TWUSX vs. FBLTX
Compare and contrast key facts about American Century Short-Term Government Fund (TWUSX) and Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX).
TWUSX is managed by American Century. It was launched on Dec 14, 1982. FBLTX is managed by Fidelity. It was launched on Oct 8, 2015.
Performance
TWUSX vs. FBLTX - Performance Comparison
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TWUSX vs. FBLTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWUSX American Century Short-Term Government Fund | 0.02% | 4.94% | 3.59% | 3.70% | -4.31% | -0.09% | 3.36% | 2.91% | 1.12% | 0.22% |
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund | -0.25% | 4.39% | -8.05% | 2.71% | -31.84% | -4.89% | 18.27% | 14.36% | -1.24% | 9.06% |
Returns By Period
In the year-to-date period, TWUSX achieves a 0.02% return, which is significantly higher than FBLTX's -0.25% return. Over the past 10 years, TWUSX has outperformed FBLTX with an annualized return of 1.48%, while FBLTX has yielded a comparatively lower -1.47% annualized return.
TWUSX
- 1D
- 0.11%
- 1M
- -0.54%
- YTD
- 0.02%
- 6M
- 0.92%
- 1Y
- 3.39%
- 3Y*
- 3.54%
- 5Y*
- 1.46%
- 10Y*
- 1.48%
FBLTX
- 1D
- -0.15%
- 1M
- -3.47%
- YTD
- -0.25%
- 6M
- -1.29%
- 1Y
- -1.56%
- 3Y*
- -2.81%
- 5Y*
- -6.07%
- 10Y*
- -1.47%
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TWUSX vs. FBLTX - Expense Ratio Comparison
TWUSX has a 0.55% expense ratio, which is higher than FBLTX's 0.03% expense ratio.
Return for Risk
TWUSX vs. FBLTX — Risk / Return Rank
TWUSX
FBLTX
TWUSX vs. FBLTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Short-Term Government Fund (TWUSX) and Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX). 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.
| TWUSX | FBLTX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.84 | -0.06 | +1.91 |
Sortino ratioReturn per unit of downside risk | 3.16 | -0.01 | +3.17 |
Omega ratioGain probability vs. loss probability | 1.40 | 1.00 | +0.40 |
Calmar ratioReturn relative to maximum drawdown | 3.93 | 0.21 | +3.72 |
Martin ratioReturn relative to average drawdown | 12.74 | 0.44 | +12.30 |
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
| TWUSX | FBLTX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.84 | -0.06 | +1.91 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.64 | -0.39 | +1.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.82 | -0.10 | +0.92 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.00 | -0.05 | +0.05 |
Correlation
The correlation between TWUSX and FBLTX is 0.51, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
TWUSX vs. FBLTX - Dividend Comparison
TWUSX's dividend yield for the trailing twelve months is around 3.34%, less than FBLTX's 3.75% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TWUSX American Century Short-Term Government Fund | 3.34% | 3.70% | 4.06% | 3.83% | 1.12% | 1.05% | 0.72% | 1.81% | 1.74% | 1.06% | 0.57% | 0.53% |
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund | 3.75% | 4.04% | 3.60% | 3.29% | 2.25% | 1.81% | 6.73% | 2.39% | 2.87% | 2.68% | 3.70% | 0.39% |
Drawdowns
TWUSX vs. FBLTX - Drawdown Comparison
The maximum TWUSX drawdown since its inception was -91.08%, which is greater than FBLTX's maximum drawdown of -49.06%. Use the drawdown chart below to compare losses from any high point for TWUSX and FBLTX.
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Drawdown Indicators
| TWUSX | FBLTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -91.08% | -49.06% | -42.02% |
Max Drawdown (1Y)Largest decline over 1 year | -0.98% | -9.51% | +8.53% |
Max Drawdown (5Y)Largest decline over 5 years | -5.85% | -44.19% | +38.34% |
Max Drawdown (10Y)Largest decline over 10 years | -5.85% | -49.06% | +43.21% |
Current DrawdownCurrent decline from peak | -74.71% | -41.11% | -33.60% |
Average DrawdownAverage peak-to-trough decline | -81.79% | -20.66% | -61.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.30% | 4.47% | -4.17% |
Volatility
TWUSX vs. FBLTX - Volatility Comparison
The current volatility for American Century Short-Term Government Fund (TWUSX) is 0.52%, while Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) has a volatility of 3.71%. This indicates that TWUSX experiences smaller price fluctuations and is considered to be less risky than FBLTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TWUSX | FBLTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.52% | 3.71% | -3.19% |
Volatility (6M)Calculated over the trailing 6-month period | 1.12% | 6.63% | -5.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.94% | 11.48% | -9.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.28% | 15.72% | -13.44% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.80% | 14.62% | -12.82% |