PZA vs. BSNSX

Last updated Jun 5, 2026

PZA (Invesco National AMT-Free Municipal Bond ETF) and BSNSX (Baird Strategic Municipal Bond Fund) are both Municipal Bonds funds. Over the past 5 years, PZA returned 0.03%/yr vs 2.10%/yr for BSNSX. A 0.64 correlation means they provide meaningful diversification when combined. PZA charges 0.28%/yr vs 0.55%/yr for BSNSX.

Performance

PZA vs. BSNSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco National AMT-Free Municipal Bond ETF (PZA) and Baird Strategic Municipal Bond Fund (BSNSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PZA achieves a 2.60% return, which is significantly higher than BSNSX's 1.49% return.

PZA

• 1D: 0.26%
• 1M: 1.10%
• YTD: 2.60%
• 6M: 2.86%
• 1Y: 8.99%
• 3Y*: 3.37%
• 5Y*: 0.03%
• 10Y*: 1.90%

BSNSX

• 1D: 0.00%
• 1M: 0.49%
• YTD: 1.49%
• 6M: 1.79%
• 1Y: 5.86%
• 3Y*: 4.47%
• 5Y*: 2.10%
• 10Y*: —

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

PZA vs. BSNSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
PZA Invesco National AMT-Free Municipal Bond ETF	2.60%	1.81%	0.81%	8.64%	-13.17%	2.37%	5.07%	0.80%
BSNSX Baird Strategic Municipal Bond Fund	1.49%	4.83%	2.92%	6.53%	-5.54%	2.00%	8.13%	0.85%

Correlation

The correlation between PZA and BSNSX is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (All Time) Calculated using the full available price history since Nov 18, 2019	0.64

The correlation between PZA and BSNSX shifts across timeframes, from 0.55 (1 year) to 0.67 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PZA vs. BSNSX — Risk / Return Rank

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

PZA

PZA Risk / Return Rank: 66
PZA Sharpe Ratio Rank: 65
PZA Sortino Ratio Rank: 69
PZA Omega Ratio Rank: 79
PZA Calmar Ratio Rank: 58
PZA Martin Ratio Rank: 58

BSNSX

BSNSX Risk / Return Rank: 86
BSNSX Sharpe Ratio Rank: 97
BSNSX Sortino Ratio Rank: 97
BSNSX Omega Ratio Rank: 97
BSNSX Calmar Ratio Rank: 75
BSNSX Martin Ratio Rank: 62

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.

PZA vs. BSNSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco National AMT-Free Municipal Bond ETF (PZA) and Baird Strategic Municipal Bond Fund (BSNSX). 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.

	PZA	BSNSX	Difference
Sharpe ratio: Return per unit of total volatility	2.14	3.74	-1.61
Sortino ratio: Return per unit of downside risk	3.11	5.73	-2.62
Omega ratio: Gain probability vs. loss probability	1.46	2.03	-0.56
Calmar ratio: Return relative to maximum drawdown	2.84	3.38	-0.54
Martin ratio: Return relative to average drawdown	10.03	12.19	-2.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PZA vs. BSNSX - Sharpe Ratio Comparison

The current PZA Sharpe Ratio is 2.14, which is lower than the BSNSX Sharpe Ratio of 3.74. The chart below compares the historical Sharpe Ratios of PZA and BSNSX, 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

	PZA	BSNSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.14	3.74	-1.61
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	0.79	-0.79
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.27	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.94	-0.51

Drawdowns

PZA vs. BSNSX - Drawdown Comparison

The maximum PZA drawdown since its inception was -24.49%, which is greater than BSNSX's maximum drawdown of -9.77%. Use the drawdown chart below to compare losses from any high point for PZA and BSNSX.

Drawdown Indicators

	PZA	BSNSX	Difference
Max Drawdown Largest peak-to-trough decline	-24.49%	-9.77%	-14.72%
Max Drawdown (1Y) Largest decline over 1 year	-3.18%	-1.81%	-1.37%
Max Drawdown (3Y) Largest decline over 3 years	-7.89%	-3.54%	-4.35%
Max Drawdown (5Y) Largest decline over 5 years	-18.55%	-9.77%	-8.78%
Max Drawdown (10Y) Largest decline over 10 years	-21.69%	—	—
Current Drawdown Current decline from peak	-0.98%	-0.29%	-0.69%
Average Drawdown Average peak-to-trough decline	-3.95%	-1.58%	-2.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.90%	0.50%	+0.40%

Volatility

PZA vs. BSNSX - Volatility Comparison

Invesco National AMT-Free Municipal Bond ETF (PZA) has a higher volatility of 1.49% compared to Baird Strategic Municipal Bond Fund (BSNSX) at 0.66%. This indicates that PZA's price experiences larger fluctuations and is considered to be riskier than BSNSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PZA	BSNSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.49%	0.66%	+0.83%
Volatility (6M) Calculated over the trailing 6-month period	2.90%	1.26%	+1.64%
Volatility (1Y) Calculated over the trailing 1-year period	4.23%	1.63%	+2.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.00%	2.67%	+3.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.08%	3.36%	+3.72%

PZA vs. BSNSX - Expense Ratio Comparison

PZA has a 0.28% expense ratio, which is lower than BSNSX's 0.55% expense ratio.

Dividends

PZA vs. BSNSX - Dividend Comparison

PZA's dividend yield for the trailing twelve months is around 3.63%, more than BSNSX's 3.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSNSX Baird Strategic Municipal Bond Fund	3.35%	3.32%	3.28%	2.99%	1.84%	1.33%	1.99%	0.15%	0.00%	0.00%	0.00%	0.00%
PZA Invesco National AMT-Free Municipal Bond ETF	3.63%	3.55%	3.22%	2.91%	2.68%	2.34%	2.44%	2.81%	3.19%	3.04%	3.23%	3.59%

Frequently Asked Questions

Can I hold both PZA and BSNSX in my portfolio?

PZA and BSNSX have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PZA or BSNSX?

PZA has higher volatility (1.49%) compared to BSNSX (0.66%). In terms of maximum drawdown, PZA dropped -24.49% vs BSNSX's -9.77%.

Which has better risk-adjusted returns?

BSNSX currently has the higher Sharpe Ratio (3.74 vs 2.14), 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.