MYMKvsCGMUETF Comparison
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State Street SPDR My2031 Municipal Bond ETF (MYMK) and Capital Group Municipal Income ETF (CGMU) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. MYMK is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.27% for CGMU. MYMK is up 0.06% year-to-date (YTD) with +$6M in YTD flows. CGMU performs better with 0.13% YTD performance, and +$2.06B in YTD flows. Run a side-by-side ETF comparison of MYMK and CGMU 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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MYMK vs CGMU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MYMK CGMU | -0.16%-0.47% | -0.69%-1.34% | +0.06%+0.13% | n/a+3.60% | n/a+12.98% | n/an/a |
| Flows | MYMK CGMU | -+$327M | +$1M+$735M | +$6M+$2.06B | -+$2.87B | -+$6.56B | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MYMK CGMU | +1.44%+2.23% | n/a+2.13% | n/a+3.07% | n/an/a |
| Max drawdown | MYMK CGMU | -1.13%-1.85% | n/a-2.54% | n/a-4.07% | n/an/a |
| Max drawdown duration | MYMK CGMU | 58d58d | n/a185d | n/a174d | n/an/a |
Trading data
MYMK | CGMU | |
Last sale 9/3/2026 at 1:30 PM | $24.67 | $26.80 |
| Previous close 09/02/2026 | $24.66 | $26.81 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
MYMK | CGMU | |
|---|---|---|
| Last price | $24.67 | $26.80 |
| 1D performance | +0.04% | -0.04% |
| AuM | $11.10 M | $6.72 B |
| E/R | 0.2% | 0.27% |
Characteristics
MYMK | CGMU | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | State Street Investment Management | Capital Group |
| Benchmark | - | - |
| N° of holdings | 41 | 630 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 17, 2025 | October 25, 2022 |
| ESG | No | No |
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Exposure
Countries
MYMK
USA
39.57%
Other
60.43%
CGMU
USA
40.18%
Other
59.82%
Sectors
MYMK
Municipal
39.57%
Other
60.43%
CGMU
Municipal
40.18%
Other
59.82%
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Diversification
MYMK
Total weight of top 15 holdings out of 15
41.5%
CGMU
Total weight of top 15 holdings out of 15
6.97%
Top 15 holdings
Data as of July 31, 2026
MYMK
County of Harris, 5% 15aug2031, USD (2018A)
3.69%
US915260FC21
3.63%
US13068XBJ72
3.51%
US544532DF87
3.27%
US166394FB70
2.93%
US45528US858
2.88%
US80189RFG56
2.77%
US61334PFP36
2.66%
US4787182E83
2.56%
Connecticut, 5% 1may2041, USD
2.49%
Alabama Public School and College Authority, 5% 1nov2034, USD (2020-A)
2.44%
US54641CAM73
2.23%
US2077583E11
2.20%
State of Ohio, 5% 15jun2034, USD (2021A)
2.13%
US426362NK18
2.11%
CGMU
Puerto Rico, FRN 1nov2043, USD
0.80%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.67%
New York Municipal Water Finance Authority, FRN 15jun2053, USD (2023)
0.56%
City of New York, 9% 15aug2015, USD
0.54%
Black Belt Energy Gas District, 5.25% 1jun2036, USD (2026)
0.51%
New York Municipal Water Finance Authority, FRN 15jun2050, USD
0.46%
US6133408D38
0.44%
California Community Choice Financing Authority, 5% 1jun2036, USD (2026F)
0.43%
Black Belt Energy Gas District, 5% 1jul2033, USD (2026)
0.42%
US57421CLT98
0.39%
US13034A7F19
0.38%
US89602RKE44
0.36%
Texas Municipal Gas Acquisition and Supply Corp., 5.25% 1mar2037, USD (2026A)
0.35%
Puerto Rico, FRN 1nov2051, USD
0.33%
New Jersey Health Care Facilities Financing Authority, 5% 1jul2029, USD (2026A)
0.33%
Frequently asked questions about MYMK and CGMU
How have the MYMK and CGMU ETFs performed in 2026?
As of September 2, 2026, MYMK is up 0.06% year-to-date (YTD), while CGMU has returned 0.13%. That puts CGMU better performer ahead so far this year.
Which ETF is attracting more investor money: MYMK or CGMU?
Year-to-date, the MYMK ETF saw +$6M in flows, compared to +$2.06B for CGMU.
Which ETF is bigger: MYMK or CGMU?
As of September 2, 2026, MYMK holds $11.10 M in assets under management (AUM), while CGMU manages $6.72 B.
What sectors do the MYMK and CGMU ETFs invest in?
MYMK leans toward sectors like Municipal. Meanwhile, CGMU focuses on Municipal.
What are the top holdings of the MYMK ETF and CGMU ETF?
MYMK top holdings include County of Harris, 5% 15aug2031, USD (2018A), US915260FC21 and US13068XBJ72. CGMU holds in its top three: Puerto Rico, FRN 1nov2043, USD, Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD and New York Municipal Water Finance Authority, FRN 15jun2053, USD (2023).
Which ETF is more diversified: MYMK or CGMU?
MYMK holds 83 securities with 41.5% of its assets in the top 15. CGMU has 2218 securities and a top 15 weight of 6.97%.
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