TAXFvsBSSXETF Comparison
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American Century Diversified Municipal Bond ETF (TAXF) and Invesco BulletShares 2033 Municipal Bond ETF (BSSX) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. TAXF is more expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.18% for BSSX. TAXF is up 0.1% year-to-date (YTD) with +$143M in YTD flows. BSSX performs worse with -0.88% YTD performance, and +$31M in YTD flows. Run a side-by-side ETF comparison of TAXF 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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TAXF vs BSSX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TAXF BSSX | -0.79%-0.78% | -1.55%-1.82% | +0.10%-0.88% | +4.52%+3.68% | +11.22%n/a | +3.20%n/a |
| Flows | TAXF BSSX | +$5M+$8M | +$38M+$15M | +$143M+$31M | +$193M+$51M | +$348M- | +$554M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TAXF BSSX | +2.75%+2.72% | +2.59%+2.68% | +3.77%n/a | +3.72%n/a |
| Max drawdown | TAXF BSSX | -2.50%-2.59% | -2.70%-3.13% | -5.30%n/a | -13.26%n/a |
| Max drawdown duration | TAXF BSSX | 58d57d | 114d184d | 275dn/a | 1001dn/a |
Trading data
TAXF | BSSX | |
Last sale 9/2/2026 at 1:30 PM | $49.31 | $25.03 |
| Previous close 09/01/2026 | $49.33 | $24.98 |
| Consolidated volume 09/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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TAXF
is actively managed and doesn’t replicate an indexTAXF | 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 9/2/2026 at 1:30 PM
Live
Closed
TAXF | BSSX | |
|---|---|---|
| Last price | $49.31 | $25.03 |
| 1D performance | -0.05% | +0.19% |
| AuM | $680.13 M | $139.85 M |
| E/R | 0.25% | 0.18% |
Characteristics
TAXF | BSSX | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | American Century Investments | Invesco |
| Benchmark | - | Invesco BulletShares USD Municipal Bond 2033 Index |
| N° of holdings | 253 | 458 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 10, 2018 | September 20, 2023 |
| ESG | No | No |
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Exposure
Countries
TAXF
USA
37.04%
Other
62.96%
BSSX
USA
35.51%
Other
64.49%
Sectors
TAXF
Municipal
37.04%
Other
62.96%
BSSX
Municipal
35.51%
Other
64.49%
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Diversification
TAXF
Total weight of top 15 holdings out of 15
8.47%
BSSX
Total weight of top 15 holdings out of 15
5.81%
Top 15 holdings
Data as of July 31, 2026
TAXF
US74442PN840
0.89%
Build NYC Resource Corp., 5.25% 15dec2031, USD (2026B-3)
0.87%
Arkansas Development Finance Authority, 4% 1sep2046, USD (2026A)
0.73%
US60637GRY79
0.65%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.57%
US646080ZU81
0.57%
US452252RA98
0.55%
Southeast Alabama Gas Supply District, FRN 1aug2054, USD (A)
0.54%
Black Belt Energy Gas District, 5% 1oct2035, USD (2025)
0.54%
US681725PH47
0.47%
Orlando Utilities Commission, 5% 1oct2048, USD (2023A)
0.46%
US74439YBD22
0.44%
US292723AY90
0.42%
Patriots Energy Group Financing Agency, 5.25% 1oct2054, USD (2023A-1)
0.40%
New York Transitional Finance Authority, 5.5% 1nov2054, USD (2026)
0.39%
BSSX
California, 5.25% 1sep2053, USD
0.53%
County of Jefferson (AL), 5.25% 1oct2045, USD (2024)
0.48%
New York Dormitory Authority, 2% 1jul2033, USD
0.44%
US64613CEG96
0.41%
US709225HB54
0.40%
US64972JCD81
0.40%
Connecticut Health and Educational Facilities Authority, 5% 1jul2033, USD
0.39%
US64613CEH79
0.36%
US472682ZN67
0.36%
US646140ES88
0.35%
US452153HU62
0.34%
US13063CC328
0.34%
California, 5% 1oct2042, USD
0.33%
US64972GE671
0.33%
University of California, 5% 15may2041, USD (2023)
0.33%
Frequently asked questions about TAXF and BSSX
How have the TAXF and BSSX ETFs performed in 2026?
As of September 1, 2026, TAXF is up 0.1% year-to-date (YTD), while BSSX has lost -0.88%. That puts TAXF better performer ahead so far this year.
Which ETF is attracting more investor money: TAXF or BSSX?
Year-to-date, the TAXF ETF saw +$143M in flows, compared to +$31M for BSSX.
Which ETF is more volatile: TAXF or BSSX?
Over the past year, TAXF had a volatility of 2.59%, while BSSX experienced 2.68%.
Which ETF is bigger: TAXF or BSSX?
As of September 1, 2026, TAXF holds $680.13 M in assets under management (AUM), while BSSX manages $139.85 M.
What sectors do the TAXF and BSSX ETFs invest in?
TAXF leans toward sectors like Municipal. Meanwhile, BSSX focuses on Municipal.
What are the top holdings of the TAXF ETF and BSSX ETF?
TAXF top holdings include US74442PN840, Build NYC Resource Corp., 5.25% 15dec2031, USD (2026B-3) and Arkansas Development Finance Authority, 4% 1sep2046, USD (2026A). 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: TAXF or BSSX?
TAXF holds 785 securities with 8.47% of its assets in the top 15. BSSX has 1599 securities and a top 15 weight of 5.81%.
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