VEDTX vs. FBLTX
Compare and contrast key facts about Vanguard Extended Duration Treasury Index Fund (VEDTX) and Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX).
VEDTX is managed by Vanguard. It was launched on Nov 27, 2007. FBLTX is managed by Fidelity. It was launched on Oct 8, 2015.
Performance
VEDTX vs. FBLTX - Performance Comparison
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VEDTX vs. FBLTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VEDTX Vanguard Extended Duration Treasury Index Fund | -0.41% | 1.34% | -13.35% | 2.15% | -39.40% | -6.52% | 24.20% | 19.16% | -3.50% | 12.69% |
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, VEDTX achieves a -0.41% return, which is significantly lower than FBLTX's -0.25% return. Over the past 10 years, VEDTX has underperformed FBLTX with an annualized return of -3.04%, while FBLTX has yielded a comparatively higher -1.47% annualized return.
VEDTX
- 1D
- -0.31%
- 1M
- -4.73%
- YTD
- -0.41%
- 6M
- -2.83%
- 1Y
- -5.35%
- 3Y*
- -6.48%
- 5Y*
- -9.55%
- 10Y*
- -3.04%
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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VEDTX vs. FBLTX - Expense Ratio Comparison
VEDTX has a 0.06% expense ratio, which is higher than FBLTX's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
VEDTX vs. FBLTX — Risk / Return Rank
VEDTX
FBLTX
VEDTX vs. FBLTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Duration Treasury Index Fund (VEDTX) 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.
| VEDTX | FBLTX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.24 | -0.06 | -0.18 |
Sortino ratioReturn per unit of downside risk | -0.21 | -0.01 | -0.20 |
Omega ratioGain probability vs. loss probability | 0.97 | 1.00 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | -0.19 | 0.21 | -0.39 |
Martin ratioReturn relative to average drawdown | -0.36 | 0.44 | -0.80 |
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
| VEDTX | FBLTX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.24 | -0.06 | -0.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.44 | -0.39 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.15 | -0.10 | -0.05 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.11 | -0.05 | +0.16 |
Correlation
The correlation between VEDTX and FBLTX is 0.99, 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
VEDTX vs. FBLTX - Dividend Comparison
VEDTX's dividend yield for the trailing twelve months is around 3.73%, which matches FBLTX's 3.75% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VEDTX Vanguard Extended Duration Treasury Index Fund | 3.73% | 4.94% | 4.68% | 3.55% | 3.30% | 1.96% | 5.56% | 3.53% | 2.94% | 2.23% | 5.34% | 4.28% |
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
VEDTX vs. FBLTX - Drawdown Comparison
The maximum VEDTX drawdown since its inception was -60.00%, which is greater than FBLTX's maximum drawdown of -49.06%. Use the drawdown chart below to compare losses from any high point for VEDTX and FBLTX.
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Drawdown Indicators
| VEDTX | FBLTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.00% | -49.06% | -10.94% |
Max Drawdown (1Y)Largest decline over 1 year | -14.29% | -9.51% | -4.78% |
Max Drawdown (5Y)Largest decline over 5 years | -55.15% | -44.19% | -10.96% |
Max Drawdown (10Y)Largest decline over 10 years | -60.00% | -49.06% | -10.94% |
Current DrawdownCurrent decline from peak | -54.21% | -41.11% | -13.10% |
Average DrawdownAverage peak-to-trough decline | -23.20% | -20.66% | -2.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.40% | 4.47% | +2.93% |
Volatility
VEDTX vs. FBLTX - Volatility Comparison
Vanguard Extended Duration Treasury Index Fund (VEDTX) has a higher volatility of 5.52% compared to Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) at 3.71%. This indicates that VEDTX's price experiences larger fluctuations and is considered to be riskier 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
| VEDTX | FBLTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.52% | 3.71% | +1.81% |
Volatility (6M)Calculated over the trailing 6-month period | 9.97% | 6.63% | +3.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.42% | 11.48% | +5.94% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.90% | 15.72% | +6.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.14% | 14.62% | +5.52% |