VBIMX vs. VTSAX
VBIMX (Vanguard Intermediate-Term Bond Index Fund Institutional Shares) and VTSAX (Vanguard Total Stock Market Index Fund Admiral Shares) are both mutual funds - VBIMX is a Total Bond Market fund managed by Vanguard, while VTSAX is a Large Cap Blend Equities fund managed by Vanguard. Over the past 10 years, VBIMX returned 1.89%/yr vs 15.03%/yr for VTSAX. At a correlation of -0.21, they often move in opposite directions. VBIMX charges 0.05%/yr vs 0.04%/yr for VTSAX.
Performance
VBIMX vs. VTSAX - Performance Comparison
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Returns By Period
In the year-to-date period, VBIMX achieves a -0.33% return, which is significantly lower than VTSAX's 11.13% return. Over the past 10 years, VBIMX has underperformed VTSAX with an annualized return of 1.89%, while VTSAX has yielded a comparatively higher 15.03% annualized return.
VBIMX
- 1D
- -0.29%
- 1M
- -0.11%
- YTD
- -0.33%
- 6M
- -0.26%
- 1Y
- 4.18%
- 3Y*
- 4.19%
- 5Y*
- 0.18%
- 10Y*
- 1.89%
VTSAX
- 1D
- -0.75%
- 1M
- 4.07%
- YTD
- 11.13%
- 6M
- 10.86%
- 1Y
- 28.10%
- 3Y*
- 22.03%
- 5Y*
- 12.68%
- 10Y*
- 15.03%
VBIMX vs. VTSAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VBIMX Vanguard Intermediate-Term Bond Index Fund Institutional Shares | -0.33% | 8.59% | 1.55% | 5.78% | -13.25% | -2.50% | 9.83% | 10.22% | -0.13% | 3.89% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | 11.13% | 17.12% | 23.23% | 26.51% | -19.52% | 25.72% | 20.98% | 30.79% | -5.18% | 21.16% |
Correlation
The correlation between VBIMX and VTSAX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.25 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.13 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.03 |
Correlation (All Time) Calculated using the full available price history since Jan 27, 2006 | -0.21 |
The correlation between VBIMX and VTSAX shifts across timeframes, from -0.21 (all time) to 0.25 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
VBIMX vs. VTSAX — Risk / Return Rank
VBIMX
VTSAX
VBIMX vs. VTSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Intermediate-Term Bond Index Fund Institutional Shares (VBIMX) and Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX). 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.
| VBIMX | VTSAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.17 | ||
| Sortino ratioReturn per unit of downside risk | -1.44 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.42 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 1.40 | 3.17 | -1.76 |
| Martin ratioReturn relative to average drawdown | 4.22 | 14.61 | -10.38 |
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
| VBIMX | VTSAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.15 | 2.31 | -1.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.03 | 0.73 | -0.71 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.35 | 0.82 | -0.47 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.67 | 0.47 | +0.20 |
Drawdowns
VBIMX vs. VTSAX - Drawdown Comparison
The maximum VBIMX drawdown since its inception was -19.07%, smaller than the maximum VTSAX drawdown of -55.33%. Use the drawdown chart below to compare losses from any high point for VBIMX and VTSAX.
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Drawdown Indicators
| VBIMX | VTSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.07% | -55.33% | +36.26% |
Max Drawdown (1Y)Largest decline over 1 year | -3.42% | -8.92% | +5.50% |
Max Drawdown (3Y)Largest decline over 3 years | -6.05% | -19.36% | +13.31% |
Max Drawdown (5Y)Largest decline over 5 years | -18.84% | -25.36% | +6.52% |
Max Drawdown (10Y)Largest decline over 10 years | -19.07% | -34.97% | +15.90% |
Current DrawdownCurrent decline from peak | -2.11% | -0.75% | -1.36% |
Average DrawdownAverage peak-to-trough decline | -3.32% | -9.00% | +5.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.14% | 1.93% | -0.79% |
Volatility
VBIMX vs. VTSAX - Volatility Comparison
The current volatility for Vanguard Intermediate-Term Bond Index Fund Institutional Shares (VBIMX) is 1.41%, while Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX) has a volatility of 3.05%. This indicates that VBIMX experiences smaller price fluctuations and is considered to be less risky than VTSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VBIMX | VTSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.41% | 3.05% | -1.64% |
Volatility (6M)Calculated over the trailing 6-month period | 3.00% | 9.20% | -6.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.19% | 12.22% | -8.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.39% | 17.36% | -10.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.38% | 18.41% | -13.03% |
VBIMX vs. VTSAX - Expense Ratio Comparison
VBIMX has a 0.05% expense ratio, which is higher than VTSAX'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
VBIMX vs. VTSAX - Dividend Comparison
VBIMX's dividend yield for the trailing twelve months is around 4.25%, more than VTSAX's 1.01% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBIMX Vanguard Intermediate-Term Bond Index Fund Institutional Shares | 4.25% | 4.03% | 3.82% | 2.82% | 2.41% | 3.23% | 2.95% | 2.75% | 2.89% | 2.76% | 3.08% | 3.12% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | 1.01% | 1.11% | 1.26% | 1.42% | 1.65% | 1.20% | 1.41% | 1.76% | 2.03% | 1.71% | 1.92% | 1.98% |
Frequently Asked Questions
VBIMX and VTSAX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VTSAX has higher volatility (3.05%) compared to VBIMX (1.41%). In terms of maximum drawdown, VBIMX dropped -19.07% vs VTSAX's -55.33%.
VTSAX currently has the higher Sharpe Ratio (2.31 vs 1.15), 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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