MINN vs. ZTAX

Last updated Apr 1, 2026

Compare and contrast key facts about Mairs & Power Minnesota Municipal Bond ETF (MINN) and X-Square Municipal Income Tax Free ETF (ZTAX).

MINN and ZTAX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MINN is an actively managed fund by Mairs & Power. It was launched on Mar 11, 2021. ZTAX is an actively managed fund by X-Square. It was launched on May 18, 2023.

Performance

MINN vs. ZTAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mairs & Power Minnesota Municipal Bond ETF (MINN) and X-Square Municipal Income Tax Free ETF (ZTAX). The values are adjusted to include any dividend payments, if applicable.

MINN vs. ZTAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MINN Mairs & Power Minnesota Municipal Bond ETF	-1.20%	5.61%	0.21%	4.67%
ZTAX X-Square Municipal Income Tax Free ETF	0.90%	-1.02%	7.98%	9.14%

Returns By Period

In the year-to-date period, MINN achieves a -1.20% return, which is significantly lower than ZTAX's 0.90% return.

MINN

• 1D: 0.18%
• 1M: -2.27%
• YTD: -1.20%
• 6M: 0.91%
• 1Y: 3.98%
• 3Y*: 2.44%
• 5Y*: -0.46%
• 10Y*: —

ZTAX

• 1D: -2.16%
• 1M: 1.00%
• YTD: 0.90%
• 6M: 4.68%
• 1Y: 5.44%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MINN vs. ZTAX - Expense Ratio Comparison

MINN has a 0.25% expense ratio, which is lower than ZTAX's 1.14% expense ratio.

ZTAX

X-Square Municipal Income Tax Free ETF

MINN

Mairs & Power Minnesota Municipal Bond ETF

Return for Risk

MINN vs. ZTAX — Risk / Return Rank

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

MINN

MINN Risk / Return Rank: 38
MINN Sharpe Ratio Rank: 35
MINN Sortino Ratio Rank: 34
MINN Omega Ratio Rank: 33
MINN Calmar Ratio Rank: 46
MINN Martin Ratio Rank: 41

ZTAX

ZTAX Risk / Return Rank: 19
ZTAX Sharpe Ratio Rank: 17
ZTAX Sortino Ratio Rank: 18
ZTAX Omega Ratio Rank: 21
ZTAX Calmar Ratio Rank: 21
ZTAX Martin Ratio Rank: 20

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.

MINN vs. ZTAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mairs & Power Minnesota Municipal Bond ETF (MINN) and X-Square Municipal Income Tax Free ETF (ZTAX). 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.

	MINN	ZTAX	Difference
Sharpe ratio Return per unit of total volatility	0.67	0.21	+0.46
Sortino ratio Return per unit of downside risk	1.00	0.49	+0.52
Omega ratio Gain probability vs. loss probability	1.14	1.08	+0.06
Calmar ratio Return relative to maximum drawdown	1.22	0.43	+0.79
Martin ratio Return relative to average drawdown	3.94	1.15	+2.78
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MINN vs. ZTAX - Sharpe Ratio Comparison

The current MINN Sharpe Ratio is 0.67, which is higher than the ZTAX Sharpe Ratio of 0.21. The chart below compares the historical Sharpe Ratios of MINN and ZTAX, 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

	MINN	ZTAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.67	0.21	+0.46
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.09	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.08	0.22	-0.30

Correlation

The correlation between MINN and ZTAX is 0.00, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

MINN vs. ZTAX - Dividend Comparison

MINN's dividend yield for the trailing twelve months is around 3.05%, less than ZTAX's 4.52% yield.

	TTM	2025	2024	2023	2022	2021
MINN Mairs & Power Minnesota Municipal Bond ETF	3.05%	2.94%	2.65%	1.80%	1.34%	0.64%
ZTAX X-Square Municipal Income Tax Free ETF	4.52%	4.58%	4.55%	2.14%	0.00%	0.00%

Drawdowns

MINN vs. ZTAX - Drawdown Comparison

The maximum MINN drawdown since its inception was -18.37%, which is greater than ZTAX's maximum drawdown of -15.33%. Use the drawdown chart below to compare losses from any high point for MINN and ZTAX.

Drawdown Indicators

	MINN	ZTAX	Difference
Max Drawdown Largest peak-to-trough decline	-18.37%	-15.33%	-3.04%
Max Drawdown (1Y) Largest decline over 1 year	-3.60%	-10.47%	+6.87%
Max Drawdown (5Y) Largest decline over 5 years	-18.37%	—	—
Current Drawdown Current decline from peak	-4.11%	-5.92%	+1.81%
Average Drawdown Average peak-to-trough decline	-7.95%	-6.88%	-1.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.12%	3.91%	-2.79%

Volatility

MINN vs. ZTAX - Volatility Comparison

The current volatility for Mairs & Power Minnesota Municipal Bond ETF (MINN) is 1.14%, while X-Square Municipal Income Tax Free ETF (ZTAX) has a volatility of 9.50%. This indicates that MINN experiences smaller price fluctuations and is considered to be less risky than ZTAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MINN	ZTAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.14%	9.50%	-8.36%
Volatility (6M) Calculated over the trailing 6-month period	3.19%	24.09%	-20.90%
Volatility (1Y) Calculated over the trailing 1-year period	6.00%	25.95%	-19.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.06%	27.27%	-22.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.04%	27.27%	-22.23%