LTUSX vs. FNBGX
Compare and contrast key facts about Thornburg Limited Term U.S. Government Fund (LTUSX) and Fidelity Long-Term Treasury Bond Index Fund (FNBGX).
LTUSX is managed by Thornburg. It was launched on Nov 15, 1987. FNBGX is managed by Fidelity. It was launched on Dec 20, 2005.
Performance
LTUSX vs. FNBGX - Performance Comparison
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LTUSX vs. FNBGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
LTUSX Thornburg Limited Term U.S. Government Fund | 0.29% | 6.40% | 2.40% | 3.40% | -8.06% | -1.82% | 3.77% | 3.61% | 0.98% | -0.06% |
FNBGX Fidelity Long-Term Treasury Bond Index Fund | -0.35% | 5.30% | -6.18% | 3.20% | -29.89% | -5.17% | 17.58% | 14.24% | -1.62% | 1.86% |
Returns By Period
In the year-to-date period, LTUSX achieves a 0.29% return, which is significantly higher than FNBGX's -0.35% return.
LTUSX
- 1D
- -0.08%
- 1M
- -1.29%
- YTD
- 0.29%
- 6M
- 1.12%
- 1Y
- 3.98%
- 3Y*
- 3.43%
- 5Y*
- 0.70%
- 10Y*
- 1.02%
FNBGX
- 1D
- 0.00%
- 1M
- -3.36%
- YTD
- -0.35%
- 6M
- -0.98%
- 1Y
- -0.60%
- 3Y*
- -1.65%
- 5Y*
- -5.04%
- 10Y*
- —
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LTUSX vs. FNBGX - Expense Ratio Comparison
LTUSX has a 0.92% expense ratio, which is higher than FNBGX's 0.03% expense ratio.
Return for Risk
LTUSX vs. FNBGX — Risk / Return Rank
LTUSX
FNBGX
LTUSX vs. FNBGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Thornburg Limited Term U.S. Government Fund (LTUSX) and Fidelity Long-Term Treasury Bond Index Fund (FNBGX). 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.
| LTUSX | FNBGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.25 | 0.01 | +1.24 |
Sortino ratioReturn per unit of downside risk | 1.81 | 0.09 | +1.72 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.01 | +0.21 |
Calmar ratioReturn relative to maximum drawdown | 2.21 | 0.14 | +2.08 |
Martin ratioReturn relative to average drawdown | 6.75 | 0.30 | +6.44 |
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
| LTUSX | FNBGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.25 | 0.01 | +1.24 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.18 | -0.35 | +0.52 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.33 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.15 | -0.08 | +1.23 |
Correlation
The correlation between LTUSX and FNBGX is 0.77, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
LTUSX vs. FNBGX - Dividend Comparison
LTUSX's dividend yield for the trailing twelve months is around 2.33%, less than FNBGX's 3.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LTUSX Thornburg Limited Term U.S. Government Fund | 2.33% | 2.69% | 2.62% | 1.89% | 1.63% | 1.21% | 1.35% | 1.77% | 1.90% | 1.45% | 2.52% | 1.50% |
FNBGX Fidelity Long-Term Treasury Bond Index Fund | 3.60% | 3.88% | 3.75% | 3.20% | 2.26% | 2.47% | 3.96% | 2.63% | 2.93% | 0.70% | 0.00% | 0.00% |
Drawdowns
LTUSX vs. FNBGX - Drawdown Comparison
The maximum LTUSX drawdown since its inception was -12.34%, smaller than the maximum FNBGX drawdown of -46.86%. Use the drawdown chart below to compare losses from any high point for LTUSX and FNBGX.
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Drawdown Indicators
| LTUSX | FNBGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.34% | -46.86% | +34.52% |
Max Drawdown (1Y)Largest decline over 1 year | -2.00% | -8.75% | +6.75% |
Max Drawdown (5Y)Largest decline over 5 years | -11.69% | -41.54% | +29.85% |
Max Drawdown (10Y)Largest decline over 10 years | -12.34% | — | — |
Current DrawdownCurrent decline from peak | -1.68% | -37.47% | +35.79% |
Average DrawdownAverage peak-to-trough decline | -1.40% | -21.32% | +19.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.66% | 3.98% | -3.32% |
Volatility
LTUSX vs. FNBGX - Volatility Comparison
The current volatility for Thornburg Limited Term U.S. Government Fund (LTUSX) is 1.19%, while Fidelity Long-Term Treasury Bond Index Fund (FNBGX) has a volatility of 3.50%. This indicates that LTUSX experiences smaller price fluctuations and is considered to be less risky than FNBGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| LTUSX | FNBGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.19% | 3.50% | -2.31% |
Volatility (6M)Calculated over the trailing 6-month period | 1.99% | 6.02% | -4.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.28% | 10.47% | -7.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.99% | 14.61% | -10.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.06% | 14.30% | -11.24% |