AMUN vs. BSMP

Last updated Apr 2, 2026

Compare and contrast key facts about abrdn Ultra Short Municipal Income Active ETF (AMUN) and Invesco BulletShares 2025 Municipal Bond ETF (BSMP).

AMUN and BSMP are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. AMUN is an actively managed fund by abrdn. It was launched on Oct 20, 2025. BSMP is a passively managed fund by Invesco that tracks the performance of the Invesco BulletShares Municipal Bond 2025 Index. It was launched on Sep 25, 2019.

Performance

AMUN vs. BSMP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in abrdn Ultra Short Municipal Income Active ETF (AMUN) and Invesco BulletShares 2025 Municipal Bond ETF (BSMP). The values are adjusted to include any dividend payments, if applicable.

AMUN vs. BSMP - Yearly Performance Comparison

	2026 (YTD)	2025
AMUN abrdn Ultra Short Municipal Income Active ETF	0.56%	0.14%
BSMP Invesco BulletShares 2025 Municipal Bond ETF	0.00%	0.17%

Returns By Period

AMUN

• 1D: 0.03%
• 1M: 0.10%
• YTD: 0.56%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BSMP

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

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

AMUN vs. BSMP - Expense Ratio Comparison

AMUN has a 0.25% expense ratio, which is higher than BSMP's 0.18% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

AMUN

abrdn Ultra Short Municipal Income Active ETF

BSMP

Invesco BulletShares 2025 Municipal Bond ETF

Return for Risk

AMUN vs. BSMP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for abrdn Ultra Short Municipal Income Active ETF (AMUN) and Invesco BulletShares 2025 Municipal Bond ETF (BSMP). 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

	AMUN	BSMP	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	1.43	—	—

Correlation

The correlation between AMUN and BSMP is 0.39, 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

AMUN vs. BSMP - Dividend Comparison

AMUN's dividend yield for the trailing twelve months is around 1.39%, less than BSMP's 1.72% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019
AMUN abrdn Ultra Short Municipal Income Active ETF	1.39%	0.66%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
BSMP Invesco BulletShares 2025 Municipal Bond ETF	1.72%	2.35%	2.53%	2.20%	1.23%	0.72%	1.32%	0.35%

Drawdowns

Drawdown Indicators

	AMUN	BSMP	Difference
Max Drawdown Largest peak-to-trough decline	-0.61%	—	—
Current Drawdown Current decline from peak	-0.02%	—	—
Average Drawdown Average peak-to-trough decline	-0.11%	—	—

Volatility

Volatility by Period

	AMUN	BSMP	Difference
Volatility (1Y) Calculated over the trailing 1-year period	1.11%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.11%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.11%	—	—