ATOIX vs. WNTFX

Last updated Jun 4, 2026

ATOIX (abrdn Ultra Short Municipal Income Fund) and WNTFX (Weitz Nebraska Tax-Free Income Fund) are both Municipal Bonds funds. At a 0.09 correlation, their price movements are largely independent. ATOIX charges 0.44%/yr vs 0.45%/yr for WNTFX.

Performance

ATOIX vs. WNTFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in abrdn Ultra Short Municipal Income Fund (ATOIX) and Weitz Nebraska Tax-Free Income Fund (WNTFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ATOIX

• 1D: 0.00%
• 1M: 0.20%
• YTD: 1.01%
• 6M: 1.54%
• 1Y: 3.02%
• 3Y*: 3.08%
• 5Y*: 2.30%
• 10Y*: 1.79%

WNTFX

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

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

ATOIX vs. WNTFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATOIX abrdn Ultra Short Municipal Income Fund	1.01%	3.33%	3.14%	3.27%	0.87%	-0.04%	0.88%	1.40%	1.54%	2.24%
WNTFX Weitz Nebraska Tax-Free Income Fund	0.67%	4.56%	1.19%	3.79%	-4.84%	0.35%	3.64%	4.05%	0.67%	1.61%

Correlation

The correlation between ATOIX and WNTFX is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (10Y) Calculated over the trailing 10-year period	0.12
Correlation (All Time) Calculated using the full available price history since Jan 4, 2007	0.09

Return for Risk

ATOIX vs. WNTFX — Risk / Return Rank

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

ATOIX

ATOIX Risk / Return Rank: 99
ATOIX Sharpe Ratio Rank: 96
ATOIX Sortino Ratio Rank: 100
ATOIX Omega Ratio Rank: 100
ATOIX Calmar Ratio Rank: 100
ATOIX Martin Ratio Rank: 100

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.

ATOIX vs. WNTFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for abrdn Ultra Short Municipal Income Fund (ATOIX) and Weitz Nebraska Tax-Free Income Fund (WNTFX). 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.

	ATOIX	WNTFX	Difference
Sharpe ratio: Return per unit of total volatility	3.50	—	—
Sortino ratio: Return per unit of downside risk	17.32	—	—
Omega ratio: Gain probability vs. loss probability	10.98	—	—
Calmar ratio: Return relative to maximum drawdown	30.48	—	—
Martin ratio: Return relative to average drawdown	89.66	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	ATOIX	WNTFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.50	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.80	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	2.28	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.47	—	—

Drawdowns

Drawdown Indicators

	ATOIX	WNTFX	Difference
Max Drawdown Largest peak-to-trough decline	-1.46%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-0.10%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-0.10%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-0.37%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-0.43%	—	—
Current Drawdown Current decline from peak	0.00%	—	—
Average Drawdown Average peak-to-trough decline	-0.06%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	0.03%	—	—

Volatility

Volatility by Period

	ATOIX	WNTFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.20%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.61%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.87%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.83%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.79%	—	—

ATOIX vs. WNTFX - Expense Ratio Comparison

ATOIX has a 0.44% expense ratio, which is lower than WNTFX's 0.45% expense ratio.

Dividends

ATOIX vs. WNTFX - Dividend Comparison

ATOIX's dividend yield for the trailing twelve months is around 2.98%, more than WNTFX's 2.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATOIX abrdn Ultra Short Municipal Income Fund	2.98%	3.27%	3.09%	3.02%	1.07%	0.06%	0.88%	1.39%	1.42%	2.20%	0.61%	0.52%
WNTFX Weitz Nebraska Tax-Free Income Fund	2.55%	2.27%	2.03%	2.02%	1.97%	1.14%	1.60%	1.24%	1.48%	1.41%	1.72%	1.95%

Frequently Asked Questions

Can I hold both ATOIX and WNTFX in my portfolio?

ATOIX and WNTFX have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.