SUBvsMYMIETF Comparison
VS
iShares Short-Term National Muni Bond ETF (SUB) and State Street SPDR My2029 Municipal Bond ETF (MYMI) belong to the same industry segment: Municipal Bonds. SUB's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MYMI's top sector exposures are Municipal. SUB is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.2% for MYMI. SUB is up 1.03% year-to-date (YTD) with +$1.29B in YTD flows. MYMI performs worse with 0.9% YTD performance, and +$2M in YTD flows. Run a side-by-side ETF comparison of SUB and MYMI below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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SUB vs MYMI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SUB MYMI | +0.15%+0.01% | +0.19%-0.15% | +1.03%+0.90% | +1.71%+2.85% | +9.19%n/a | +7.64%n/a |
| Flows | SUB MYMI | +$292M+$1M | +$403M+$1M | +$1.29B+$2M | +$1.48B+$5M | +$2.23B- | +$5.78B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SUB MYMI | +0.79%+1.03% | +0.78%+1.09% | +1.09%n/a | +1.15%n/a |
| Max drawdown | SUB MYMI | -0.46%-0.74% | -0.81%-1.26% | -1.33%n/a | -4.11%n/a |
| Max drawdown duration | SUB MYMI | 35d58d | 117d120d | 52dn/a | 804dn/a |
Trading data
SUB | MYMI | |
Last sale 9/3/2026 at 1:30 PM | $105.88 | $24.32 |
| Previous close 09/02/2026 | $105.91 | $24.46 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 3, 2026
1-year trailing difference
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MYMI
is actively managed and doesn’t replicate an indexSUB | MYMI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
SUB | MYMI | |
|---|---|---|
| Last price | $105.88 | $24.32 |
| 1D performance | -0.03% | -0.57% |
| AuM | $11.60 B | $14.65 M |
| E/R | 0.07% | 0.2% |
Characteristics
SUB | MYMI | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | State Street Investment Management |
| Benchmark | ICE Short Maturity AMT-Free US National Municipal Index | - |
| N° of holdings | 1231 | 59 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 5, 2008 | September 23, 2024 |
| ESG | No | No |
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Exposure
Countries
SUB
USA
49.36%
Other
50.64%
MYMI
USA
51.18%
Other
48.82%
Sectors
SUB
Municipal
49.36%
Other
50.64%
MYMI
Municipal
51.18%
Other
48.82%
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Diversification
SUB
Total weight of top 15 holdings out of 15
3.53%
MYMI
Total weight of top 15 holdings out of 15
32.91%
Top 15 holdings
Data as of July 31, 2026
SUB
New Jersey Economic Development Authority, 5% 1mar2028, USD (2023)
0.37%
US13063EDB92
0.28%
Empire State Development Corp., 5% 15sep2028, USD (2022A)
0.25%
US91412HWB58
0.25%
US646140JM63
0.24%
California, 5% 1nov2027, USD
0.24%
California, 5% 1apr2029, USD
0.24%
US373385QU02
0.22%
Massachusetts, 5.5% 1aug2030, USD (2004A)
0.21%
City of New York, 5.75% 15may2012, USD
0.21%
US207758Y563
0.21%
New York Transitional Finance Authority, 5% 1nov2030, USD (2026)
0.21%
Pennsylvania, 5% 1mar2028, USD
0.20%
US495290ET12
0.20%
New Jersey, 4% 1jun2030, USD
0.20%
MYMI
US97705MT888
3.34%
Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A)
2.37%
US298245MR91
2.37%
US46256QPK66
2.36%
US68607V4W22
2.36%
US050195WC67
2.34%
State of Delaware, 5% 1feb2032, USD (2019A)
2.34%
New York Municipal Water Finance Authority, 5% 15jun2040, USD
2.31%
US181059R735
2.28%
Weld School District №6, 5% 1dec2032, USD
2.01%
West Virginia, 5% 1sep2029, USD
1.82%
Hamilton (OH), 5% 1dec2029, USD (2016A)
1.79%
State of Utah, 5% 1jul2029, USD (2020)
1.76%
US924166KS98
1.74%
US49126PGR55
1.73%
Frequently asked questions about SUB and MYMI
How have the SUB and MYMI ETFs performed in 2026?
As of September 2, 2026, SUB is up 1.03% year-to-date (YTD), while MYMI has returned 0.9%. That puts SUB better performer ahead so far this year.
Which ETF is attracting more investor money: SUB or MYMI?
Year-to-date, the SUB ETF saw +$1.29B in flows, compared to +$2M for MYMI.
Which ETF is more volatile: SUB or MYMI?
Over the past year, SUB had a volatility of 0.78%, while MYMI experienced 1.09%.
Which ETF is bigger: SUB or MYMI?
As of September 2, 2026, SUB holds $11.60 B in assets under management (AUM), while MYMI manages $14.65 M.
What sectors do the SUB and MYMI ETFs invest in?
SUB leans toward sectors like Municipal. Meanwhile, MYMI focuses on Municipal.
What are the top holdings of the SUB ETF and MYMI ETF?
SUB top holdings include New Jersey Economic Development Authority, 5% 1mar2028, USD (2023), US13063EDB92 and Empire State Development Corp., 5% 15sep2028, USD (2022A). MYMI holds in its top three: US97705MT888, Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A) and US298245MR91.
Which ETF is more diversified: SUB or MYMI?
SUB holds 2867 securities with 3.53% of its assets in the top 15. MYMI has 104 securities and a top 15 weight of 32.91%.
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Latest news about SUB & MYMI
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