BSMZ vs. IBMN

Last updated Jun 5, 2026

BSMZ (Invesco BulletShares 2035 Municipal Bond ETF) and IBMN (iShares iBonds Dec 2025 Term Muni Bond ETF) are both Municipal Bonds funds - BSMZ tracks the Invesco BulletShares USD Municipal Bond 2035 Index while IBMN tracks the S&P AMT-Free Municipal Series Dec 2025 Index. Both are passively managed. At a 0.12 correlation, their price movements are largely independent. Both charge a 0.18% expense ratio.

Performance

BSMZ vs. IBMN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco BulletShares 2035 Municipal Bond ETF (BSMZ) and iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BSMZ

• 1D: 0.02%
• 1M: 0.83%
• YTD: 1.80%
• 6M: 2.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBMN

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: 0.00%
• 1Y: 1.20%
• 3Y*: 2.40%
• 5Y*: 0.47%
• 10Y*: —

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

BSMZ vs. IBMN - Yearly Performance Comparison

	2026 (YTD)	2025
BSMZ Invesco BulletShares 2035 Municipal Bond ETF	1.80%	1.82%
IBMN iShares iBonds Dec 2025 Term Muni Bond ETF	0.00%	0.38%

Correlation

The correlation between BSMZ and IBMN 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 Sep 18, 2025	0.12

Return for Risk

BSMZ vs. IBMN — Risk / Return Rank

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

IBMN

IBMN Risk / Return Rank: 85
IBMN Sharpe Ratio Rank: 65
IBMN Sortino Ratio Rank: 80
IBMN Omega Ratio Rank: 94
IBMN Calmar Ratio Rank: 92
IBMN Martin Ratio Rank: 93

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.

BSMZ vs. IBMN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco BulletShares 2035 Municipal Bond ETF (BSMZ) and iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN). 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

	BSMZ	IBMN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.12	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.28	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.39	0.58	+0.80

Drawdowns

BSMZ vs. IBMN - Drawdown Comparison

The maximum BSMZ drawdown since its inception was -3.26%, smaller than the maximum IBMN drawdown of -12.40%. Use the drawdown chart below to compare losses from any high point for BSMZ and IBMN.

Drawdown Indicators

	BSMZ	IBMN	Difference
Max Drawdown Largest peak-to-trough decline	-3.26%	-12.40%	+9.14%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.25%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.10%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-7.36%	—
Current Drawdown Current decline from peak	-0.37%	-0.05%	-0.32%
Average Drawdown Average peak-to-trough decline	-0.70%	-1.81%	+1.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.10%	—

Volatility

Volatility by Period

	BSMZ	IBMN	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.00%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.50%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.75%	0.71%	+3.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.75%	1.79%	+1.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.75%	3.89%	-0.14%

BSMZ vs. IBMN - Expense Ratio Comparison

Both BSMZ and IBMN have an expense ratio of 0.18%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

BSMZ vs. IBMN - Dividend Comparison

BSMZ's dividend yield for the trailing twelve months is around 2.02%, more than IBMN's 1.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BSMZ Invesco BulletShares 2035 Municipal Bond ETF	2.02%	0.68%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
IBMN iShares iBonds Dec 2025 Term Muni Bond ETF	1.14%	2.03%	2.03%	1.72%	0.97%	0.70%	1.11%	1.65%	0.23%

Frequently Asked Questions

Can I hold both BSMZ and IBMN in my portfolio?

BSMZ and IBMN 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, BSMZ or IBMN?

Both ETFs have the same 0.18% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BSMZ or IBMN?

BSMZ and IBMN have the same expense ratio: 0.18% per year.

Which ETF pays a higher dividend yield, BSMZ or IBMN?

BSMZ has the higher dividend yield at 2.02%, compared with 1.14% for IBMN.

What is the main difference between BSMZ and IBMN?

BSMZ tracks Invesco BulletShares USD Municipal Bond 2035 Index, while IBMN tracks S&P AMT-Free Municipal Series Dec 2025 Index. They also come from different issuers: Invesco and iShares.