VTBNX vs. VCORX
Compare and contrast key facts about Vanguard Total Bond Market II Index Fund (VTBNX) and Vanguard Core Bond Fund Investor Shares (VCORX).
VTBNX is managed by Vanguard. VCORX is managed by Vanguard. It was launched on Mar 28, 2016.
Performance
VTBNX vs. VCORX - Performance Comparison
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VTBNX vs. VCORX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VTBNX Vanguard Total Bond Market II Index Fund | -0.39% | 7.18% | 1.32% | 5.68% | -13.12% | -1.82% | 7.39% | 8.71% | -0.27% | 3.62% |
VCORX Vanguard Core Bond Fund Investor Shares | -0.07% | 7.68% | 2.10% | 5.90% | -13.27% | -0.80% | 10.19% | 9.47% | -0.92% | 4.34% |
Returns By Period
In the year-to-date period, VTBNX achieves a -0.39% return, which is significantly lower than VCORX's -0.07% return. Over the past 10 years, VTBNX has underperformed VCORX with an annualized return of 1.58%, while VCORX has yielded a comparatively higher 2.23% annualized return.
VTBNX
- 1D
- 0.21%
- 1M
- -1.65%
- YTD
- -0.39%
- 6M
- 0.40%
- 1Y
- 3.62%
- 3Y*
- 3.47%
- 5Y*
- 0.19%
- 10Y*
- 1.58%
VCORX
- 1D
- 0.22%
- 1M
- -1.42%
- YTD
- -0.07%
- 6M
- 0.66%
- 1Y
- 4.20%
- 3Y*
- 4.17%
- 5Y*
- 0.52%
- 10Y*
- 2.23%
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VTBNX vs. VCORX - Expense Ratio Comparison
VTBNX has a 0.02% expense ratio, which is lower than VCORX's 0.20% expense ratio. Despite the difference, 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
VTBNX vs. VCORX — Risk / Return Rank
VTBNX
VCORX
VTBNX vs. VCORX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market II Index Fund (VTBNX) and Vanguard Core Bond Fund Investor Shares (VCORX). 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.
| VTBNX | VCORX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.90 | 1.07 | -0.17 |
Sortino ratioReturn per unit of downside risk | 1.30 | 1.55 | -0.25 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.20 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.65 | 1.72 | -0.07 |
Martin ratioReturn relative to average drawdown | 4.63 | 5.22 | -0.59 |
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
| VTBNX | VCORX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.90 | 1.07 | -0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.03 | 0.09 | -0.06 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 0.47 | -0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.37 | 0.47 | -0.10 |
Correlation
The correlation between VTBNX and VCORX is 0.95, 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
VTBNX vs. VCORX - Dividend Comparison
VTBNX's dividend yield for the trailing twelve months is around 3.68%, less than VCORX's 4.26% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
VTBNX Vanguard Total Bond Market II Index Fund | 3.68% | 3.95% | 3.77% | 3.13% | 2.54% | 1.82% | 3.12% | 2.79% | 2.56% | 2.52% | 2.55% |
VCORX Vanguard Core Bond Fund Investor Shares | 4.26% | 4.70% | 4.93% | 3.99% | 2.90% | 1.91% | 2.95% | 2.93% | 2.98% | 2.62% | 2.20% |
Drawdowns
VTBNX vs. VCORX - Drawdown Comparison
The maximum VTBNX drawdown since its inception was -18.71%, roughly equal to the maximum VCORX drawdown of -18.14%. Use the drawdown chart below to compare losses from any high point for VTBNX and VCORX.
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Drawdown Indicators
| VTBNX | VCORX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.71% | -18.14% | -0.57% |
Max Drawdown (1Y)Largest decline over 1 year | -2.67% | -2.75% | +0.08% |
Max Drawdown (5Y)Largest decline over 5 years | -18.05% | -18.14% | +0.09% |
Max Drawdown (10Y)Largest decline over 10 years | -18.71% | -18.14% | -0.57% |
Current DrawdownCurrent decline from peak | -2.91% | -1.83% | -1.08% |
Average DrawdownAverage peak-to-trough decline | -4.91% | -4.31% | -0.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 0.91% | +0.04% |
Volatility
VTBNX vs. VCORX - Volatility Comparison
The current volatility for Vanguard Total Bond Market II Index Fund (VTBNX) is 1.52%, while Vanguard Core Bond Fund Investor Shares (VCORX) has a volatility of 1.64%. This indicates that VTBNX experiences smaller price fluctuations and is considered to be less risky than VCORX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTBNX | VCORX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.52% | 1.64% | -0.12% |
Volatility (6M)Calculated over the trailing 6-month period | 2.54% | 2.46% | +0.08% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.31% | 4.26% | +0.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.92% | 5.78% | +0.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 4.79% | +0.12% |