MYMK vs. GUMI

Last updated Jun 5, 2026

MYMK (SPDR SSGA My2031 Municipal Bond ETF) and GUMI (Goldman Sachs Ultra Short Municipal Income ETF) are both Municipal Bonds funds. Both are actively managed. At a 0.06 correlation, their price movements are largely independent. MYMK charges 0.20%/yr vs 0.16%/yr for GUMI.

Performance

MYMK vs. GUMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR SSGA My2031 Municipal Bond ETF (MYMK) and Goldman Sachs Ultra Short Municipal Income ETF (GUMI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYMK achieves a 0.84% return, which is significantly lower than GUMI's 1.12% return.

MYMK

• 1D: 0.08%
• 1M: 0.39%
• YTD: 0.84%
• 6M: 1.11%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

GUMI

• 1D: 0.06%
• 1M: 0.25%
• YTD: 1.12%
• 6M: 1.35%
• 1Y: 3.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYMK vs. GUMI - Yearly Performance Comparison

	2026 (YTD)	2025
MYMK SPDR SSGA My2031 Municipal Bond ETF	0.84%	0.77%
GUMI Goldman Sachs Ultra Short Municipal Income ETF	1.12%	0.78%

Correlation

The correlation between MYMK and GUMI is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Sep 18, 2025	0.06

Return for Risk

MYMK vs. GUMI — Risk / Return Rank

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

GUMI

GUMI Risk / Return Rank: 93
GUMI Sharpe Ratio Rank: 88
GUMI Sortino Ratio Rank: 94
GUMI Omega Ratio Rank: 93
GUMI Calmar Ratio Rank: 96
GUMI Martin Ratio Rank: 96

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.

MYMK vs. GUMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSGA My2031 Municipal Bond ETF (MYMK) and Goldman Sachs Ultra Short Municipal Income ETF (GUMI). 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.

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

Sharpe Ratios by Period

	MYMK	GUMI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.91	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.17	3.32	-2.15

Drawdowns

MYMK vs. GUMI - Drawdown Comparison

The maximum MYMK drawdown since its inception was -2.22%, which is greater than GUMI's maximum drawdown of -0.48%. Use the drawdown chart below to compare losses from any high point for MYMK and GUMI.

Drawdown Indicators

	MYMK	GUMI	Difference
Max Drawdown Largest peak-to-trough decline	-2.22%	-0.48%	-1.74%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.36%	—
Current Drawdown Current decline from peak	-0.98%	0.00%	-0.98%
Average Drawdown Average peak-to-trough decline	-0.57%	-0.05%	-0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.08%	—

Volatility

Volatility by Period

	MYMK	GUMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.25%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.55%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.96%	1.10%	+0.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.96%	0.99%	+0.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.96%	0.99%	+0.97%

MYMK vs. GUMI - Expense Ratio Comparison

MYMK has a 0.20% expense ratio, which is higher than GUMI's 0.16% 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

MYMK vs. GUMI - Dividend Comparison

MYMK's dividend yield for the trailing twelve months is around 1.83%, less than GUMI's 2.77% yield.

Position	TTM	2025	2024
GUMI Goldman Sachs Ultra Short Municipal Income ETF	2.77%	2.95%	1.37%
MYMK SPDR SSGA My2031 Municipal Bond ETF	1.83%	0.77%	0.00%

Frequently Asked Questions

Can I hold both MYMK and GUMI in my portfolio?

MYMK and GUMI have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MYMK or GUMI?

On fees, GUMI is cheaper at 0.16% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MYMK or GUMI?

GUMI is cheaper with a 0.16% expense ratio, compared with 0.20% for MYMK.

Which ETF pays a higher dividend yield, MYMK or GUMI?

GUMI has the higher dividend yield at 2.77%, compared with 1.83% for MYMK.

What is the main difference between MYMK and GUMI?

They also come from different issuers: State Street and Goldman Sachs. Their fees differ too: 0.20% for MYMK and 0.16% for GUMI.