LTMFX vs. LSMSX
LTMFX (Thornburg Limited Term Municipal Fund) and LSMSX (Western Asset SMASh Series TF Fund) are both Municipal Bonds funds. Over the past 5 years, LTMFX returned 1.03%/yr vs 0.70%/yr for LSMSX. Their 0.69 correlation means they have sometimes moved together and sometimes differently. LTMFX charges 0.71%/yr vs 0.01%/yr for LSMSX.
Performance
LTMFX vs. LSMSX - Performance Comparison
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Returns By Period
In the year-to-date period, LTMFX achieves a 0.04% return, which is significantly lower than LSMSX's 1.12% return.
LTMFX
- 1D
- -0.15%
- 1M
- -1.11%
- 6M
- -0.80%
- YTD
- 0.04%
- 1Y
- 2.07%
- 3Y*
- 3.29%
- 5Y*
- 1.03%
- 10Y*
- 1.29%
- ALL TIME*
- 1.55%
LSMSX
- 1D
- -0.21%
- 1M
- -1.78%
- 6M
- 0.26%
- YTD
- 1.12%
- 1Y
- 6.64%
- 3Y*
- 3.47%
- 5Y*
- 0.70%
- 10Y*
- —
- ALL TIME*
- 2.68%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
LTMFX vs. LSMSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
LTMFX Thornburg Limited Term Municipal Fund | 0.04% | 5.74% | 1.84% | 3.83% | -5.27% | -0.18% | 2.97% | 3.81% | 1.00% | 1.79% |
LSMSX Western Asset SMASh Series TF Fund | 1.12% | 3.22% | 2.22% | 7.96% | -10.03% | 4.11% | 4.48% | 8.16% | 0.46% | 4.92% |
Correlation
The correlation between LTMFX and LSMSX is 0.63, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.63 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.74 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017 | 0.69 |
The correlation between LTMFX and LSMSX shifts across timeframes, from 0.63 (1 year) to 0.74 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
LTMFX vs. LSMSX — Risk / Return Rank
LTMFX
LSMSX
LTMFX vs. LSMSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Thornburg Limited Term Municipal Fund (LTMFX) and Western Asset SMASh Series TF Fund (LSMSX). 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.
| LTMFX | LSMSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.00 | ||
| Sortino ratioReturn per unit of downside risk | -1.40 | ||
| Omega ratioGain probability vs. loss probability | 1.44 | 1.63 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 1.36 | 2.65 | -1.29 |
| Martin ratioReturn relative to average drawdown | 3.69 | 8.88 | -5.19 |
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Drawdowns
LTMFX vs. LSMSX - Drawdown Comparison
The maximum LTMFX drawdown since its inception was -8.40%, smaller than the maximum LSMSX drawdown of -15.00%. Use the drawdown chart below to compare losses from any high point for LTMFX and LSMSX.
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Drawdown Indicators
| LTMFX | LSMSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.40% | -15.00% | +6.60% |
Max Drawdown (1Y)Largest decline over 1 year | -1.96% | -2.82% | +0.86% |
Max Drawdown (3Y)Largest decline over 3 years | -2.95% | -7.49% | +4.54% |
Max Drawdown (5Y)Largest decline over 5 years | -8.40% | -14.92% | +6.52% |
Max Drawdown (10Y)Largest decline over 10 years | -8.40% | — | — |
Current DrawdownCurrent decline from peak | -1.57% | -1.78% | +0.21% |
Average DrawdownAverage peak-to-trough decline | -1.63% | -2.81% | +1.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.72% | 0.84% | -0.12% |
Volatility
LTMFX vs. LSMSX - Volatility Comparison
The current volatility for Thornburg Limited Term Municipal Fund (LTMFX) is 0.54%, while Western Asset SMASh Series TF Fund (LSMSX) has a volatility of 1.01%. This indicates that LTMFX experiences smaller price fluctuations and is considered to be less risky than LSMSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| LTMFX | LSMSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.54% | 1.01% | -0.47% |
Volatility (6M)Calculated over the trailing 6-month period | 1.38% | 2.28% | -0.90% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.68% | 2.89% | -1.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.37% | 4.51% | -2.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.27% | 4.48% | -2.21% |
LTMFX vs. LSMSX - Expense Ratio Comparison
LTMFX has a 0.71% expense ratio, which is higher than LSMSX's 0.01% expense ratio.
Dividends
LTMFX vs. LSMSX - Dividend Comparison
LTMFX's dividend yield for the trailing twelve months is around 2.98%, less than LSMSX's 3.94% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LSMSX Western Asset SMASh Series TF Fund | 3.94% | 3.83% | 4.30% | 3.37% | 2.38% | 2.73% | 2.33% | 2.55% | 2.34% | 0.90% | 0.00% | 0.00% |
LTMFX Thornburg Limited Term Municipal Fund | 2.98% | 4.28% | 3.60% | 2.11% | 1.62% | 1.27% | 1.54% | 1.78% | 1.83% | 1.64% | 1.57% | 1.56% |
Frequently Asked Questions
LTMFX and LSMSX have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
LSMSX has higher volatility (1.01%) compared to LTMFX (0.54%). In terms of maximum drawdown, LTMFX dropped -8.40% vs LSMSX's -15.00%.
LSMSX currently has the higher Sharpe Ratio (2.59 vs 1.58), 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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