MYMK vs. SPY

Last updated Jun 25, 2026

MYMK (SPDR SSGA My2031 Municipal Bond ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - MYMK is a Municipal Bonds fund actively managed by State Street, while SPY is a S&P 500 fund tracking the S&P 500 Index. MYMK is actively managed, while SPY is passively managed. At a 0.27 correlation, their price movements are largely independent. MYMK charges 0.20%/yr vs 0.09%/yr for SPY.

Performance

MYMK vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR SSGA My2031 Municipal Bond ETF (MYMK) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYMK achieves a 0.99% return, which is significantly lower than SPY's 8.10% return.

MYMK

• 1D: 0.06%
• 1M: 0.85%
• YTD: 0.99%
• 6M: 1.11%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPY

• 1D: -0.05%
• 1M: -1.41%
• YTD: 8.10%
• 6M: 6.77%
• 1Y: 22.18%
• 3Y*: 20.66%
• 5Y*: 12.96%
• 10Y*: 15.53%

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

MYMK vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025
MYMK SPDR SSGA My2031 Municipal Bond ETF	0.99%	0.65%
SPY State Street SPDR S&P 500 ETF	8.10%	3.91%

Correlation

The correlation between MYMK and SPY is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Sep 17, 2025	0.27

Return for Risk

MYMK vs. SPY — Risk / Return Rank

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

MYMK

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

SPY

SPY Risk / Return Rank: 60
SPY Sharpe Ratio Rank: 59
SPY Sortino Ratio Rank: 57
SPY Omega Ratio Rank: 59
SPY Calmar Ratio Rank: 57
SPY Martin Ratio Rank: 67

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. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSGA My2031 Municipal Bond ETF (MYMK) and State Street SPDR S&P 500 ETF (SPY). 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.

	MYMK	SPY	Difference
Sharpe ratio: Return per unit of total volatility	—	1.79	—
Sortino ratio: Return per unit of downside risk	—	2.45	—
Omega ratio: Gain probability vs. loss probability	—	1.33	—
Calmar ratio: Return relative to maximum drawdown	—	2.51	—
Martin ratio: Return relative to average drawdown	—	11.15	—

Drawdowns

MYMK vs. SPY - Drawdown Comparison

The maximum MYMK drawdown since its inception was -2.22%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for MYMK and SPY.

Drawdown Indicators

	MYMK	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-2.22%	-55.19%	+52.97%
Max Drawdown (1Y) Largest decline over 1 year	—	-8.88%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	-0.85%	-3.22%	+2.37%
Average Drawdown Average peak-to-trough decline	-0.61%	-9.03%	+8.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.99%	—

Volatility

Volatility by Period

	MYMK	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.85%	—
Volatility (6M) Calculated over the trailing 6-month period	—	9.81%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.91%	12.47%	-10.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.91%	17.15%	-15.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.91%	17.95%	-16.04%

MYMK vs. SPY - Expense Ratio Comparison

MYMK has a 0.20% expense ratio, which is higher than SPY's 0.09% 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. SPY - Dividend Comparison

MYMK's dividend yield for the trailing twelve months is around 1.83%, more than SPY's 1.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MYMK SPDR SSGA My2031 Municipal Bond ETF	1.83%	0.77%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.03%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both MYMK and SPY in my portfolio?

MYMK and SPY have a correlation of 0.27, 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 SPY?

On fees, SPY is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MYMK or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.20% for MYMK.

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

MYMK has the higher dividend yield at 1.83%, compared with 1.03% for SPY.

What is the main difference between MYMK and SPY?

MYMK is categorized as Municipal Bonds, while SPY is S&P 500. Their fees differ too: 0.20% for MYMK and 0.09% for SPY.