BSMR vs. IBMN

Last updated Jun 4, 2026

BSMR (Invesco BulletShares 2027 Municipal Bond ETF) and IBMN (iShares iBonds Dec 2025 Term Muni Bond ETF) are both Municipal Bonds funds - BSMR tracks the Invesco BulletShares Municipal Bond 2027 Index while IBMN tracks the S&P AMT-Free Municipal Series Dec 2025 Index. Both are passively managed. Over the past 5 years, BSMR returned 0.48%/yr vs 0.47%/yr for IBMN. At a 0.45 correlation, their price movements are largely independent. Both charge a 0.18% expense ratio.

Performance

BSMR vs. IBMN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco BulletShares 2027 Municipal Bond ETF (BSMR) and iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BSMR

• 1D: 0.05%
• 1M: 0.41%
• YTD: 1.04%
• 6M: 1.31%
• 1Y: 4.16%
• 3Y*: 3.03%
• 5Y*: 0.48%
• 10Y*: —

IBMN

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: 0.00%
• 1Y: 1.20%
• 3Y*: 2.44%
• 5Y*: 0.47%
• 10Y*: —

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

BSMR vs. IBMN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BSMR Invesco BulletShares 2027 Municipal Bond ETF	1.04%	3.10%	1.51%	4.47%	-7.60%	1.09%	4.97%	0.16%
IBMN iShares iBonds Dec 2025 Term Muni Bond ETF	0.00%	2.49%	2.33%	2.42%	-4.43%	-0.41%	4.83%	0.96%

Correlation

The correlation between BSMR and IBMN is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.49
Correlation (All Time) Calculated using the full available price history since Sep 27, 2019	0.45

Over the past year, the correlation between BSMR and IBMN has dropped to 0.08 - well below their long-term average of 0.45, suggesting their price drivers have been diverging.

Return for Risk

BSMR vs. IBMN — Risk / Return Rank

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

BSMR

BSMR Risk / Return Rank: 94
BSMR Sharpe Ratio Rank: 92
BSMR Sortino Ratio Rank: 96
BSMR Omega Ratio Rank: 95
BSMR Calmar Ratio Rank: 94
BSMR Martin Ratio Rank: 92

IBMN

IBMN Risk / Return Rank: 84
IBMN Sharpe Ratio Rank: 64
IBMN Sortino Ratio Rank: 78
IBMN Omega Ratio Rank: 93
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.

BSMR vs. IBMN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco BulletShares 2027 Municipal Bond ETF (BSMR) 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.

	BSMR	IBMN	Difference
Sharpe ratio Return per unit of total volatility	3.33	2.12	+1.21
Sortino ratio Return per unit of downside risk	5.57	3.51	+2.06
Omega ratio Gain probability vs. loss probability	1.74	1.66	+0.08
Calmar ratio Return relative to maximum drawdown	7.37	6.02	+1.36
Martin ratio Return relative to average drawdown	23.41	24.21	-0.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BSMR vs. IBMN - Sharpe Ratio Comparison

The current BSMR Sharpe Ratio is 3.33, which is higher than the IBMN Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of BSMR and IBMN, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BSMR	IBMN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.33	2.12	+1.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.16	0.28	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.22	0.58	-0.37

Drawdowns

BSMR vs. IBMN - Drawdown Comparison

The maximum BSMR drawdown since its inception was -13.49%, which is greater than IBMN's maximum drawdown of -12.40%. Use the drawdown chart below to compare losses from any high point for BSMR and IBMN.

Drawdown Indicators

	BSMR	IBMN	Difference
Max Drawdown Largest peak-to-trough decline	-13.49%	-12.40%	-1.09%
Max Drawdown (1Y) Largest decline over 1 year	-0.57%	-0.25%	-0.32%
Max Drawdown (3Y) Largest decline over 3 years	-3.50%	-1.10%	-2.40%
Max Drawdown (5Y) Largest decline over 5 years	-12.02%	-7.36%	-4.66%
Current Drawdown Current decline from peak	0.00%	-0.05%	+0.05%
Average Drawdown Average peak-to-trough decline	-3.49%	-1.81%	-1.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.18%	0.10%	+0.08%

Volatility

BSMR vs. IBMN - Volatility Comparison

Invesco BulletShares 2027 Municipal Bond ETF (BSMR) has a higher volatility of 0.34% compared to iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN) at 0.00%. This indicates that BSMR's price experiences larger fluctuations and is considered to be riskier than IBMN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSMR	IBMN	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.34%	0.00%	+0.34%
Volatility (6M) Calculated over the trailing 6-month period	0.92%	0.50%	+0.42%
Volatility (1Y) Calculated over the trailing 1-year period	1.25%	0.71%	+0.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.03%	1.80%	+1.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.72%	3.89%	+1.83%

BSMR vs. IBMN - Expense Ratio Comparison

Both BSMR 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

BSMR vs. IBMN - Dividend Comparison

BSMR's dividend yield for the trailing twelve months is around 2.72%, more than IBMN's 1.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BSMR Invesco BulletShares 2027 Municipal Bond ETF	2.72%	2.77%	2.78%	2.72%	1.40%	1.00%	1.49%	0.45%	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 BSMR and IBMN in my portfolio?

BSMR and IBMN have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSMR or IBMN?

BSMR has higher volatility (0.34%) compared to IBMN (0.00%). In terms of maximum drawdown, BSMR dropped -13.49% vs IBMN's -12.40%.

Which ETF is better, BSMR or IBMN?

On 5-year performance, BSMR leads with 0.48% vs 0.47% for IBMN. Both ETFs have the same 0.18% expense ratio. On volatility, IBMN has been the lower-risk option at 0.00%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BSMR or IBMN?

Over the 5-year period, BSMR has performed better with a 0.48% return vs 0.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BSMR or IBMN?

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

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

BSMR has the higher dividend yield at 2.72%, compared with 1.14% for IBMN.

What is the main difference between BSMR and IBMN?

BSMR tracks Invesco BulletShares Municipal Bond 2027 Index, while IBMN tracks S&P AMT-Free Municipal Series Dec 2025 Index. They also come from different issuers: Invesco and iShares.

Which has better risk-adjusted returns?

BSMR currently has the higher Sharpe Ratio (3.33 vs 2.12), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.