CGMU vs. SCMB

Last updated Apr 1, 2026

Compare and contrast key facts about Capital Group Municipal Income ETF (CGMU) and Schwab Municipal Bond ETF (SCMB).

CGMU and SCMB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CGMU is an actively managed fund by Capital Group. It was launched on Oct 25, 2022. SCMB is a passively managed fund by Charles Schwab that tracks the performance of the ICE AMT-Free Core U.S. National Municipal Index - Benchmark TR Gross. It was launched on Oct 11, 2022.

Performance

CGMU vs. SCMB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Capital Group Municipal Income ETF (CGMU) and Schwab Municipal Bond ETF (SCMB). The values are adjusted to include any dividend payments, if applicable.

CGMU vs. SCMB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CGMU Capital Group Municipal Income ETF	-0.02%	5.19%	2.64%	6.76%	4.53%
SCMB Schwab Municipal Bond ETF	-0.51%	3.78%	0.91%	5.86%	5.14%

Returns By Period

In the year-to-date period, CGMU achieves a -0.02% return, which is significantly higher than SCMB's -0.51% return.

CGMU

• 1D: 0.11%
• 1M: -2.27%
• YTD: -0.02%
• 6M: 1.20%
• 1Y: 4.71%
• 3Y*: 3.94%
• 5Y*: —
• 10Y*: —

SCMB

• 1D: 0.24%
• 1M: -2.42%
• YTD: -0.51%
• 6M: 1.25%
• 1Y: 3.88%
• 3Y*: 2.44%
• 5Y*: —
• 10Y*: —

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

CGMU vs. SCMB - Expense Ratio Comparison

CGMU has a 0.27% expense ratio, which is higher than SCMB's 0.03% 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%.

CGMU

Capital Group Municipal Income ETF

SCMB

Schwab Municipal Bond ETF

Return for Risk

CGMU vs. SCMB — Risk / Return Rank

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

CGMU

CGMU Risk / Return Rank: 74
CGMU Sharpe Ratio Rank: 79
CGMU Sortino Ratio Rank: 75
CGMU Omega Ratio Rank: 84
CGMU Calmar Ratio Rank: 69
CGMU Martin Ratio Rank: 61

SCMB

SCMB Risk / Return Rank: 49
SCMB Sharpe Ratio Rank: 56
SCMB Sortino Ratio Rank: 47
SCMB Omega Ratio Rank: 61
SCMB Calmar Ratio Rank: 45
SCMB Martin Ratio Rank: 35

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.

CGMU vs. SCMB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Capital Group Municipal Income ETF (CGMU) and Schwab Municipal Bond ETF (SCMB). 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.

	CGMU	SCMB	Difference
Sharpe ratio Return per unit of total volatility	1.45	0.94	+0.51
Sortino ratio Return per unit of downside risk	1.86	1.22	+0.64
Omega ratio Gain probability vs. loss probability	1.33	1.21	+0.11
Calmar ratio Return relative to maximum drawdown	1.73	1.05	+0.68
Martin ratio Return relative to average drawdown	5.83	2.98	+2.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CGMU vs. SCMB - Sharpe Ratio Comparison

The current CGMU Sharpe Ratio is 1.45, which is higher than the SCMB Sharpe Ratio of 0.94. The chart below compares the historical Sharpe Ratios of CGMU and SCMB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	CGMU	SCMB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.45	0.94	+0.51
Sharpe Ratio (All Time) Calculated using the full available price history	1.60	0.90	+0.70

Correlation

The correlation between CGMU and SCMB is 0.81, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

CGMU vs. SCMB - Dividend Comparison

CGMU's dividend yield for the trailing twelve months is around 3.38%, which matches SCMB's 3.38% yield.

	TTM	2025	2024	2023	2022
CGMU Capital Group Municipal Income ETF	3.38%	3.32%	3.21%	3.08%	0.49%
SCMB Schwab Municipal Bond ETF	3.38%	3.36%	3.34%	3.10%	0.59%

Drawdowns

CGMU vs. SCMB - Drawdown Comparison

The maximum CGMU drawdown since its inception was -4.11%, smaller than the maximum SCMB drawdown of -6.13%. Use the drawdown chart below to compare losses from any high point for CGMU and SCMB.

Drawdown Indicators

	CGMU	SCMB	Difference
Max Drawdown Largest peak-to-trough decline	-4.11%	-6.13%	+2.02%
Max Drawdown (1Y) Largest decline over 1 year	-2.86%	-3.79%	+0.93%
Current Drawdown Current decline from peak	-2.27%	-2.42%	+0.15%
Average Drawdown Average peak-to-trough decline	-0.81%	-1.32%	+0.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.85%	1.34%	-0.49%

Volatility

CGMU vs. SCMB - Volatility Comparison

The current volatility for Capital Group Municipal Income ETF (CGMU) is 1.11%, while Schwab Municipal Bond ETF (SCMB) has a volatility of 1.47%. This indicates that CGMU experiences smaller price fluctuations and is considered to be less risky than SCMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGMU	SCMB	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.11%	1.47%	-0.36%
Volatility (6M) Calculated over the trailing 6-month period	1.70%	2.02%	-0.32%
Volatility (1Y) Calculated over the trailing 1-year period	3.27%	4.15%	-0.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.53%	4.22%	-0.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.53%	4.22%	-0.69%