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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in Vanguard Intermediate-Term Bond Index Fund Admiral Shares, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
Vanguard Intermediate-Term Bond Index Fund Admiral Shares (VBILX) has returned -0.94% so far this year and 4.23% over the past 12 months. Over the last ten years, VBILX has returned 1.94% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
Vanguard Intermediate-Term Bond Index Fund Admiral Shares
- 1D
- 0.48%
- 1M
- -2.72%
- YTD
- -0.94%
- 6M
- 0.18%
- 1Y
- 4.23%
- 3Y*
- 3.80%
- 5Y*
- 0.40%
- 10Y*
- 1.94%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Nov 12, 2001, VBILX's average daily return is +0.02%, while the average monthly return is +0.34%. At this rate, your investment would double in approximately 17.0 years.
Historically, 60% of months were positive and 40% were negative. The best month was Nov 2008 with a return of +5.8%, while the worst month was Jul 2003 at -5.0%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 6 months.
On a daily basis, VBILX closed higher 47% of trading days. The best single day was Nov 11, 2003 with a return of +6.8%, while the worst single day was Nov 12, 2003 at -6.0%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.02% | 1.85% | -2.72% | -0.94% | |||||||||
| 2025 | 0.64% | 2.18% | 0.34% | 0.91% | -0.52% | 1.60% | -0.23% | 1.51% | 0.72% | 0.54% | 0.91% | -0.31% | 8.57% |
| 2024 | 0.00% | -1.65% | 0.91% | -2.44% | 1.74% | 1.01% | 2.70% | 1.38% | 1.45% | -2.79% | 1.10% | -1.70% | 1.54% |
| 2023 | 3.41% | -2.96% | 3.23% | 0.82% | -1.19% | -0.82% | -0.02% | -0.51% | -2.51% | -1.54% | 4.68% | 3.69% | 6.09% |
| 2022 | -2.20% | -0.80% | -3.38% | -3.89% | 0.84% | -1.77% | 2.66% | -3.24% | -4.31% | -0.89% | 3.68% | -0.86% | -13.59% |
| 2021 | -0.71% | -1.78% | -1.78% | 1.08% | 0.58% | 0.73% | 1.47% | -0.33% | -1.15% | -0.67% | 0.40% | -0.17% | -2.36% |
Benchmark Metrics
Vanguard Intermediate-Term Bond Index Fund Admiral Shares has an annualized alpha of 4.78%, beta of -0.07, and R² of 0.05 versus S&P 500 Index. Calculated based on daily prices since November 13, 2001.
- This fund captured 11.34% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -5.60%) — a profile typical of hedging or uncorrelated assets.
- Beta of -0.07 may look defensive, but with R² of 0.05 this fund is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
- R² of 0.05 means this fund moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 4.78%
- Beta
- -0.07
- R²
- 0.05
- Upside Capture
- 11.34%
- Downside Capture
- -5.60%
Expense Ratio
VBILX has an expense ratio of 0.07%, which is considered low.
Return for Risk
Risk / Return Rank
VBILX ranks 56 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Vanguard Intermediate-Term Bond Index Fund Admiral Shares (VBILX) and compare them to a chosen benchmark (S&P 500 Index).
| VBILX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.05 | 0.90 | +0.15 |
Sortino ratioReturn per unit of downside risk | 1.53 | 1.39 | +0.15 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.21 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.70 | 1.40 | +0.30 |
Martin ratioReturn relative to average drawdown | 5.69 | 6.61 | -0.92 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore VBILX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Vanguard Intermediate-Term Bond Index Fund Admiral Shares provided a 3.79% dividend yield over the last twelve months, with an annual payout of $0.39 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.39 | $0.42 | $0.39 | $0.32 | $0.20 | $0.40 | $0.37 | $0.32 | $0.32 | $0.31 | $0.34 | $0.35 |
Dividend yield | 3.79% | 4.01% | 3.80% | 3.09% | 1.99% | 3.39% | 2.94% | 2.73% | 2.87% | 2.73% | 3.06% | 3.09% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Intermediate-Term Bond Index Fund Admiral Shares. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.04 | $0.03 | $0.00 | $0.07 | |||||||||
| 2025 | $0.03 | $0.03 | $0.04 | $0.03 | $0.04 | $0.03 | $0.04 | $0.04 | $0.04 | $0.04 | $0.04 | $0.04 | $0.42 |
| 2024 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.39 |
| 2023 | $0.02 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.32 |
| 2022 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.00 | $0.00 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.20 |
| 2021 | $0.02 | $0.02 | $0.06 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.15 | $0.40 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Vanguard Intermediate-Term Bond Index Fund Admiral Shares. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Vanguard Intermediate-Term Bond Index Fund Admiral Shares was 19.26%, occurring on Oct 20, 2022. Recovery took 840 trading sessions.
The current Vanguard Intermediate-Term Bond Index Fund Admiral Shares drawdown is 2.72%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -19.26% | Jan 5, 2021 | 453 | Oct 20, 2022 | 840 | Feb 27, 2026 | 1293 |
| -9.07% | Apr 10, 2008 | 143 | Oct 30, 2008 | 32 | Dec 16, 2008 | 175 |
| -7.43% | Mar 9, 2020 | 9 | Mar 19, 2020 | 49 | May 29, 2020 | 58 |
| -7.4% | May 3, 2013 | 87 | Sep 5, 2013 | 232 | Aug 7, 2014 | 319 |
| -7.3% | Jun 16, 2003 | 43 | Aug 14, 2003 | 62 | Nov 11, 2003 | 105 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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