MYMJ vs. MUB
MYMJ (State Street My2030 Municipal Bond ETF) and MUB (iShares National AMT-Free Muni Bond ETF) are both Municipal Bonds funds. MYMJ is actively managed, while MUB is passively managed. Over the past year, MYMJ returned 5.24% vs 6.95% for MUB. Their correlation of 0.84 suggests significant overlap in exposure. MYMJ charges 0.20%/yr vs 0.07%/yr for MUB.
Performance
MYMJ vs. MUB - Performance Comparison
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Returns By Period
In the year-to-date period, MYMJ achieves a 1.00% return, which is significantly lower than MUB's 1.24% return.
MYMJ
- 1D
- 0.00%
- 1M
- 0.35%
- YTD
- 1.00%
- 6M
- 1.35%
- 1Y
- 5.24%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MUB
- 1D
- -0.08%
- 1M
- 0.56%
- YTD
- 1.24%
- 6M
- 1.74%
- 1Y
- 6.95%
- 3Y*
- 3.43%
- 5Y*
- 0.86%
- 10Y*
- 2.00%
MYMJ vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
MYMJ State Street My2030 Municipal Bond ETF | 1.00% | 3.98% | -0.82% |
MUB iShares National AMT-Free Muni Bond ETF | 1.24% | 3.78% | -0.78% |
Correlation
The correlation between MYMJ and MUB is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.81 |
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024 | 0.84 |
The correlation between MYMJ and MUB has been stable across timeframes, ranging from 0.81 to 0.84 - a consistent structural relationship.
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Return for Risk
MYMJ vs. MUB — Risk / Return Rank
MYMJ
MUB
MYMJ vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street My2030 Municipal Bond ETF (MYMJ) and iShares National AMT-Free Muni Bond ETF (MUB). 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.
| MYMJ | MUB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.73 | ||
| Sortino ratioReturn per unit of downside risk | +1.46 | ||
| Omega ratioGain probability vs. loss probability | 1.76 | 1.50 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 3.23 | 2.50 | +0.73 |
| Martin ratioReturn relative to average drawdown | 10.78 | 8.85 | +1.93 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MYMJ | MUB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.12 | 2.39 | +0.73 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.21 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.85 | 0.58 | +0.26 |
Drawdowns
MYMJ vs. MUB - Drawdown Comparison
The maximum MYMJ drawdown since its inception was -3.11%, smaller than the maximum MUB drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for MYMJ and MUB.
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Drawdown Indicators
| MYMJ | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.11% | -13.68% | +10.57% |
Max Drawdown (1Y)Largest decline over 1 year | -1.63% | -2.79% | +1.16% |
Max Drawdown (3Y)Largest decline over 3 years | — | -5.34% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -11.88% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.68% | — |
Current DrawdownCurrent decline from peak | -0.51% | -0.70% | +0.19% |
Average DrawdownAverage peak-to-trough decline | -0.70% | -2.23% | +1.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.49% | 0.79% | -0.30% |
Volatility
MYMJ vs. MUB - Volatility Comparison
The current volatility for State Street My2030 Municipal Bond ETF (MYMJ) is 0.46%, while iShares National AMT-Free Muni Bond ETF (MUB) has a volatility of 0.97%. This indicates that MYMJ experiences smaller price fluctuations and is considered to be less risky than MUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MYMJ | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.46% | 0.97% | -0.51% |
Volatility (6M)Calculated over the trailing 6-month period | 1.17% | 2.22% | -1.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.69% | 2.92% | -1.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.90% | 4.06% | -1.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.90% | 4.92% | -2.02% |
MYMJ vs. MUB - Expense Ratio Comparison
MYMJ has a 0.20% expense ratio, which is higher than MUB's 0.07% 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
MYMJ vs. MUB - Dividend Comparison
MYMJ's dividend yield for the trailing twelve months is around 2.96%, less than MUB's 3.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MUB iShares National AMT-Free Muni Bond ETF | 3.17% | 3.14% | 3.01% | 2.65% | 2.11% | 1.81% | 2.11% | 2.42% | 2.46% | 2.26% | 2.21% | 2.51% |
MYMJ State Street My2030 Municipal Bond ETF | 2.96% | 3.02% | 0.89% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MYMJ and MUB have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MUB has higher volatility (0.97%) compared to MYMJ (0.46%). In terms of maximum drawdown, MYMJ dropped -3.11% vs MUB's -13.68%.
On 1-year performance, MUB leads with 6.95% vs 5.24% for MYMJ. On fees, MUB is cheaper at 0.07% per year. On volatility, MYMJ has been the lower-risk option at 0.46%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, MUB has performed better with a 6.95% return vs 5.24%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MUB is cheaper with a 0.07% expense ratio, compared with 0.20% for MYMJ.
MUB has the higher dividend yield at 3.17%, compared with 2.96% for MYMJ.
They also come from different issuers: State Street and iShares. Their fees differ too: 0.20% for MYMJ and 0.07% for MUB.
MYMJ currently has the higher Sharpe Ratio (3.12 vs 2.39), 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.
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