INTM vs. ZMUN

Last updated Jun 5, 2026

INTM (Invesco Intermediate Municipal ETF) and ZMUN (F/m Ultrashort Tax-Free Municipal ETF) are both Municipal Bonds funds. INTM is actively managed, while ZMUN is passively managed. At a 0.12 correlation, their price movements are largely independent. INTM charges 0.35%/yr vs 0.30%/yr for ZMUN.

Performance

INTM vs. ZMUN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Intermediate Municipal ETF (INTM) and F/m Ultrashort Tax-Free Municipal ETF (ZMUN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, INTM achieves a 1.82% return, which is significantly higher than ZMUN's 1.61% return.

INTM

• 1D: 0.08%
• 1M: 0.72%
• YTD: 1.82%
• 6M: 2.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZMUN

• 1D: 0.04%
• 1M: 0.31%
• YTD: 1.61%
• 6M: 1.88%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

INTM vs. ZMUN - Yearly Performance Comparison

	2026 (YTD)	2025
INTM Invesco Intermediate Municipal ETF	1.82%	2.54%
ZMUN F/m Ultrashort Tax-Free Municipal ETF	1.61%	0.73%

Correlation

The correlation between INTM and ZMUN is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 1, 2025	0.12

Return for Risk

INTM vs. ZMUN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Intermediate Municipal ETF (INTM) and F/m Ultrashort Tax-Free Municipal ETF (ZMUN). 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.

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

Sharpe Ratios by Period

	INTM	ZMUN	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	3.05	6.54	-3.49

Drawdowns

INTM vs. ZMUN - Drawdown Comparison

The maximum INTM drawdown since its inception was -2.65%, which is greater than ZMUN's maximum drawdown of -0.09%. Use the drawdown chart below to compare losses from any high point for INTM and ZMUN.

Drawdown Indicators

	INTM	ZMUN	Difference
Max Drawdown Largest peak-to-trough decline	-2.65%	-0.09%	-2.56%
Current Drawdown Current decline from peak	-0.54%	0.00%	-0.54%
Average Drawdown Average peak-to-trough decline	-0.48%	-0.01%	-0.47%

Volatility

Volatility by Period

	INTM	ZMUN	Difference
Volatility (1Y) Calculated over the trailing 1-year period	2.53%	0.54%	+1.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.53%	0.54%	+1.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.53%	0.54%	+1.99%

INTM vs. ZMUN - Expense Ratio Comparison

INTM has a 0.35% expense ratio, which is higher than ZMUN's 0.30% expense ratio.

Dividends

INTM vs. ZMUN - Dividend Comparison

INTM's dividend yield for the trailing twelve months is around 2.62%, more than ZMUN's 2.28% yield.

Position	TTM	2025
INTM Invesco Intermediate Municipal ETF	2.62%	1.15%
ZMUN F/m Ultrashort Tax-Free Municipal ETF	2.28%	0.70%

Frequently Asked Questions

Can I hold both INTM and ZMUN in my portfolio?

INTM and ZMUN have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, INTM or ZMUN?

On fees, ZMUN is cheaper at 0.30% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, INTM or ZMUN?

ZMUN is cheaper with a 0.30% expense ratio, compared with 0.35% for INTM.

Which ETF pays a higher dividend yield, INTM or ZMUN?

INTM has the higher dividend yield at 2.62%, compared with 2.28% for ZMUN.

What is the main difference between INTM and ZMUN?

They also come from different issuers: Invesco and F/m Investments. Their fees differ too: 0.35% for INTM and 0.30% for ZMUN.