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VCOBX vs. VTABX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

VCOBX vs. VTABX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Core Bond Fund Admiral Shares (VCOBX) and Vanguard Total International Bond Index Fund Admiral Shares (VTABX). The values are adjusted to include any dividend payments, if applicable.

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VCOBX vs. VTABX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
VCOBX
Vanguard Core Bond Fund Admiral Shares
-0.05%7.73%2.21%6.39%-13.13%-1.51%10.41%9.64%-0.85%3.89%
VTABX
Vanguard Total International Bond Index Fund Admiral Shares
-0.45%2.96%3.92%8.77%-12.92%-2.22%4.54%8.83%2.97%2.39%

Returns By Period

In the year-to-date period, VCOBX achieves a -0.05% return, which is significantly higher than VTABX's -0.45% return. Over the past 10 years, VCOBX has outperformed VTABX with an annualized return of 2.24%, while VTABX has yielded a comparatively lower 1.79% annualized return.


VCOBX

1D
0.22%
1M
-1.42%
YTD
-0.05%
6M
0.75%
1Y
4.24%
3Y*
4.38%
5Y*
0.68%
10Y*
2.24%

VTABX

1D
0.37%
1M
-1.99%
YTD
-0.45%
6M
0.01%
1Y
2.44%
3Y*
3.81%
5Y*
0.15%
10Y*
1.79%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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VCOBX vs. VTABX - Expense Ratio Comparison

VCOBX has a 0.10% expense ratio, which is lower than VTABX's 0.11% 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

VCOBX vs. VTABX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VCOBX
VCOBX Risk / Return Rank: 5858
Overall Rank
VCOBX Sharpe Ratio Rank: 6060
Sharpe Ratio Rank
VCOBX Sortino Ratio Rank: 6060
Sortino Ratio Rank
VCOBX Omega Ratio Rank: 4545
Omega Ratio Rank
VCOBX Calmar Ratio Rank: 7474
Calmar Ratio Rank
VCOBX Martin Ratio Rank: 5454
Martin Ratio Rank

VTABX
VTABX Risk / Return Rank: 3535
Overall Rank
VTABX Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
VTABX Sortino Ratio Rank: 3636
Sortino Ratio Rank
VTABX Omega Ratio Rank: 3030
Omega Ratio Rank
VTABX Calmar Ratio Rank: 3232
Calmar Ratio Rank
VTABX Martin Ratio Rank: 3636
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VCOBX vs. VTABX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Core Bond Fund Admiral Shares (VCOBX) and Vanguard Total International Bond Index Fund Admiral Shares (VTABX). 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.


VCOBXVTABXDifference

Sharpe ratio

Return per unit of total volatility

1.11

0.89

+0.23

Sortino ratio

Return per unit of downside risk

1.60

1.23

+0.36

Omega ratio

Gain probability vs. loss probability

1.20

1.16

+0.04

Calmar ratio

Return relative to maximum drawdown

1.77

0.94

+0.83

Martin ratio

Return relative to average drawdown

5.33

3.89

+1.43

VCOBX vs. VTABX - Sharpe Ratio Comparison

The current VCOBX Sharpe Ratio is 1.11, which is comparable to the VTABX Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of VCOBX and VTABX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


VCOBXVTABXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.11

0.89

+0.23

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.12

0.03

+0.08

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.47

0.50

-0.03

Sharpe Ratio (All Time)

Calculated using the full available price history

0.48

0.73

-0.25

Correlation

The correlation between VCOBX and VTABX is 0.76, 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

VCOBX vs. VTABX - Dividend Comparison

VCOBX's dividend yield for the trailing twelve months is around 4.35%, more than VTABX's 4.21% yield.


TTM20252024202320222021202020192018201720162015
VCOBX
Vanguard Core Bond Fund Admiral Shares
4.35%4.80%5.04%4.44%3.01%1.23%3.09%3.08%3.10%2.20%2.29%0.00%
VTABX
Vanguard Total International Bond Index Fund Admiral Shares
4.21%4.36%4.33%4.39%1.48%3.70%1.08%4.28%3.00%2.23%1.80%1.64%

Drawdowns

VCOBX vs. VTABX - Drawdown Comparison

The maximum VCOBX drawdown since its inception was -18.14%, which is greater than VTABX's maximum drawdown of -16.16%. Use the drawdown chart below to compare losses from any high point for VCOBX and VTABX.


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Drawdown Indicators


VCOBXVTABXDifference

Max Drawdown

Largest peak-to-trough decline

-18.14%

-16.16%

-1.98%

Max Drawdown (1Y)

Largest decline over 1 year

-2.70%

-2.90%

+0.20%

Max Drawdown (5Y)

Largest decline over 5 years

-18.03%

-15.81%

-2.22%

Max Drawdown (10Y)

Largest decline over 10 years

-18.14%

-16.16%

-1.98%

Current Drawdown

Current decline from peak

-1.88%

-2.29%

+0.41%

Average Drawdown

Average peak-to-trough decline

-4.22%

-3.06%

-1.16%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.90%

0.70%

+0.20%

Volatility

VCOBX vs. VTABX - Volatility Comparison

Vanguard Core Bond Fund Admiral Shares (VCOBX) has a higher volatility of 1.60% compared to Vanguard Total International Bond Index Fund Admiral Shares (VTABX) at 1.46%. This indicates that VCOBX's price experiences larger fluctuations and is considered to be riskier than VTABX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


VCOBXVTABXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.60%

1.46%

+0.14%

Volatility (6M)

Calculated over the trailing 6-month period

2.46%

2.03%

+0.43%

Volatility (1Y)

Calculated over the trailing 1-year period

4.15%

3.06%

+1.09%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

5.75%

4.39%

+1.36%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.74%

3.58%

+1.16%