VCORX vs. ABNFX
VCORX (Vanguard Core Bond Fund Investor Shares) and ABNFX (American Funds The Bond Fund of America® Class F-2) are both mutual funds - VCORX is a Total Bond Market fund managed by Vanguard, while ABNFX is a Intermediate Core Bond fund actively managed by American Funds. Over the past 10 years, VCORX returned 1.91%/yr vs 1.66%/yr for ABNFX. Their correlation of 0.94 means they have usually moved in the same direction. VCORX charges 0.20%/yr vs 0.34%/yr for ABNFX.
Performance
VCORX vs. ABNFX - Performance Comparison
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Returns By Period
In the year-to-date period, VCORX achieves a -0.25% return, which is significantly higher than ABNFX's -0.96% return. Over the past 10 years, VCORX has outperformed ABNFX with an annualized return of 1.91%, while ABNFX has yielded a comparatively lower 1.66% annualized return.
VCORX
- 1D
- 0.00%
- 1M
- -0.89%
- 6M
- -0.57%
- YTD
- -0.25%
- 1Y
- 2.22%
- 3Y*
- 4.35%
- 5Y*
- -0.09%
- 10Y*
- 1.91%
- ALL TIME*
- 2.16%
ABNFX
- 1D
- 0.00%
- 1M
- -1.25%
- 6M
- -1.22%
- YTD
- -0.96%
- 1Y
- 1.57%
- 3Y*
- 3.62%
- 5Y*
- -0.56%
- 10Y*
- 1.66%
- ALL TIME*
- 2.77%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VCORX vs. ABNFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VCORX Vanguard Core Bond Fund Investor Shares | -0.25% | 7.68% | 2.10% | 5.90% | -13.27% | -0.80% | 10.19% | 9.47% | -0.92% | 4.34% |
ABNFX American Funds The Bond Fund of America® Class F-2 | -0.96% | 7.42% | 1.42% | 4.29% | -13.08% | -0.88% | 10.86% | 8.08% | 0.15% | 3.48% |
Correlation
The correlation between VCORX and ABNFX is 0.90, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.90 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.94 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2016 | 0.94 |
The correlation between VCORX and ABNFX has been stable across timeframes, ranging from 0.90 to 0.96 - a consistent structural relationship.
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Return for Risk
VCORX vs. ABNFX — Risk / Return Rank
VCORX
ABNFX
VCORX vs. ABNFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Core Bond Fund Investor Shares (VCORX) and American Funds The Bond Fund of America® Class F-2 (ABNFX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VCORX | ABNFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.10 | ||
| Sortino ratioReturn per unit of downside risk | +0.14 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.13 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.16 | 0.93 | +0.24 |
| Martin ratioReturn relative to average drawdown | 2.98 | 2.27 | +0.71 |
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Drawdowns
VCORX vs. ABNFX - Drawdown Comparison
The maximum VCORX drawdown since its inception was -18.14%, roughly equal to the maximum ABNFX drawdown of -17.69%. Use the drawdown chart below to compare losses from any high point for VCORX and ABNFX.
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Drawdown Indicators
| VCORX | ABNFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.14% | -17.69% | -0.45% |
Max Drawdown (1Y)Largest decline over 1 year | -2.64% | -3.09% | +0.45% |
Max Drawdown (3Y)Largest decline over 3 years | -4.95% | -5.11% | +0.16% |
Max Drawdown (5Y)Largest decline over 5 years | -18.14% | -17.65% | -0.49% |
Max Drawdown (10Y)Largest decline over 10 years | -18.14% | -17.69% | -0.45% |
Current DrawdownCurrent decline from peak | -2.01% | -3.05% | +1.04% |
Average DrawdownAverage peak-to-trough decline | -4.22% | -3.28% | -0.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.03% | 1.26% | -0.23% |
Volatility
VCORX vs. ABNFX - Volatility Comparison
Vanguard Core Bond Fund Investor Shares (VCORX) and American Funds The Bond Fund of America® Class F-2 (ABNFX) have volatilities of 0.91% and 0.95%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VCORX | ABNFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.91% | 0.95% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 2.87% | 3.02% | -0.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.60% | 3.81% | -0.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.81% | 5.97% | -0.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.80% | 4.90% | -0.10% |
VCORX vs. ABNFX - Expense Ratio Comparison
VCORX has a 0.20% expense ratio, which is lower than ABNFX's 0.34% expense ratio.
Dividends
VCORX vs. ABNFX - Dividend Comparison
VCORX's dividend yield for the trailing twelve months is around 4.31%, more than ABNFX's 4.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ABNFX American Funds The Bond Fund of America® Class F-2 | 4.06% | 4.37% | 4.55% | 3.19% | 2.37% | 2.07% | 5.15% | 3.72% | 2.65% | 2.10% | 2.31% | 2.24% |
VCORX Vanguard Core Bond Fund Investor Shares | 4.31% | 4.70% | 4.93% | 3.99% | 2.90% | 1.91% | 2.95% | 2.93% | 2.98% | 2.62% | 2.20% | 0.00% |
Frequently Asked Questions
With a correlation of 0.90, VCORX and ABNFX 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.
ABNFX has higher volatility (0.95%) compared to VCORX (0.91%). In terms of maximum drawdown, VCORX dropped -18.14% vs ABNFX's -17.69%.
VCORX currently has the higher Sharpe Ratio (0.85 vs 0.76), 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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