MEAR vs. LTMFX
MEAR (iShares Short Maturity Municipal Bond ETF) and LTMFX (Thornburg Limited Term Municipal Fund) are both Municipal Bonds funds. Over the past 10 years, MEAR returned 1.78%/yr vs 1.45%/yr for LTMFX. At a 0.18 correlation, their price movements are largely independent. MEAR charges 0.25%/yr vs 0.71%/yr for LTMFX.
Performance
MEAR vs. LTMFX - Performance Comparison
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Returns By Period
In the year-to-date period, MEAR achieves a 1.06% return, which is significantly higher than LTMFX's 0.82% return. Over the past 10 years, MEAR has outperformed LTMFX with an annualized return of 1.78%, while LTMFX has yielded a comparatively lower 1.45% annualized return.
MEAR
- 1D
- 0.00%
- 1M
- 0.32%
- YTD
- 1.06%
- 6M
- 1.30%
- 1Y
- 3.29%
- 3Y*
- 3.58%
- 5Y*
- 2.43%
- 10Y*
- 1.78%
LTMFX
- 1D
- 0.07%
- 1M
- 0.34%
- YTD
- 0.82%
- 6M
- 1.01%
- 1Y
- 4.35%
- 3Y*
- 3.80%
- 5Y*
- 1.28%
- 10Y*
- 1.45%
MEAR vs. LTMFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MEAR iShares Short Maturity Municipal Bond ETF | 1.06% | 3.76% | 3.40% | 3.93% | 0.10% | 0.05% | 1.18% | 1.91% | 1.63% | 1.12% |
LTMFX Thornburg Limited Term Municipal Fund | 0.82% | 5.74% | 1.84% | 3.83% | -5.27% | -0.18% | 2.97% | 3.81% | 1.00% | 2.29% |
Correlation
The correlation between MEAR and LTMFX is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.30 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.27 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Mar 6, 2015 | 0.18 |
The correlation between MEAR and LTMFX shifts across timeframes, from 0.18 (all time) to 0.30 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
MEAR vs. LTMFX — Risk / Return Rank
MEAR
LTMFX
MEAR vs. LTMFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Short Maturity Municipal Bond ETF (MEAR) and Thornburg Limited Term Municipal Fund (LTMFX). 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.
| MEAR | LTMFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.11 | ||
| Sortino ratioReturn per unit of downside risk | +1.55 | ||
| Omega ratioGain probability vs. loss probability | 1.91 | 1.88 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 7.07 | 2.23 | +4.84 |
| Martin ratioReturn relative to average drawdown | 28.99 | 7.01 | +21.98 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MEAR | LTMFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.86 | 2.75 | +1.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 2.48 | 0.55 | +1.93 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.18 | 0.64 | +0.54 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.11 | 0.84 | +0.27 |
Drawdowns
MEAR vs. LTMFX - Drawdown Comparison
The maximum MEAR drawdown since its inception was -2.68%, smaller than the maximum LTMFX drawdown of -8.40%. Use the drawdown chart below to compare losses from any high point for MEAR and LTMFX.
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Drawdown Indicators
| MEAR | LTMFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.68% | -8.40% | +5.72% |
Max Drawdown (1Y)Largest decline over 1 year | -0.47% | -1.96% | +1.49% |
Max Drawdown (3Y)Largest decline over 3 years | -0.86% | -2.95% | +2.09% |
Max Drawdown (5Y)Largest decline over 5 years | -1.12% | -8.40% | +7.28% |
Max Drawdown (10Y)Largest decline over 10 years | -2.68% | -8.40% | +5.72% |
Current DrawdownCurrent decline from peak | 0.00% | -0.81% | +0.81% |
Average DrawdownAverage peak-to-trough decline | -0.19% | -1.64% | +1.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.11% | 0.62% | -0.51% |
Volatility
MEAR vs. LTMFX - Volatility Comparison
The current volatility for iShares Short Maturity Municipal Bond ETF (MEAR) is 0.24%, while Thornburg Limited Term Municipal Fund (LTMFX) has a volatility of 0.63%. This indicates that MEAR experiences smaller price fluctuations and is considered to be less risky than LTMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MEAR | LTMFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.24% | 0.63% | -0.39% |
Volatility (6M)Calculated over the trailing 6-month period | 0.61% | 1.28% | -0.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.86% | 1.59% | -0.73% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.98% | 2.35% | -1.37% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.52% | 2.27% | -0.75% |
MEAR vs. LTMFX - Expense Ratio Comparison
MEAR has a 0.25% expense ratio, which is lower than LTMFX's 0.71% expense ratio.
Dividends
MEAR vs. LTMFX - Dividend Comparison
MEAR's dividend yield for the trailing twelve months is around 2.84%, less than LTMFX's 3.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LTMFX Thornburg Limited Term Municipal Fund | 3.23% | 4.28% | 3.60% | 2.11% | 1.62% | 1.27% | 1.54% | 1.78% | 1.83% | 1.64% | 1.57% | 1.56% |
MEAR iShares Short Maturity Municipal Bond ETF | 2.84% | 2.95% | 3.44% | 3.30% | 0.88% | 0.30% | 0.90% | 1.57% | 1.36% | 1.01% | 0.81% | 0.53% |
Frequently Asked Questions
MEAR and LTMFX have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
LTMFX has higher volatility (0.63%) compared to MEAR (0.24%). In terms of maximum drawdown, MEAR dropped -2.68% vs LTMFX's -8.40%.
MEAR currently has the higher Sharpe Ratio (3.86 vs 2.75), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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