IBMO vs. MYMG

Last updated Jun 5, 2026

IBMO (iShares iBonds Dec 2026 Term Muni Bond ETF) and MYMG (State Street My2027 Municipal Bond ETF) are both Municipal Bonds funds. IBMO is passively managed, while MYMG is actively managed. Over the past year, IBMO returned 2.78% vs 3.89% for MYMG. At a 0.30 correlation, their price movements are largely independent. IBMO charges 0.18%/yr vs 0.20%/yr for MYMG.

Performance

IBMO vs. MYMG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) and State Street My2027 Municipal Bond ETF (MYMG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBMO achieves a 0.95% return, which is significantly lower than MYMG's 1.24% return.

IBMO

• 1D: 0.01%
• 1M: 0.17%
• YTD: 0.95%
• 6M: 1.30%
• 1Y: 2.78%
• 3Y*: 2.93%
• 5Y*: 0.67%
• 10Y*: —

MYMG

• 1D: 0.04%
• 1M: 0.32%
• YTD: 1.24%
• 6M: 1.52%
• 1Y: 3.89%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBMO vs. MYMG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF	0.95%	3.11%	0.02%
MYMG State Street My2027 Municipal Bond ETF	1.24%	2.64%	-0.18%

Correlation

The correlation between IBMO and MYMG is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024	0.30

The correlation between IBMO and MYMG shifts across timeframes, from 0.17 (1 year) to 0.30 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IBMO vs. MYMG — Risk / Return Rank

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

IBMO

IBMO Risk / Return Rank: 88
IBMO Sharpe Ratio Rank: 80
IBMO Sortino Ratio Rank: 89
IBMO Omega Ratio Rank: 87
IBMO Calmar Ratio Rank: 94
IBMO Martin Ratio Rank: 91

MYMG

MYMG Risk / Return Rank: 97
MYMG Sharpe Ratio Rank: 97
MYMG Sortino Ratio Rank: 98
MYMG Omega Ratio Rank: 98
MYMG Calmar Ratio Rank: 97
MYMG 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.

IBMO vs. MYMG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) and State Street My2027 Municipal Bond ETF (MYMG). 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.

	IBMO	MYMG	Difference
Sharpe ratio: Return per unit of total volatility	2.54	4.80	-2.27
Sortino ratio: Return per unit of downside risk	4.08	8.05	-3.96
Omega ratio: Gain probability vs. loss probability	1.53	2.38	-0.85
Calmar ratio: Return relative to maximum drawdown	7.38	10.94	-3.56
Martin ratio: Return relative to average drawdown	21.93	36.02	-14.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBMO vs. MYMG - Sharpe Ratio Comparison

The current IBMO Sharpe Ratio is 2.54, which is lower than the MYMG Sharpe Ratio of 4.80. The chart below compares the historical Sharpe Ratios of IBMO and MYMG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IBMO	MYMG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.54	4.80	-2.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.31	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	1.08	-0.67

Drawdowns

IBMO vs. MYMG - Drawdown Comparison

The maximum IBMO drawdown since its inception was -14.77%, which is greater than MYMG's maximum drawdown of -2.31%. Use the drawdown chart below to compare losses from any high point for IBMO and MYMG.

Drawdown Indicators

	IBMO	MYMG	Difference
Max Drawdown Largest peak-to-trough decline	-14.77%	-2.31%	-12.46%
Max Drawdown (1Y) Largest decline over 1 year	-0.38%	-0.36%	-0.02%
Max Drawdown (3Y) Largest decline over 3 years	-1.76%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-8.86%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.32%	-0.33%	-1.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.13%	0.11%	+0.02%

Volatility

IBMO vs. MYMG - Volatility Comparison

iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) has a higher volatility of 0.19% compared to State Street My2027 Municipal Bond ETF (MYMG) at 0.17%. This indicates that IBMO's price experiences larger fluctuations and is considered to be riskier than MYMG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBMO	MYMG	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.19%	0.17%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	0.83%	0.57%	+0.26%
Volatility (1Y) Calculated over the trailing 1-year period	1.10%	0.81%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.15%	2.03%	+0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.52%	2.03%	+2.49%

IBMO vs. MYMG - Expense Ratio Comparison

IBMO has a 0.18% expense ratio, which is lower than MYMG's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IBMO vs. MYMG - Dividend Comparison

IBMO's dividend yield for the trailing twelve months is around 2.39%, less than MYMG's 2.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF	2.39%	2.37%	2.15%	1.65%	0.89%	0.62%	1.03%	1.01%
MYMG State Street My2027 Municipal Bond ETF	2.88%	3.03%	0.89%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IBMO and MYMG in my portfolio?

IBMO and MYMG have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IBMO or MYMG?

IBMO has higher volatility (0.19%) compared to MYMG (0.17%). In terms of maximum drawdown, IBMO dropped -14.77% vs MYMG's -2.31%.

Which ETF is better, IBMO or MYMG?

On 1-year performance, MYMG leads with 3.89% vs 2.78% for IBMO. On fees, IBMO is cheaper at 0.18% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBMO or MYMG?

Over the 1-year period, MYMG has performed better with a 3.89% return vs 2.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBMO or MYMG?

IBMO is cheaper with a 0.18% expense ratio, compared with 0.20% for MYMG.

Which ETF pays a higher dividend yield, IBMO or MYMG?

MYMG has the higher dividend yield at 2.88%, compared with 2.39% for IBMO.

What is the main difference between IBMO and MYMG?

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

Which has better risk-adjusted returns?

MYMG currently has the higher Sharpe Ratio (4.80 vs 2.54), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.