IBMSvsBSSXETF Comparison
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iShares iBonds Dec 2030 Term Muni Bond ETF (IBMS) and Invesco BulletShares 2033 Municipal Bond ETF (BSSX) belong to the same industry segment: Municipal Bonds. IBMS's top 2 sector exposures are Municipal and Non-Corporate. In contrast, BSSX's top sector exposures are Municipal. IBMS is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.18% for BSSX. IBMS is down -0.77% year-to-date (YTD) with +$144M in YTD flows. BSSX performs worse with -2.53% YTD performance, and +$43M in YTD flows. Run a side-by-side ETF comparison of IBMS and BSSX 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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IBMS vs BSSX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMS BSSX | +0.22%-0.11% | -1.08%-3.30% | -0.77%-2.53% | -0.27%-2.03% | n/a+13.06% | n/an/a |
| Flows | IBMS BSSX | +$19M+$10M | +$56M+$22M | +$144M+$43M | +$218M+$61M | -+$148M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMS BSSX | +3.25%+5.38% | +2.09%+3.42% | n/a+4.46% | n/an/a |
| Max drawdown | IBMS BSSX | -3.36%-5.93% | -4.36%-7.19% | n/a-7.19% | n/an/a |
| Max drawdown duration | IBMS BSSX | 67d91d | 235d232d | n/a232d | n/an/a |
Trading data
IBMS | BSSX | |
Last sale 10/20/2026 at 1:30 PM | $25.36 | $24.29 |
| Previous close 10/19/2026 | $25.36 | $24.51 |
| Consolidated volume 10/19/2026 | ||
| 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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IBMS | BSSX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 1:30 PM
Live
Closed
IBMS | BSSX | |
|---|---|---|
| Last price | $25.36 | $24.29 |
| 1D performance | -0.02% | -0.90% |
| AuM | $363.11 M | $148.94 M |
| E/R | 0.1% | 0.18% |
Characteristics
IBMS | BSSX | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted 2030 Index | ICE BulletShares USD Municipal Bond 2033 Index |
| N° of holdings | 491 | 473 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2024 | September 20, 2023 |
| ESG | No | No |
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Exposure
Countries
IBMS
USA
33.92%
Other
66.08%
BSSX
USA
35.24%
Other
64.76%
Sectors
IBMS
Municipal
32.72%
Other
67.28%
BSSX
Municipal
35.24%
Other
64.76%
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Diversification
IBMS
Total weight of top 15 holdings out of 15
7.34%
BSSX
Total weight of top 15 holdings out of 15
5.6%
Top 15 holdings
Data as of August 31, 2026
IBMS
BlackRock Liquidity MuniCash
1.20%
New Jersey, 4% 1jun2030, USD
0.74%
US79625GNF62
0.59%
New York Metropolitan Transportation Authority, 5% 15nov2045, USD (2015A-2)
0.54%
US91412HWB58
0.49%
Connecticut Health and Educational Facilities Authority, 5% 1jul2064, USD (2025B-1)
0.47%
California, 5% 1nov2030, USD
0.42%
US544647MT41
0.40%
US03843TAY73
0.40%
US544647HM52
0.38%
US618024BT98
0.36%
Alabama Public School and College Authority, 5% 1nov2032, USD (2020-A)
0.36%
US419794B842
0.35%
Missouri Highways and Transportation Commission, 5% 1may2030, USD (2022)
0.32%
US39081HHV78
0.32%
BSSX
California, 5.25% 1sep2053, USD
0.51%
County of Jefferson (AL), 5.25% 1oct2045, USD (2024)
0.45%
New York Dormitory Authority, 2% 1jul2033, USD
0.42%
Harris Cultural Education Facilities Finance Corp., 5% 1dec2033, USD (2026A)
0.40%
US64613CEG96
0.39%
US709225HB54
0.38%
Connecticut Health and Educational Facilities Authority, 5% 1jul2033, USD
0.38%
US64972JCD81
0.37%
US64613CEH79
0.35%
US472682ZN67
0.34%
US646140ES88
0.34%
US13063CC328
0.32%
US452153HU62
0.32%
California, 5% 1oct2042, USD
0.32%
US64972GE671
0.32%
Frequently asked questions about IBMS and BSSX
How have the IBMS and BSSX ETFs performed in 2026?
As of October 19, 2026, IBMS is down -0.77% year-to-date (YTD), while BSSX has lost -2.53%. That puts IBMS better performer ahead so far this year.
Which ETF is attracting more investor money: IBMS or BSSX?
Year-to-date, the IBMS ETF saw +$144M in flows, compared to +$43M for BSSX.
Which ETF is more volatile: IBMS or BSSX?
Over the past year, IBMS had a volatility of 2.09%, while BSSX experienced 3.42%.
Which ETF is bigger: IBMS or BSSX?
As of October 19, 2026, IBMS holds $363.11 M in assets under management (AUM), while BSSX manages $148.94 M.
What sectors do the IBMS and BSSX ETFs invest in?
IBMS leans toward sectors like Municipal. Meanwhile, BSSX focuses on Municipal.
What are the top holdings of the IBMS ETF and BSSX ETF?
IBMS top holdings include BlackRock Liquidity MuniCash, New Jersey, 4% 1jun2030, USD and US79625GNF62. BSSX holds in its top three: California, 5.25% 1sep2053, USD, County of Jefferson (AL), 5.25% 1oct2045, USD (2024) and New York Dormitory Authority, 2% 1jul2033, USD.
Which ETF is more diversified: IBMS or BSSX?
IBMS holds 1769 securities with 7.34% of its assets in the top 15. BSSX has 1689 securities and a top 15 weight of 5.6%.
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