GMUN vs. SMMU

Last updated Jul 18, 2026

GMUN (Goldman Sachs Community Municipal Bond ETF) and SMMU (PIMCO Short Term Municipal Bond Active ETF) are both Municipal Bonds funds. GMUN is passively managed, while SMMU is actively managed. A 0.65 correlation means they provide meaningful diversification when combined. GMUN charges 0.15%/yr vs 0.35%/yr for SMMU.

Performance

GMUN vs. SMMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Goldman Sachs Community Municipal Bond ETF (GMUN) and PIMCO Short Term Municipal Bond Active ETF (SMMU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

GMUN

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

SMMU

• 1D: 0.05%
• 1M: 0.12%
• 6M: 0.84%
• YTD: 1.29%
• 1Y: 3.34%
• 3Y*: 3.53%
• 5Y*: 1.91%
• 10Y*: 1.84%

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

GMUN vs. SMMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
GMUN Goldman Sachs Community Municipal Bond ETF	-0.34%	5.92%	0.31%	3.69%
SMMU PIMCO Short Term Municipal Bond Active ETF	1.29%	4.06%	2.68%	3.97%

Correlation

The correlation between GMUN and SMMU is 0.52, 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	0.52
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (All Time) Calculated using the full available price history since Mar 9, 2023	0.65

The correlation between GMUN and SMMU shifts across timeframes, from 0.52 (1 year) to 0.66 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

GMUN vs. SMMU — Risk / Return Rank

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

GMUN

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

SMMU

SMMU Risk / Return Rank: 94
SMMU Sharpe Ratio Rank: 96
SMMU Sortino Ratio Rank: 97
SMMU Omega Ratio Rank: 97
SMMU Calmar Ratio Rank: 90
SMMU Martin Ratio Rank: 89

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.

GMUN vs. SMMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Community Municipal Bond ETF (GMUN) and PIMCO Short Term Municipal Bond Active ETF (SMMU). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	GMUN	SMMU	Difference
Sharpe ratio: Return per unit of total volatility	—	3.28	—
Sortino ratio: Return per unit of downside risk	—	4.90	—
Omega ratio: Gain probability vs. loss probability	—	1.73	—
Calmar ratio: Return relative to maximum drawdown	—	4.36	—
Martin ratio: Return relative to average drawdown	—	15.48	—

Drawdowns

Drawdown Indicators

	GMUN	SMMU	Difference
Max Drawdown Largest peak-to-trough decline	—	-5.09%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-0.77%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.95%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-4.76%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-5.09%	—
Current Drawdown Current decline from peak	—	-0.12%	—
Average Drawdown Average peak-to-trough decline	—	-0.55%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.22%	—

Volatility

Volatility by Period

	GMUN	SMMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.26%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.81%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	1.03%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	1.67%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	2.71%	—

GMUN vs. SMMU - Expense Ratio Comparison

GMUN has a 0.15% expense ratio, which is lower than SMMU's 0.35% expense ratio.

Dividends

GMUN vs. SMMU - Dividend Comparison

GMUN has not paid dividends to shareholders, while SMMU's dividend yield for the trailing twelve months is around 2.88%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GMUN Goldman Sachs Community Municipal Bond ETF	2.87%	2.94%	3.22%	2.20%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SMMU PIMCO Short Term Municipal Bond Active ETF	2.88%	2.80%	3.03%	2.79%	1.37%	0.60%	1.19%	1.82%	1.57%	1.41%	1.03%	0.89%

Frequently Asked Questions

Can I hold both GMUN and SMMU in my portfolio?

GMUN and SMMU have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, GMUN or SMMU?

On fees, GMUN is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, GMUN or SMMU?

GMUN is cheaper with a 0.15% expense ratio, compared with 0.35% for SMMU.

Which ETF pays a higher dividend yield, GMUN or SMMU?

GMUN and SMMU have nearly identical dividend yields, around 2.87%.

What is the main difference between GMUN and SMMU?

They also come from different issuers: Goldman Sachs and PIMCO. Their fees differ too: 0.15% for GMUN and 0.35% for SMMU.