MYMKvsJMUBETF Comparison
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State Street SPDR My2031 Municipal Bond ETF (MYMK) and JPMorgan Municipal ETF (JMUB) belong to the same industry segment: Municipal Bonds. MYMK's top 1 sector exposures are Municipal. In contrast, JMUB's top sector exposures are Municipal and Sovereign. MYMK is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.18% for JMUB. MYMK is up 0.06% year-to-date (YTD) with +$6M in YTD flows. JMUB performs worse with -0.22% YTD performance, and +$2.41B in YTD flows. Run a side-by-side ETF comparison of MYMK and JMUB 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 JMUB 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 JMUB | -0.16%-0.58% | -0.69%-1.55% | +0.06%-0.22% | n/a+3.24% | n/a+10.47% | n/a+3.65% |
| Flows | MYMK JMUB | -+$363M | +$1M+$1.11B | +$6M+$2.41B | -+$5.35B | -+$8.23B | -+$8.80B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MYMK JMUB | +1.44%+2.39% | n/a+2.27% | n/a+3.18% | n/a+3.14% |
| Max drawdown | MYMK JMUB | -1.13%-2.12% | n/a-2.48% | n/a-4.05% | n/a-11.93% |
| Max drawdown duration | MYMK JMUB | 58d58d | n/a120d | n/a270d | n/a1046d |
Trading data
MYMK | JMUB | |
Last sale 9/3/2026 at 1:30 PM | $24.67 | |
| Previous close 09/02/2026 | $24.66 | |
| 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 | JMUB | |
|---|---|---|
| Last price | $24.67 | – |
| 1D performance | +0.04% | – |
| AuM | $11.10 M | $8.68 B |
| E/R | 0.2% | 0.18% |
Characteristics
MYMK | JMUB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | State Street Investment Management | J.P. Morgan Asset Management |
| Benchmark | - | - |
| N° of holdings | 41 | 604 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 17, 2025 | October 29, 2018 |
| ESG | No | No |
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Exposure
Countries
MYMK
USA
39.57%
Other
60.43%
JMUB
USA
40.58%
Other
59.42%
Sectors
MYMK
Municipal
39.57%
Other
60.43%
JMUB
Municipal
39.16%
Other
60.84%
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Diversification
MYMK
Total weight of top 15 holdings out of 15
41.5%
JMUB
Total weight of top 15 holdings out of 15
9.09%
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%
JMUB
USA, Bills 0% 11aug2026, USD (119D)
1.42%
US25477GZQ18
0.74%
Black Belt Energy Gas District, 5% 1dec2034, USD (2026)
0.72%
California Community Choice Financing Authority, 5% 1mar2036, USD (2026B)
0.64%
California Health Facilities Financing Authority, 5% 15aug2065, USD (2026B-3)
0.64%
US796242WD34
0.62%
Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2)
0.60%
California Community Choice Financing Authority, 5.25% 1feb2036, USD (2026C)
0.58%
US64972JP283
0.52%
US20775DYT35
0.50%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.44%
US917393CY40
0.44%
US542691KA76
0.42%
US09182TEN37
0.40%
US13013JHG40
0.40%
Frequently asked questions about MYMK and JMUB
How have the MYMK and JMUB ETFs performed in 2026?
As of September 2, 2026, MYMK is up 0.06% year-to-date (YTD), while JMUB has lost -0.22%. That puts MYMK better performer ahead so far this year.
Which ETF is attracting more investor money: MYMK or JMUB?
Year-to-date, the MYMK ETF saw +$6M in flows, compared to +$2.41B for JMUB.
Which ETF is bigger: MYMK or JMUB?
As of September 2, 2026, MYMK holds $11.10 M in assets under management (AUM), while JMUB manages $8.68 B.
What sectors do the MYMK and JMUB ETFs invest in?
MYMK leans toward sectors like Municipal. Meanwhile, JMUB focuses on Municipal.
What are the top holdings of the MYMK ETF and JMUB ETF?
MYMK top holdings include County of Harris, 5% 15aug2031, USD (2018A), US915260FC21 and US13068XBJ72. JMUB holds in its top three: USA, Bills 0% 11aug2026, USD (119D), US25477GZQ18 and Black Belt Energy Gas District, 5% 1dec2034, USD (2026).
Which ETF is more diversified: MYMK or JMUB?
MYMK holds 83 securities with 41.5% of its assets in the top 15. JMUB has 2070 securities and a top 15 weight of 9.09%.
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