BSMY vs. FMUN

Last updated Jun 4, 2026

BSMY (Invesco BulletShares 2034 Municipal Bond ETF) and FMUN (Fidelity Systematic Municipal Bond Index ETF) are both Municipal Bonds funds. BSMY is passively managed, while FMUN is actively managed. Over the past year, BSMY returned 8.12% vs 7.61% for FMUN. A 0.78 correlation means they provide meaningful diversification when combined. BSMY charges 0.18%/yr vs 0.05%/yr for FMUN.

Performance

BSMY vs. FMUN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Fidelity Systematic Municipal Bond Index ETF (FMUN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSMY achieves a 1.43% return, which is significantly lower than FMUN's 1.69% return.

BSMY

• 1D: 0.03%
• 1M: 0.52%
• YTD: 1.43%
• 6M: 1.83%
• 1Y: 8.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FMUN

• 1D: 0.03%
• 1M: 0.93%
• YTD: 1.69%
• 6M: 2.24%
• 1Y: 7.61%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BSMY vs. FMUN - Yearly Performance Comparison

	2026 (YTD)	2025
BSMY Invesco BulletShares 2034 Municipal Bond ETF	1.43%	6.57%
FMUN Fidelity Systematic Municipal Bond Index ETF	1.69%	4.25%

Correlation

The correlation between BSMY and FMUN is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (All Time) Calculated using the full available price history since Apr 8, 2025	0.78

The correlation between BSMY and FMUN has been stable across timeframes, ranging from 0.78 to 0.78 - a consistent structural relationship.

Return for Risk

BSMY vs. FMUN — Risk / Return Rank

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

BSMY

BSMY Risk / Return Rank: 68
BSMY Sharpe Ratio Rank: 73
BSMY Sortino Ratio Rank: 80
BSMY Omega Ratio Rank: 83
BSMY Calmar Ratio Rank: 51
BSMY Martin Ratio Rank: 52

FMUN

FMUN Risk / Return Rank: 67
FMUN Sharpe Ratio Rank: 75
FMUN Sortino Ratio Rank: 78
FMUN Omega Ratio Rank: 86
FMUN Calmar Ratio Rank: 48
FMUN Martin Ratio Rank: 48

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.

BSMY vs. FMUN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Fidelity Systematic Municipal Bond Index ETF (FMUN). 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.

	BSMY	FMUN	Difference
Sharpe ratio: Return per unit of total volatility	2.36	2.45	-0.10
Sortino ratio: Return per unit of downside risk	3.56	3.54	+0.02
Omega ratio: Gain probability vs. loss probability	1.49	1.53	-0.04
Calmar ratio: Return relative to maximum drawdown	2.46	2.38	+0.08
Martin ratio: Return relative to average drawdown	8.53	7.88	+0.64
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BSMY vs. FMUN - Sharpe Ratio Comparison

The current BSMY Sharpe Ratio is 2.36, which is comparable to the FMUN Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of BSMY and FMUN, 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

	BSMY	FMUN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.36	2.45	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	1.28	-0.91

Drawdowns

BSMY vs. FMUN - Drawdown Comparison

The maximum BSMY drawdown since its inception was -6.81%, which is greater than FMUN's maximum drawdown of -3.21%. Use the drawdown chart below to compare losses from any high point for BSMY and FMUN.

Drawdown Indicators

	BSMY	FMUN	Difference
Max Drawdown Largest peak-to-trough decline	-6.81%	-3.21%	-3.60%
Max Drawdown (1Y) Largest decline over 1 year	-3.31%	-3.21%	-0.10%
Current Drawdown Current decline from peak	-0.79%	-0.66%	-0.13%
Average Drawdown Average peak-to-trough decline	-1.98%	-0.82%	-1.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	0.97%	-0.02%

Volatility

BSMY vs. FMUN - Volatility Comparison

Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Fidelity Systematic Municipal Bond Index ETF (FMUN) have volatilities of 1.28% and 1.27%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSMY	FMUN	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.28%	1.27%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	2.55%	2.27%	+0.28%
Volatility (1Y) Calculated over the trailing 1-year period	3.46%	3.12%	+0.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.23%	4.06%	+1.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.23%	4.06%	+1.17%

BSMY vs. FMUN - Expense Ratio Comparison

BSMY has a 0.18% expense ratio, which is higher than FMUN's 0.05% 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%.

Dividends

BSMY vs. FMUN - Dividend Comparison

BSMY's dividend yield for the trailing twelve months is around 3.53%, more than FMUN's 3.29% yield.

Position	TTM	2025	2024
BSMY Invesco BulletShares 2034 Municipal Bond ETF	3.53%	3.31%	0.79%
FMUN Fidelity Systematic Municipal Bond Index ETF	3.29%	2.41%	0.00%

Frequently Asked Questions

Can I hold both BSMY and FMUN in my portfolio?

BSMY and FMUN have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSMY or FMUN?

BSMY has higher volatility (1.28%) compared to FMUN (1.27%). In terms of maximum drawdown, BSMY dropped -6.81% vs FMUN's -3.21%.

Which ETF is better, BSMY or FMUN?

On 1-year performance, BSMY leads with 8.12% vs 7.61% for FMUN. On fees, FMUN is cheaper at 0.05% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BSMY or FMUN?

Over the 1-year period, BSMY has performed better with a 8.12% return vs 7.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BSMY or FMUN?

FMUN is cheaper with a 0.05% expense ratio, compared with 0.18% for BSMY.

Which ETF pays a higher dividend yield, BSMY or FMUN?

BSMY has the higher dividend yield at 3.53%, compared with 3.29% for FMUN.

What is the main difference between BSMY and FMUN?

They also come from different issuers: Invesco and Fidelity. Their fees differ too: 0.18% for BSMY and 0.05% for FMUN.

Which has better risk-adjusted returns?

FMUN currently has the higher Sharpe Ratio (2.45 vs 2.36), 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.