TAXF vs. THYM
TAXF (American Century Diversified Municipal Bond ETF) and THYM (T. Rowe Price High Income Municipal ETF) are both exchange-traded funds - TAXF is a Municipal Bonds fund actively managed by American Century, while THYM is a High Yield Muni fund actively managed by T. Rowe Price. Both are actively managed. Their 0.71 correlation means they have sometimes moved together and sometimes differently. TAXF charges 0.29%/yr vs 0.32%/yr for THYM.
Performance
TAXF vs. THYM - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, TAXF achieves a 0.84% return, which is significantly lower than THYM's 2.25% return.
TAXF
- 1D
- -0.12%
- 1M
- -1.76%
- 6M
- -0.01%
- YTD
- 0.84%
- 1Y
- 5.48%
- 3Y*
- 3.54%
- 5Y*
- 0.68%
- 10Y*
- —
- ALL TIME*
- 2.67%
THYM
- 1D
- 0.00%
- 1M
- -2.31%
- 6M
- 1.43%
- YTD
- 2.25%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $2.10M | $2.57M | $2.35M | |
| $170.69K | $138.29K | $131.50K |
TAXF vs. THYM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
TAXF American Century Diversified Municipal Bond ETF | 0.84% | 0.27% |
THYM T. Rowe Price High Income Municipal ETF | 2.25% | 0.25% |
Correlation
The correlation between TAXF and THYM is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Nov 20, 2025 | 0.71 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TAXF vs. THYM — Risk / Return Rank
TAXF
THYM
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
TAXF vs. THYM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Diversified Municipal Bond ETF (TAXF) and T. Rowe Price High Income Municipal ETF (THYM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| TAXF | THYM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.43 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 2.15 | — | — |
| Martin ratioReturn relative to average drawdown | 7.30 | — | — |
Loading charts...
Drawdowns
TAXF vs. THYM - Drawdown Comparison
The maximum TAXF drawdown since its inception was -13.93%, which is greater than THYM's maximum drawdown of -2.93%. Use the drawdown chart below to compare losses from any high point for TAXF and THYM.
Loading charts...
Drawdown Indicators
| TAXF | THYM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.93% | -2.93% | -11.00% |
Max Drawdown (1Y)Largest decline over 1 year | -2.93% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -5.53% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -13.83% | — | — |
Current DrawdownCurrent decline from peak | -1.80% | -2.31% | +0.51% |
Average DrawdownAverage peak-to-trough decline | -3.09% | -0.55% | -2.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.86% | — | — |
Volatility
TAXF vs. THYM - Volatility Comparison
Loading charts...
Volatility by Period
| TAXF | THYM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.22% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 2.53% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 3.14% | 4.41% | -1.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.24% | 4.41% | -0.17% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.63% | 4.41% | +0.22% |
TAXF vs. THYM - Expense Ratio Comparison
TAXF has a 0.29% expense ratio, which is lower than THYM's 0.32% expense ratio.
Dividends
TAXF vs. THYM - Dividend Comparison
TAXF's dividend yield for the trailing twelve months is around 3.84%, more than THYM's 2.99% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
TAXF American Century Diversified Municipal Bond ETF | 3.51% | 3.68% | 3.38% | 2.93% | 2.05% | 1.58% | 2.13% | 2.64% | 0.69% |
THYM T. Rowe Price High Income Municipal ETF | 2.99% | 0.37% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
TAXF and THYM have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, TAXF is cheaper at 0.29% per year. The better choice depends on whether you care most about return, fees, risk, or income.
TAXF is cheaper with a 0.29% expense ratio, compared with 0.32% for THYM.
TAXF has the higher dividend yield at 3.51%, compared with 2.99% for THYM.
TAXF is categorized as Municipal Bonds, while THYM is High Yield Muni. They also come from different issuers: American Century and T. Rowe Price. Their fees differ too: 0.29% for TAXF and 0.32% for THYM.
Find the right allocation for TAXF and THYM
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer