BSMY vs. TAXS

Last updated Jun 4, 2026

BSMY (Invesco BulletShares 2034 Municipal Bond ETF) and TAXS (Northern Trust Short-Term Tax-Exempt Bond ETF) are both Municipal Bonds funds - BSMY tracks the Invesco BulletShares USD Municipal Bond 2034 Index while TAXS tracks the ICE Short Term Focused Municipal Bond Index. Both are passively managed. A 0.62 correlation means they provide meaningful diversification when combined. BSMY charges 0.18%/yr vs 0.05%/yr for TAXS.

Performance

BSMY vs. TAXS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Northern Trust Short-Term Tax-Exempt Bond ETF (TAXS). 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 higher than TAXS's 0.93% return.

BSMY

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

TAXS

• 1D: 0.06%
• 1M: 0.38%
• YTD: 0.93%
• 6M: 1.33%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BSMY vs. TAXS - Yearly Performance Comparison

	2026 (YTD)	2025
BSMY Invesco BulletShares 2034 Municipal Bond ETF	1.43%	5.38%
TAXS Northern Trust Short-Term Tax-Exempt Bond ETF	0.93%	1.22%

Correlation

The correlation between BSMY and TAXS is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 20, 2025	0.62

Return for Risk

BSMY vs. TAXS — 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

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. TAXS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Northern Trust Short-Term Tax-Exempt Bond ETF (TAXS). 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	TAXS	Difference
Sharpe ratio: Return per unit of total volatility	2.36	—	—
Sortino ratio: Return per unit of downside risk	3.56	—	—
Omega ratio: Gain probability vs. loss probability	1.49	—	—
Calmar ratio: Return relative to maximum drawdown	2.46	—	—
Martin ratio: Return relative to average drawdown	8.53	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BSMY	TAXS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.36	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	2.78	-2.41

Drawdowns

BSMY vs. TAXS - Drawdown Comparison

The maximum BSMY drawdown since its inception was -6.81%, which is greater than TAXS's maximum drawdown of -0.84%. Use the drawdown chart below to compare losses from any high point for BSMY and TAXS.

Drawdown Indicators

	BSMY	TAXS	Difference
Max Drawdown Largest peak-to-trough decline	-6.81%	-0.84%	-5.97%
Max Drawdown (1Y) Largest decline over 1 year	-3.31%	—	—
Current Drawdown Current decline from peak	-0.79%	-0.09%	-0.70%
Average Drawdown Average peak-to-trough decline	-1.98%	-0.24%	-1.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	—	—

Volatility

Volatility by Period

	BSMY	TAXS	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.28%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.55%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.46%	1.00%	+2.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.23%	1.00%	+4.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.23%	1.00%	+4.23%

BSMY vs. TAXS - Expense Ratio Comparison

BSMY has a 0.18% expense ratio, which is higher than TAXS'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. TAXS - Dividend Comparison

BSMY's dividend yield for the trailing twelve months is around 3.53%, more than TAXS's 1.83% yield.

Position	TTM	2025	2024
BSMY Invesco BulletShares 2034 Municipal Bond ETF	3.53%	3.31%	0.79%
TAXS Northern Trust Short-Term Tax-Exempt Bond ETF	1.83%	0.74%	0.00%

Frequently Asked Questions

Can I hold both BSMY and TAXS in my portfolio?

BSMY and TAXS have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BSMY or TAXS?

On fees, TAXS is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BSMY or TAXS?

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

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

BSMY has the higher dividend yield at 3.53%, compared with 1.83% for TAXS.

What is the main difference between BSMY and TAXS?

BSMY tracks Invesco BulletShares USD Municipal Bond 2034 Index, while TAXS tracks ICE Short Term Focused Municipal Bond Index. They also come from different issuers: Invesco and Northern Trust. Their fees differ too: 0.18% for BSMY and 0.05% for TAXS.