MYMIvsIBMRETF Comparison
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State Street SPDR My2029 Municipal Bond ETF (MYMI) and iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR) belong to the same industry segment: Municipal Bonds. MYMI's top 1 sector exposures are Municipal. In contrast, IBMR's top sector exposures are Municipal and Non-Corporate. MYMI is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.1% for IBMR. MYMI is up 0.03% year-to-date (YTD) with +$2M in YTD flows. IBMR performs better with 0.09% YTD performance, and +$139M in YTD flows. Run a side-by-side ETF comparison of MYMI and IBMR 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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MYMI vs IBMR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MYMI IBMR | -0.13%-0.03% | -1.16%-0.73% | +0.03%+0.09% | +0.64%+0.54% | n/a+12.70% | n/an/a |
| Flows | MYMI IBMR | -+$22M | +$1M+$50M | +$2M+$139M | +$2M+$213M | -+$506M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MYMI IBMR | +2.72%+2.33% | +1.62%+1.50% | n/a+2.41% | n/an/a |
| Max drawdown | MYMI IBMR | -2.88%-2.47% | -2.98%-2.75% | n/a-2.98% | n/an/a |
| Max drawdown duration | MYMI IBMR | 64d52d | 102d232d | n/a212d | n/an/a |
Trading data
MYMI | IBMR | |
Last sale 10/16/2026 at 1:30 PM | $24.00 | $24.96 |
| Previous close 10/15/2026 | $23.99 | $24.93 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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MYMI
is actively managed and doesn’t replicate an indexMYMI | IBMR | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
MYMI | IBMR | |
|---|---|---|
| Last price | $24.00 | $24.96 |
| 1D performance | +0.04% | +0.12% |
| AuM | $14.48 M | $507.40 M |
| E/R | 0.2% | 0.1% |
Characteristics
MYMI | IBMR | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | - | S&P AMT-Free Municipal Series Callable-Adjusted Dec 2029 Index |
| N° of holdings | 62 | 820 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 23, 2024 | May 9, 2023 |
| ESG | No | No |
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Exposure
Countries
MYMI
USA
49.73%
Other
50.27%
IBMR
USA
51.44%
Other
48.56%
Sectors
MYMI
Municipal
49.73%
Other
50.27%
IBMR
Municipal
50.4%
Other
49.6%
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Diversification
MYMI
Total weight of top 15 holdings out of 15
30.43%
IBMR
Total weight of top 15 holdings out of 15
6.71%
Top 15 holdings
Data as of August 31, 2026
MYMI
US97705MT888
3.06%
Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A)
2.18%
US298245MR91
2.17%
US46256QPK66
2.16%
US68607V4W22
2.16%
US050195WC67
2.14%
State of Delaware, 5% 1feb2032, USD (2019A)
2.14%
Weld School District №6, 5% 1dec2032, USD
2.13%
New York Municipal Water Finance Authority, 5% 15jun2040, USD
2.12%
US181059R735
2.09%
West Virginia, 5% 1sep2029, USD
1.67%
Hamilton (OH), 5% 1dec2029, USD (2016A)
1.64%
State of Utah, 5% 1jul2029, USD (2020)
1.61%
US924166KS98
1.59%
US49126PGR55
1.58%
IBMR
BlackRock Liquidity MuniCash
1.04%
US13034A5B23
0.74%
US575829PH38
0.55%
New Jersey, 5% 1jun2029, USD
0.52%
Los Angeles Unified School District, 5% 1jul2029, USD (2026)
0.45%
New York Dormitory Authority, 2.5% 1jul1993, USD
0.39%
Houston, 5% 1jul2029, USD (2018B)
0.38%
Los Angeles Metropolitan Transportation Authority, 5% 1jul2029, USD (2017-A)
0.38%
California, 5% 1oct2029, USD
0.34%
Palm Beach School Board, 5% 1aug2029, USD (2018C)
0.34%
US18085PTF17
0.33%
Pennsylvania, 5% 1apr2029, USD (2026)
0.33%
California, 5% 1sep2029, USD
0.33%
US13063EUP95
0.31%
Contra Costa Transportation Authority, 5% 1mar2029, USD (2018B)
0.29%
Frequently asked questions about MYMI and IBMR
How have the MYMI and IBMR ETFs performed in 2026?
As of October 16, 2026, MYMI is up 0.03% year-to-date (YTD), while IBMR has returned 0.09%. That puts IBMR better performer ahead so far this year.
Which ETF is attracting more investor money: MYMI or IBMR?
Year-to-date, the MYMI ETF saw +$2M in flows, compared to +$139M for IBMR.
Which ETF is more volatile: MYMI or IBMR?
Over the past year, MYMI had a volatility of 1.62%, while IBMR experienced 1.5%.
Which ETF is bigger: MYMI or IBMR?
As of October 16, 2026, MYMI holds $14.48 M in assets under management (AUM), while IBMR manages $507.40 M.
What sectors do the MYMI and IBMR ETFs invest in?
MYMI leans toward sectors like Municipal. Meanwhile, IBMR focuses on Municipal.
What are the top holdings of the MYMI ETF and IBMR ETF?
MYMI top holdings include US97705MT888, Alabama Public School and College Authority, 5% 1nov2029, USD (2020-A) and US298245MR91. IBMR holds in its top three: BlackRock Liquidity MuniCash, US13034A5B23 and US575829PH38.
Which ETF is more diversified: MYMI or IBMR?
MYMI holds 111 securities with 30.43% of its assets in the top 15. IBMR has 1822 securities and a top 15 weight of 6.71%.
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