BSMYvsAMUNETF Comparison
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Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and abrdn Ultra Short Municipal Income Active ETF (AMUN) belong to the same industry segment: Municipal Bonds. BSMY's top 1 sector exposures are Municipal. In contrast, AMUN's top sector exposures are Municipal and Non-Corporate. BSMY is less expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.74% for AMUN. BSMY is down -2.77% year-to-date (YTD) with +$67M in YTD flows. AMUN performs better with 1.98% YTD performance, and +$29M in YTD flows. Run a side-by-side ETF comparison of BSMY and AMUN 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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BSMY vs AMUN performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BSMY AMUN | -0.05%+0.10% | -4.08%+0.44% | -2.77%+1.98% | -1.77%+2.58% | n/an/a | n/an/a |
| Flows | BSMY AMUN | +$14M+$3M | +$21M+$5M | +$67M+$29M | +$89M+$58M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BSMY AMUN | +5.93%+0.47% | +3.79%+0.32% | n/an/a | n/an/a |
| Max drawdown | BSMY AMUN | -6.98%-0.31% | -7.85%-0.31% | n/an/a | n/an/a |
| Max drawdown duration | BSMY AMUN | 92d36d | 228d36d | n/an/a | n/an/a |
Trading data
BSMY | AMUN | |
Last sale 10/16/2026 at 1:30 PM | $23.27 | $26.00 |
| Previous close 10/15/2026 | $23.26 | $25.99 |
| 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 October 17, 2026
1-year trailing difference
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AMUN
is actively managed and doesn’t replicate an indexBSMY | AMUN | |
|---|---|---|
| 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
BSMY | AMUN | |
|---|---|---|
| Last price | $23.27 | $26.00 |
| 1D performance | +0.06% | +0.08% |
| AuM | $153.14 M | $58.20 M |
| E/R | 0.18% | 0.74% |
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Exposure
Countries
BSMY
USA
29.17%
Other
70.83%
AMUN
USA
27.85%
Other
72.15%
Sectors
BSMY
Municipal
29.17%
Other
70.83%
AMUN
Municipal
27.62%
Other
72.38%
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Diversification
BSMY
Total weight of top 15 holdings out of 15
5.69%
AMUN
Total weight of top 15 holdings out of 15
46.38%
Top 15 holdings
Data as of August 31, 2026
BSMY
New York Dormitory Authority, 5.5% 1jul2054, USD (2024A)
0.61%
Triborough Bridge and Tunnel Authority, 5.25% 15may2064, USD (2024A-1)
0.52%
Los Angeles Unified School District, 5% 1jul2034, USD (2024A)
0.50%
New York Municipal Water Finance Authority, 5.25% 15jun2053, USD (2025)
0.44%
Massachusetts, 5% 1jan2054, USD (2024)
0.44%
Triborough Bridge and Tunnel Authority, 3% 15nov2034, USD
0.40%
University of Missouri System Facilities, 5% 1nov2034, USD (2024)
0.40%
South Carolina Public Service Authority, 5.25% 1dec2054, USD (2024)
0.35%
US64972JGW27
0.31%
US89602HHH30
0.30%
North Carolina Turnpike Authority, 5% 1jan2058, USD (2024A)
0.29%
US59260XCG16
0.28%
US65000B8S01
0.28%
US97705MJ897
0.28%
US57584Y7K96
0.27%
AMUN
US46640KYU23
3.99%
US230589AB90
3.68%
Chandler Industrial Development Authority, 5% 1sep2052, USD (2022-2)
3.66%
Newark, 4.25% 5may2027, USD (2026)
3.64%
US478232SD45
3.64%
US88035TZV50
3.62%
US7386297S79
3.62%
US64972GU289
3.26%
Mississippi Business Finance Corp., FRN 1nov2032, USD (2007A)
2.97%
US414008CX87
2.67%
Main Street Natural Gas Inc., 4% 1may2052, USD
2.59%
US546598AB98
2.54%
PEFA Inc., 5% 1sep2049, USD (2019)
2.27%
US06964KAB26
2.17%
US20774YV531
2.06%
Frequently asked questions about BSMY and AMUN
How have the BSMY and AMUN ETFs performed in 2026?
As of October 15, 2026, BSMY is down -2.77% year-to-date (YTD), while AMUN has returned 1.98%. That puts AMUN better performer ahead so far this year.
Which ETF is attracting more investor money: BSMY or AMUN?
Year-to-date, the BSMY ETF saw +$67M in flows, compared to +$29M for AMUN.
Which ETF is more volatile: BSMY or AMUN?
Over the past year, BSMY had a volatility of 3.79%, while AMUN experienced 0.32%.
Which ETF is bigger: BSMY or AMUN?
As of October 15, 2026, BSMY holds $153.14 M in assets under management (AUM), while AMUN manages $58.20 M.
What sectors do the BSMY and AMUN ETFs invest in?
BSMY leans toward sectors like Municipal. Meanwhile, AMUN focuses on Municipal.
What are the top holdings of the BSMY ETF and AMUN ETF?
BSMY top holdings include New York Dormitory Authority, 5.5% 1jul2054, USD (2024A), Triborough Bridge and Tunnel Authority, 5.25% 15may2064, USD (2024A-1) and Los Angeles Unified School District, 5% 1jul2034, USD (2024A). AMUN holds in its top three: US46640KYU23, US230589AB90 and Chandler Industrial Development Authority, 5% 1sep2052, USD (2022-2).
Which ETF is more diversified: BSMY or AMUN?
BSMY holds 1972 securities with 5.69% of its assets in the top 15. AMUN has 68 securities and a top 15 weight of 46.38%.
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