VIIGX vs. VBTLX
VIIGX (Vanguard Intermediate-Term Treasury Index Fund Institutional Shares) and VBTLX (Vanguard Total Bond Market Index Fund Admiral Shares) are both mutual funds - VIIGX is a Government Bonds fund managed by Vanguard, while VBTLX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Float Adjusted Index. Over the past 10 years, VIIGX returned 1.28%/yr vs 1.56%/yr for VBTLX. Their correlation of 0.92 suggests significant overlap in exposure. VIIGX charges 0.05%/yr vs 0.04%/yr for VBTLX.
Performance
VIIGX vs. VBTLX - Performance Comparison
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Returns By Period
In the year-to-date period, VIIGX achieves a -0.43% return, which is significantly lower than VBTLX's 0.21% return. Over the past 10 years, VIIGX has underperformed VBTLX with an annualized return of 1.28%, while VBTLX has yielded a comparatively higher 1.56% annualized return.
VIIGX
- 1D
- -0.16%
- 1M
- -0.20%
- YTD
- -0.43%
- 6M
- -0.34%
- 1Y
- 3.07%
- 3Y*
- 3.53%
- 5Y*
- 0.10%
- 10Y*
- 1.28%
VBTLX
- 1D
- -0.21%
- 1M
- 0.13%
- YTD
- 0.21%
- 6M
- 0.34%
- 1Y
- 4.47%
- 3Y*
- 3.97%
- 5Y*
- 0.10%
- 10Y*
- 1.56%
VIIGX vs. VBTLX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIIGX Vanguard Intermediate-Term Treasury Index Fund Institutional Shares | -0.43% | 7.38% | 1.62% | 4.39% | -10.65% | -2.38% | 7.65% | 6.32% | 1.36% | 1.60% |
VBTLX Vanguard Total Bond Market Index Fund Admiral Shares | 0.21% | 7.17% | 1.26% | 5.74% | -13.16% | -1.81% | 7.72% | 8.73% | -0.25% | 3.56% |
Correlation
The correlation between VIIGX and VBTLX is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.91 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Nov 24, 2009 | 0.92 |
The correlation between VIIGX and VBTLX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.
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Return for Risk
VIIGX vs. VBTLX — Risk / Return Rank
VIIGX
VBTLX
VIIGX vs. VBTLX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) and Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX). 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.
| VIIGX | VBTLX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.25 | ||
| Sortino ratioReturn per unit of downside risk | -0.37 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.23 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.27 | 1.78 | -0.51 |
| Martin ratioReturn relative to average drawdown | 3.81 | 5.33 | -1.51 |
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
| VIIGX | VBTLX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.05 | 1.30 | -0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.02 | 0.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.31 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.76 | -0.26 |
Drawdowns
VIIGX vs. VBTLX - Drawdown Comparison
The maximum VIIGX drawdown since its inception was -15.96%, smaller than the maximum VBTLX drawdown of -18.81%. Use the drawdown chart below to compare losses from any high point for VIIGX and VBTLX.
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Drawdown Indicators
| VIIGX | VBTLX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.96% | -18.81% | +2.85% |
Max Drawdown (1Y)Largest decline over 1 year | -2.83% | -2.89% | +0.06% |
Max Drawdown (3Y)Largest decline over 3 years | -4.27% | -6.00% | +1.73% |
Max Drawdown (5Y)Largest decline over 5 years | -15.09% | -18.14% | +3.05% |
Max Drawdown (10Y)Largest decline over 10 years | -15.96% | -18.81% | +2.85% |
Current DrawdownCurrent decline from peak | -2.03% | -2.38% | +0.35% |
Average DrawdownAverage peak-to-trough decline | -3.42% | -2.67% | -0.75% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.96% | -0.02% |
Volatility
VIIGX vs. VBTLX - Volatility Comparison
The current volatility for Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) is 1.07%, while Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX) has a volatility of 1.33%. This indicates that VIIGX experiences smaller price fluctuations and is considered to be less risky than VBTLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIIGX | VBTLX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.07% | 1.33% | -0.26% |
Volatility (6M)Calculated over the trailing 6-month period | 2.39% | 2.78% | -0.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.42% | 3.96% | -0.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.34% | 6.01% | -0.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.45% | 4.98% | -0.53% |
VIIGX vs. VBTLX - Expense Ratio Comparison
VIIGX has a 0.05% expense ratio, which is higher than VBTLX's 0.04% 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%.
Dividends
VIIGX vs. VBTLX - Dividend Comparison
VIIGX's dividend yield for the trailing twelve months is around 3.86%, less than VBTLX's 3.99% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBTLX Vanguard Total Bond Market Index Fund Admiral Shares | 3.99% | 3.87% | 3.69% | 3.10% | 2.59% | 1.96% | 2.39% | 2.74% | 2.57% | 2.56% | 2.53% | 2.82% |
VIIGX Vanguard Intermediate-Term Treasury Index Fund Institutional Shares | 3.86% | 3.78% | 3.97% | 2.71% | 1.73% | 1.91% | 2.23% | 2.23% | 2.07% | 1.68% | 1.64% | 1.72% |
Frequently Asked Questions
With a correlation of 0.91, VIIGX and VBTLX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
VBTLX has higher volatility (1.33%) compared to VIIGX (1.07%). In terms of maximum drawdown, VIIGX dropped -15.96% vs VBTLX's -18.81%.
VBTLX currently has the higher Sharpe Ratio (1.30 vs 1.05), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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