TAFIvsMYMKETF Comparison
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AB Tax-Aware Short Duration Municipal ETF (TAFI) and State Street SPDR My2031 Municipal Bond ETF (MYMK) belong to the same industry segment: Municipal Bonds. TAFI's top 3 sector exposures are Municipal, Industrials and Consumer Non-Cyclicals. In contrast, MYMK's top sector exposures are Municipal. TAFI is more expensive with a Total Expense Ratio (TER) of 0.27%, versus 0.2% for MYMK. TAFI is up 1.29% year-to-date (YTD) with +$316M in YTD flows. MYMK performs worse with 0.1% YTD performance, and +$6M in YTD flows. Run a side-by-side ETF comparison of TAFI and MYMK 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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TAFI vs MYMK performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TAFI MYMK | +0.31%-0.11% | +0.24%-0.55% | +1.29%+0.10% | +2.46%n/a | +11.13%n/a | n/an/a |
| Flows | TAFI MYMK | +$5M- | +$123M+$1M | +$316M+$6M | +$520M- | +$1.18B- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TAFI MYMK | +0.88%+1.46% | +0.94%n/a | +1.39%n/a | n/an/a |
| Max drawdown | TAFI MYMK | -0.60%-1.13% | -1.17%n/a | -1.71%n/a | n/an/a |
| Max drawdown duration | TAFI MYMK | 56d57d | 116dn/a | 59dn/a | n/an/a |
Trading data
TAFI | MYMK | |
Last sale 9/2/2026 at 1:30 PM | $24.97 | $24.66 |
| Previous close 09/01/2026 | $24.98 | $24.68 |
| Consolidated volume 09/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
TAFI | MYMK | |
|---|---|---|
| Last price | $24.97 | $24.66 |
| 1D performance | -0.04% | -0.06% |
| AuM | $1.38 B | $11.10 M |
| E/R | 0.27% | 0.2% |
Characteristics
TAFI | MYMK | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | AllianceBernstein | State Street Investment Management |
| Benchmark | - | - |
| N° of holdings | 244 | 41 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 13, 2022 | September 17, 2025 |
| ESG | No | No |
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Exposure
Countries
TAFI
USA
39.87%
Other
60.13%
MYMK
USA
39.57%
Other
60.43%
Sectors
TAFI
Municipal
39.34%
Other
60.66%
MYMK
Municipal
39.57%
Other
60.43%
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Diversification
TAFI
Total weight of top 15 holdings out of 15
12.69%
MYMK
Total weight of top 15 holdings out of 15
41.5%
Top 15 holdings
Data as of July 31, 2026
TAFI
Pennsylvania Economic Development Financing Authority, FRN 15may2053, USD
1.52%
US040507QB45
1.40%
US7485082P22
1.16%
City of New York, 5% 1feb2032, USD (2026)
1.04%
Colorado Health Facilities Authority, 5% 1sep2032, USD (2025A)
0.82%
Illinois Finance Authority, FRN 15nov2037, USD (2018)
0.76%
Revere, 4% 29jul2027, USD
0.74%
Miami-Dade School District, 4% 7jan2027, USD (2026)
0.74%
US574193XM57
0.73%
US09182TKL07
0.73%
New York Transitional Finance Authority, 5% 1nov2030, USD (2026)
0.71%
US544657JD25
0.67%
Orchard Park Central School District, 4% 30apr2027, USD (2026)
0.57%
US67756CGX02
0.56%
City of Los Angeles, 5% 24jun2027, USD (2026)
0.52%
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%
Frequently asked questions about TAFI and MYMK
How have the TAFI and MYMK ETFs performed in 2026?
As of August 31, 2026, TAFI is up 1.29% year-to-date (YTD), while MYMK has returned 0.1%. That puts TAFI better performer ahead so far this year.
Which ETF is attracting more investor money: TAFI or MYMK?
Year-to-date, the TAFI ETF saw +$316M in flows, compared to +$6M for MYMK.
Which ETF is bigger: TAFI or MYMK?
As of August 31, 2026, TAFI holds $1.38 B in assets under management (AUM), while MYMK manages $11.10 M.
What sectors do the TAFI and MYMK ETFs invest in?
TAFI leans toward sectors like Municipal. Meanwhile, MYMK focuses on Municipal.
What are the top holdings of the TAFI ETF and MYMK ETF?
TAFI top holdings include Pennsylvania Economic Development Financing Authority, FRN 15may2053, USD, US040507QB45 and US7485082P22. MYMK holds in its top three: County of Harris, 5% 15aug2031, USD (2018A), US915260FC21 and US13068XBJ72.
Which ETF is more diversified: TAFI or MYMK?
TAFI holds 691 securities with 12.69% of its assets in the top 15. MYMK has 83 securities and a top 15 weight of 41.5%.
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