ABTYX vs. NMHIX

Last updated Jun 26, 2026

ABTYX (AB High Income Municipal Portfolio) and NMHIX (Neuberger Berman Municipal High Income Fund) are both High Yield Muni funds. Their correlation of 0.86 suggests significant overlap in exposure. ABTYX charges 0.53%/yr vs 0.52%/yr for NMHIX.

Performance

ABTYX vs. NMHIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB High Income Municipal Portfolio (ABTYX) and Neuberger Berman Municipal High Income Fund (NMHIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ABTYX

• 1D: 0.19%
• 1M: 1.84%
• YTD: 2.62%
• 6M: 3.22%
• 1Y: 8.89%
• 3Y*: 5.29%
• 5Y*: 0.67%
• 10Y*: 2.79%

NMHIX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ABTYX vs. NMHIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ABTYX AB High Income Municipal Portfolio	2.62%	5.88%	4.64%	5.49%	-15.49%	5.73%	5.08%	11.31%	1.02%	10.22%
NMHIX Neuberger Berman Municipal High Income Fund	0.48%	3.56%	6.27%	4.34%	-14.26%	4.90%	4.04%	8.28%	2.19%	8.75%

Correlation

The correlation between ABTYX and NMHIX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.86

The correlation between ABTYX and NMHIX shifts across timeframes, from 0.79 (1 year) to 0.89 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

ABTYX vs. NMHIX — Risk / Return Rank

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

ABTYX

ABTYX Risk / Return Rank: 69
ABTYX Sharpe Ratio Rank: 82
ABTYX Sortino Ratio Rank: 86
ABTYX Omega Ratio Rank: 86
ABTYX Calmar Ratio Rank: 49
ABTYX Martin Ratio Rank: 43

NMHIX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

ABTYX vs. NMHIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB High Income Municipal Portfolio (ABTYX) and Neuberger Berman Municipal High Income Fund (NMHIX). 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.

	ABTYX	NMHIX	Difference
Sharpe ratio: Return per unit of total volatility	2.31	—	—
Sortino ratio: Return per unit of downside risk	3.55	—	—
Omega ratio: Gain probability vs. loss probability	1.51	—	—
Calmar ratio: Return relative to maximum drawdown	2.34	—	—
Martin ratio: Return relative to average drawdown	7.86	—	—

Drawdowns

Drawdown Indicators

	ABTYX	NMHIX	Difference
Max Drawdown Largest peak-to-trough decline	-21.44%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-3.82%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-9.25%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-21.44%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-21.44%	—	—
Current Drawdown Current decline from peak	-0.04%	—	—
Average Drawdown Average peak-to-trough decline	-3.95%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	1.13%	—	—

Volatility

Volatility by Period

	ABTYX	NMHIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.02%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.90%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.87%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.07%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.62%	—	—

ABTYX vs. NMHIX - Expense Ratio Comparison

ABTYX has a 0.53% expense ratio, which is higher than NMHIX's 0.52% expense ratio.

Dividends

ABTYX vs. NMHIX - Dividend Comparison

ABTYX's dividend yield for the trailing twelve months is around 4.59%, more than NMHIX's 4.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ABTYX AB High Income Municipal Portfolio	4.59%	5.93%	4.15%	3.10%	3.91%	2.59%	3.70%	4.27%	4.60%	4.20%	4.48%	4.69%
NMHIX Neuberger Berman Municipal High Income Fund	4.16%	3.98%	3.81%	3.11%	2.43%	2.74%	2.90%	3.36%	3.64%	3.44%	4.42%	0.00%

Frequently Asked Questions

Can I hold both ABTYX and NMHIX in my portfolio?

ABTYX and NMHIX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.