- ISIN
- US92206C8055
- CUSIP
- 92206C805
- Issuer
- Vanguard
- Inception Date
- Mar 19, 2010
- Category
- Government Bonds
- Min. Investment
- $5,000,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
VIIGX Performance Chart
Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) is down 0.4% since the beginning of the year. VIIGX is currently trading at $25 per share. Investors who bought $1,000 worth of VIIGX shares 5 years ago would now be looking at an investment worth $1,006.
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Returns By Period
Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) has returned -0.35% so far this year and 4.04% over the past 12 months. Over the last ten years, VIIGX has returned 1.30% per year, falling short of the S&P 500 Index benchmark, which averaged 13.33% annually.
Vanguard Intermediate-Term Treasury Index Fund Institutional Shares
- 1D
- 0.08%
- 1M
- -0.28%
- YTD
- -0.35%
- 6M
- -0.11%
- 1Y
- 4.04%
- 3Y*
- 3.53%
- 5Y*
- 0.12%
- 10Y*
- 1.30%
Benchmark (S&P 500 Index)
- 1D
- -2.64%
- 1M
- 0.64%
- YTD
- 7.86%
- 6M
- 7.47%
- 1Y
- 23.05%
- 3Y*
- 19.90%
- 5Y*
- 11.79%
- 10Y*
- 13.33%
VIIGX Monthly Returns History
Based on dividend-adjusted daily data since Nov 23, 2009, VIIGX's average daily return is +0.01%, while the average monthly return is +0.18%. At this rate, an investment would double in approximately 32.1 years.
Historically, 54% of months were positive and 46% were negative. The best month was Mar 2023 with a return of +3.0%, while the worst month was Dec 2010 at -3.4%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 6 months.
On a daily basis, VIIGX closed higher 49% of trading days. The best single day was Nov 10, 2022 with a return of +1.6%, while the worst single day was Dec 23, 2010 at -1.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.08% | 1.72% | -1.68% | 0.01% | -0.13% | -0.16% | -0.35% | ||||||
| 2025 | 0.58% | 1.94% | 0.58% | 1.24% | -0.83% | 1.25% | -0.44% | 1.50% | 0.31% | 0.52% | 0.79% | -0.23% | 7.38% |
| 2024 | 0.16% | -1.52% | 0.51% | -1.99% | 1.44% | 1.01% | 2.33% | 1.24% | 1.10% | -2.09% | 0.68% | -1.14% | 1.62% |
| 2023 | 2.41% | -2.40% | 3.04% | 0.72% | -1.06% | -1.23% | -0.07% | -0.22% | -1.61% | -0.87% | 3.03% | 2.76% | 4.39% |
| 2022 | -1.59% | -0.49% | -3.27% | -2.44% | 0.74% | -0.80% | 1.98% | -2.85% | -3.28% | -0.72% | 2.47% | -0.73% | -10.65% |
| 2021 | -0.20% | -1.40% | -1.13% | 0.63% | 0.38% | 0.09% | 1.19% | -0.26% | -1.00% | -0.76% | 0.48% | -0.39% | -2.38% |
Benchmark Metrics
Vanguard Intermediate-Term Treasury Index Fund Institutional Shares has an annualized alpha of 3.01%, beta of -0.06, and R2 of 0.06 versus S&P 500 Index. Calculated based on daily prices since November 24, 2009.
- This fund captured 4.18% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -6.65%) - a profile typical of hedging or uncorrelated assets.
- Beta of -0.06 may look defensive, but with R2 of 0.06 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 0.06 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
- 3.01%
- Beta
- -0.06
- R²
- 0.06
- Upside Capture
- 4.18%
- Downside Capture
- -6.65%
Expense Ratio
VIIGX has an expense ratio of 0.05%, which is considered low.
Return for Risk
Risk / Return Rank
VIIGX ranks 13 for risk / return — in the bottom 13% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) and compare them to S&P 500 Index.
| VIIGX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.07 | ||
| Sortino ratioReturn per unit of downside risk | -1.31 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.36 | -0.20 |
| Calmar ratioReturn relative to maximum drawdown | 1.12 | 2.69 | -1.57 |
| Martin ratioReturn relative to average drawdown | 3.35 | 12.34 | -9.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
Vanguard Intermediate-Term Treasury Index Fund Institutional Shares provided a 3.86% dividend yield over the last twelve months, with an annual payout of $0.95 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.95 | $0.95 | $0.97 | $0.68 | $0.42 | $0.53 | $0.65 | $0.62 | $0.55 | $0.45 | $0.44 | $0.46 |
Dividend yield | 3.86% | 3.78% | 3.97% | 2.71% | 1.73% | 1.91% | 2.23% | 2.23% | 2.07% | 1.68% | 1.64% | 1.72% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Intermediate-Term Treasury Index Fund Institutional 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 | $0.00 | $0.08 | $0.07 | $0.08 | $0.08 | $0.08 | $0.39 | ||||||
| 2025 | $0.08 | $0.07 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.95 |
| 2024 | $0.07 | $0.06 | $0.07 | $0.07 | $0.07 | $0.07 | $0.08 | $0.08 | $0.08 | $0.15 | $0.08 | $0.08 | $0.97 |
| 2023 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.06 | $0.06 | $0.06 | $0.07 | $0.07 | $0.68 |
| 2022 | $0.03 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.04 | $0.04 | $0.04 | $0.04 | $0.05 | $0.05 | $0.42 |
| 2021 | $0.09 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.18 | $0.53 |
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 Treasury Index Fund Institutional 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 Treasury Index Fund Institutional Shares was 15.96%, occurring on Oct 20, 2022. Recovery took 840 trading sessions.
The current Vanguard Intermediate-Term Treasury Index Fund Institutional Shares drawdown is 1.95%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -15.96%Oct 2022 | 2y 2mo | 3y 4mo | 5y 6moAug 2020 - Feb 2026 |
2011 pullback2011 | -6.39%Feb 2011 | 3mo 5d | 5mo 21d | 8mo 26dNov 2010 - Jul 2011 |
2018 pullback2018 | -5.30%May 2018 | 1y 10mo | 10mo 9d | 2y 8moJul 2016 - Mar 2019 |
2013 pullback2013 | -5.05%Sep 2013 | 4mo 5d | 1y 1mo | 1y 5moMay 2013 - Oct 2014 |
2026 pullback2026 | -2.83%May 2026 | 2mo 18d | — | 3mo 7dMar 2026 - now |
Drawdown Indicators
| VIIGX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.96% | -56.78% | +40.82% |
Max Drawdown (1Y)Largest decline over 1 year | -2.83% | -9.10% | +6.27% |
Max Drawdown (3Y)Largest decline over 3 years | -4.27% | -18.90% | +14.63% |
Max Drawdown (5Y)Largest decline over 5 years | -15.09% | -25.43% | +10.34% |
Max Drawdown (10Y)Largest decline over 10 years | -15.96% | -33.92% | +17.96% |
Current DrawdownCurrent decline from peak | -1.95% | -2.97% | +1.02% |
Average DrawdownAverage peak-to-trough decline | -3.42% | -10.72% | +7.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 1.97% | -1.02% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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