comparison

ACISX's dividend yield for the trailing twelve months is around 5.06%, more than MISHX's 4.81% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACISX AB Corporate Income Shares	5.06%	5.10%	4.97%	3.66%	3.48%	3.44%	5.62%	4.77%	3.99%	3.28%	3.54%	3.63%
MISHX AB Municipal Income Shares	4.81%	6.23%	4.80%	3.23%	3.75%	2.77%	3.56%	3.98%	3.77%	3.78%	4.25%	4.38%

Frequently Asked Questions

Can I hold both ACISX and MISHX in my portfolio?

ACISX and MISHX have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACISX or MISHX?

ACISX has higher volatility (1.50%) compared to MISHX (1.34%). In terms of maximum drawdown, ACISX dropped -22.65% vs MISHX's -19.03%.

Which has better risk-adjusted returns?

MISHX currently has the higher Sharpe Ratio (2.52 vs 1.64), 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.