THYM vs. SCMB
THYM (T. Rowe Price High Income Municipal ETF) and SCMB (Schwab Municipal Bond ETF) are both exchange-traded funds - THYM is a High Yield Muni fund actively managed by T. Rowe Price, while SCMB is a Municipal Bonds fund tracking the ICE AMT-Free Core U.S. National Municipal Index. THYM is actively managed, while SCMB is passively managed. Their 0.69 correlation means they have sometimes moved together and sometimes differently. THYM charges 0.32%/yr vs 0.03%/yr for SCMB.
Performance
THYM vs. SCMB - Performance Comparison
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Returns By Period
In the year-to-date period, THYM achieves a 2.25% return, which is significantly higher than SCMB's 0.06% return.
THYM
- 1D
- 0.00%
- 1M
- -2.31%
- 6M
- 1.43%
- YTD
- 2.25%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
SCMB
- 1D
- 0.00%
- 1M
- -1.78%
- 6M
- -0.52%
- YTD
- 0.06%
- 1Y
- 4.38%
- 3Y*
- 2.76%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 3.54%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $37.46M | $30.33M | $30.04M | |
| $170.69K | $138.29K | $131.50K |
THYM vs. SCMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
THYM T. Rowe Price High Income Municipal ETF | 2.25% | 0.25% |
SCMB Schwab Municipal Bond ETF | 0.06% | 0.44% |
Correlation
The correlation between THYM and SCMB is 0.69, 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 | 0.69 |
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Return for Risk
THYM vs. SCMB — Risk / Return Rank
THYM
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
SCMB
THYM vs. SCMB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price High Income Municipal ETF (THYM) and Schwab Municipal Bond ETF (SCMB). 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.
| THYM | SCMB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.35 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 1.79 | — |
| Martin ratioReturn relative to average drawdown | — | 5.53 | — |
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Drawdowns
THYM vs. SCMB - Drawdown Comparison
The maximum THYM drawdown since its inception was -2.93%, smaller than the maximum SCMB drawdown of -6.13%. Use the drawdown chart below to compare losses from any high point for THYM and SCMB.
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Drawdown Indicators
| THYM | SCMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.93% | -6.13% | +3.20% |
Max Drawdown (1Y)Largest decline over 1 year | — | -2.92% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -4.75% | — |
Current DrawdownCurrent decline from peak | -2.31% | -1.86% | -0.45% |
Average DrawdownAverage peak-to-trough decline | -0.55% | -1.30% | +0.75% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.94% | — |
Volatility
THYM vs. SCMB - Volatility Comparison
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Volatility by Period
| THYM | SCMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 1.02% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 2.35% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.41% | 3.01% | +1.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.41% | 4.12% | +0.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.41% | 4.12% | +0.29% |
THYM vs. SCMB - Expense Ratio Comparison
THYM has a 0.32% expense ratio, which is higher than SCMB's 0.03% expense ratio.
Dividends
THYM vs. SCMB - Dividend Comparison
THYM's dividend yield for the trailing twelve months is around 2.99%, less than SCMB's 3.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
SCMB Schwab Municipal Bond ETF | 3.26% | 3.36% | 3.34% | 3.10% | 0.59% |
THYM T. Rowe Price High Income Municipal ETF | 2.99% | 0.37% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
THYM and SCMB have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, SCMB is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SCMB is cheaper with a 0.03% expense ratio, compared with 0.32% for THYM.
SCMB has the higher dividend yield at 3.26%, compared with 2.99% for THYM.
THYM is categorized as High Yield Muni, while SCMB is Municipal Bonds. They also come from different issuers: T. Rowe Price and Charles Schwab. Their fees differ too: 0.32% for THYM and 0.03% for SCMB.
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