THYMvsCATFETF Comparison
VS
T. Rowe Price High Income Municipal ETF (THYM) and American Century California Municipal Bond ETF (CATF) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. THYM is more expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.25% for CATF. THYM is up 0.28% year-to-date (YTD) with +$6M in YTD flows. CATF performs worse with -1.13% YTD performance, and +$30M in YTD flows. Run a side-by-side ETF comparison of THYM and CATF 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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THYM vs CATF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/10/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | THYM CATF | -2.73%-2.35% | -2.88%-2.76% | +0.28%-1.13% | n/a+0.76% | n/an/a | n/an/a |
| Flows | THYM CATF | +$1M+$7M | +$4M+$12M | +$6M+$30M | -+$35M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | THYM CATF | +3.70%+3.16% | n/a+2.51% | n/an/a | n/an/a |
| Max drawdown | THYM CATF | -3.92%-3.64% | n/a-3.64% | n/an/a | n/an/a |
| Max drawdown duration | THYM CATF | 67d67d | n/a67d | n/an/a | n/an/a |
Trading data
THYM | CATF | |
Last sale 9/11/2026 at 1:30 PM | $48.81 | $48.41 |
| Previous close 09/10/2026 | $48.70 | $48.27 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
THYM | CATF | |
|---|---|---|
| Last price | $48.81 | $48.41 |
| 1D performance | +0.24% | +0.29% |
| AuM | $27.99 M | $86.87 M |
| E/R | 0.32% | 0.25% |
Characteristics
THYM | CATF | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | T. Rowe Price | American Century Investments |
| Benchmark | - | - |
| N° of holdings | 93 | 107 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 19, 2025 | July 18, 2024 |
| ESG | No | No |
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Exposure
Countries
THYM
USA
42.5%
Other
57.5%
CATF
USA
39.99%
Other
60.01%
Sectors
THYM
Municipal
42.5%
Other
57.5%
CATF
Municipal
39.99%
Other
60.01%
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Diversification
THYM
Total weight of top 15 holdings out of 15
17.54%
CATF
Total weight of top 15 holdings out of 15
12.56%
Top 15 holdings
Data as of July 31, 2026
THYM
US74529JQM08
1.81%
Maryland Economic Development Corp., 5.25% 30jun2052, USD (2022B)
1.69%
Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2)
1.44%
US13078YXQ33
1.19%
Puerto Rico, FRN 1nov2051, USD
1.17%
US717901CE01
1.15%
US246372BC95
1.14%
Tobacco Settlement Financing Corp. (NJ), 5% 1jun2046, USD (2018B)
1.09%
Puerto Rico, 4% 1jul2046, USD
1.04%
US246387RS50
1.03%
US86607JAD63
1.01%
US13048V6W31
1.00%
US574218T373
0.96%
US60416UW684
0.94%
US165588FN90
0.89%
CATF
California, 3.5% 1dec2030, USD
1.46%
Riverside Transportation Commission, 4% 1jun2046, USD
0.95%
California, 4% 1sep2043, USD
0.90%
US684133KT71
0.90%
US13032UN611
0.88%
East AWP Joint Powers Authority, 3.125% 1sep2026, USD (2024A)
0.85%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.84%
California Community Choice Financing Authority, 5.25% 1feb2036, USD (2026C)
0.79%
US13048VV394
0.75%
US13032UX453
0.73%
California Community Choice Financing Authority, 5% 1aug2055, USD (2024C)
0.73%
Desert Community College District, 5% 1aug2051, USD (2016)
0.71%
US544647JV34
0.69%
California Public Works Board, 5% 1sep2033, USD (2024)
0.69%
California Community Choice Financing Authority, 5% 1oct2034, USD (2026G)
0.69%
Frequently asked questions about THYM and CATF
How have the THYM and CATF ETFs performed in 2026?
As of September 10, 2026, THYM is up 0.28% year-to-date (YTD), while CATF has lost -1.13%. That puts THYM better performer ahead so far this year.
Which ETF is attracting more investor money: THYM or CATF?
Year-to-date, the THYM ETF saw +$6M in flows, compared to +$30M for CATF.
Which ETF is bigger: THYM or CATF?
As of September 10, 2026, THYM holds $27.99 M in assets under management (AUM), while CATF manages $86.87 M.
What sectors do the THYM and CATF ETFs invest in?
THYM leans toward sectors like Municipal. Meanwhile, CATF focuses on Municipal.
What are the top holdings of the THYM ETF and CATF ETF?
THYM top holdings include US74529JQM08, Maryland Economic Development Corp., 5.25% 30jun2052, USD (2022B) and Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2). CATF holds in its top three: California, 3.5% 1dec2030, USD, Riverside Transportation Commission, 4% 1jun2046, USD and California, 4% 1sep2043, USD.
Which ETF is more diversified: THYM or CATF?
THYM holds 226 securities with 17.54% of its assets in the top 15. CATF has 303 securities and a top 15 weight of 12.56%.
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