THYM vs. LMUB
THYM (T. Rowe Price High Income Municipal ETF) and LMUB (iShares Long-Term National Muni Bond ETF) are both exchange-traded funds - THYM is a High Yield Muni fund actively managed by T. Rowe Price, while LMUB is a Municipal Bonds fund tracking the ICE AMT-Free US Long National Municipal Index. THYM is actively managed, while LMUB is passively managed. Their 0.58 correlation means they have sometimes moved together and sometimes differently. THYM charges 0.32%/yr vs 0.09%/yr for LMUB.
Performance
THYM vs. LMUB - 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 LMUB's 0.34% return.
THYM
- 1D
- 0.00%
- 1M
- -2.31%
- 6M
- 1.43%
- YTD
- 2.25%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
LMUB
- 1D
- -0.10%
- 1M
- -2.97%
- 6M
- -0.36%
- YTD
- 0.34%
- 1Y
- 7.00%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 2.82%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $22.34M | $14.18M | $10.44M | |
| $170.69K | $138.29K | $131.50K |
THYM vs. LMUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
THYM T. Rowe Price High Income Municipal ETF | 2.25% | 0.25% |
LMUB iShares Long-Term National Muni Bond ETF | 0.34% | 0.08% |
Correlation
The correlation between THYM and LMUB is 0.58, 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 | 0.58 |
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Return for Risk
THYM vs. LMUB — Risk / Return Rank
THYM
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
LMUB
THYM vs. LMUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price High Income Municipal ETF (THYM) and iShares Long-Term National Muni Bond ETF (LMUB). 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 | LMUB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.36 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.41 | — |
| Martin ratioReturn relative to average drawdown | — | 7.89 | — |
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Drawdowns
THYM vs. LMUB - Drawdown Comparison
The maximum THYM drawdown since its inception was -2.93%, smaller than the maximum LMUB drawdown of -5.51%. Use the drawdown chart below to compare losses from any high point for THYM and LMUB.
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Drawdown Indicators
| THYM | LMUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.93% | -5.51% | +2.58% |
Max Drawdown (1Y)Largest decline over 1 year | — | -3.13% | — |
Current DrawdownCurrent decline from peak | -2.31% | -2.97% | +0.66% |
Average DrawdownAverage peak-to-trough decline | -0.55% | -1.52% | +0.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.95% | — |
Volatility
THYM vs. LMUB - Volatility Comparison
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Volatility by Period
| THYM | LMUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 1.20% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 3.14% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.41% | 4.17% | +0.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.41% | 5.75% | -1.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.41% | 5.75% | -1.34% |
THYM vs. LMUB - Expense Ratio Comparison
THYM has a 0.32% expense ratio, which is higher than LMUB's 0.09% expense ratio.
Dividends
THYM vs. LMUB - Dividend Comparison
THYM's dividend yield for the trailing twelve months is around 2.99%, less than LMUB's 3.85% yield.
| Position | TTM | 2025 |
|---|---|---|
LMUB iShares Long-Term National Muni Bond ETF | 3.51% | 3.14% |
THYM T. Rowe Price High Income Municipal ETF | 2.99% | 0.37% |
Frequently Asked Questions
THYM and LMUB have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, LMUB is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.
LMUB is cheaper with a 0.09% expense ratio, compared with 0.32% for THYM.
LMUB has the higher dividend yield at 3.51%, compared with 2.99% for THYM.
THYM is categorized as High Yield Muni, while LMUB is Municipal Bonds. They also come from different issuers: T. Rowe Price and iShares. Their fees differ too: 0.32% for THYM and 0.09% for LMUB.
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