MYMK vs. IBMM

Last updated Jun 4, 2026

MYMK (SPDR SSGA My2031 Municipal Bond ETF) and IBMM (iShares iBonds Dec 2024 Term Muni Bond ETF) are both Municipal Bonds funds. MYMK is actively managed, while IBMM is passively managed. MYMK charges 0.20%/yr vs 0.18%/yr for IBMM.

Performance

MYMK vs. IBMM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR SSGA My2031 Municipal Bond ETF (MYMK) and iShares iBonds Dec 2024 Term Muni Bond ETF (IBMM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MYMK

• 1D: -0.04%
• 1M: 0.33%
• YTD: 0.76%
• 6M: 1.03%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBMM

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYMK vs. IBMM - Yearly Performance Comparison

	2026 (YTD)
MYMK SPDR SSGA My2031 Municipal Bond ETF	-0.54%
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%

Return for Risk

MYMK vs. IBMM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSGA My2031 Municipal Bond ETF (MYMK) and iShares iBonds Dec 2024 Term Muni Bond ETF (IBMM). 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	IBMM	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	1.11	—	—

Drawdowns

MYMK vs. IBMM - Drawdown Comparison

The maximum MYMK drawdown since its inception was -2.22%, which is greater than IBMM's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for MYMK and IBMM.

Drawdown Indicators

	MYMK	IBMM	Difference
Max Drawdown Largest peak-to-trough decline	-2.22%	0.00%	-2.22%
Current Drawdown Current decline from peak	-1.06%	0.00%	-1.06%
Average Drawdown Average peak-to-trough decline	-0.57%	0.00%	-0.57%

Volatility

Volatility by Period

	MYMK	IBMM	Difference
Volatility (1Y) Calculated over the trailing 1-year period	1.97%	0.00%	+1.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.97%	0.00%	+1.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.97%	0.00%	+1.97%

MYMK vs. IBMM - Expense Ratio Comparison

MYMK has a 0.20% expense ratio, which is higher than IBMM's 0.18% 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. IBMM - Dividend Comparison

MYMK's dividend yield for the trailing twelve months is around 1.84%, while IBMM has not paid dividends to shareholders.

Position	TTM	2025
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%	0.00%
MYMK SPDR SSGA My2031 Municipal Bond ETF	1.84%	0.77%

Frequently Asked Questions

Which ETF is better, MYMK or IBMM?

On fees, IBMM is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MYMK or IBMM?

IBMM is cheaper with a 0.18% expense ratio, compared with 0.20% for MYMK.

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

MYMK has the higher dividend yield at 1.84%, compared with 0.00% for IBMM.

What is the main difference between MYMK and IBMM?

They also come from different issuers: State Street and iShares. Their fees differ too: 0.20% for MYMK and 0.18% for IBMM.