VCPAX vs. VEMBX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Core-Plus Bond Fund Admiral Shares (VCPAX) and Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX).

VCPAX is managed by Vanguard. It was launched on Oct 25, 2021. VEMBX is managed by Vanguard. It was launched on Mar 10, 2016.

Performance

VCPAX vs. VEMBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Core-Plus Bond Fund Admiral Shares (VCPAX) and Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX). The values are adjusted to include any dividend payments, if applicable.

VCPAX vs. VEMBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
VCPAX Vanguard Core-Plus Bond Fund Admiral Shares	-0.41%	8.06%	2.95%	6.80%	-12.60%	0.32%
VEMBX Vanguard Emerging Markets Bond Fund Investor Shares	-1.87%	14.32%	7.38%	13.66%	-13.18%	-0.85%

Returns By Period

In the year-to-date period, VCPAX achieves a -0.41% return, which is significantly higher than VEMBX's -1.87% return.

VCPAX

• 1D: 0.47%
• 1M: -2.20%
• YTD: -0.41%
• 6M: 0.76%
• 1Y: 4.63%
• 3Y*: 4.80%
• 5Y*: —
• 10Y*: —

VEMBX

• 1D: -0.10%
• 1M: -3.68%
• YTD: -1.87%
• 6M: 1.55%
• 1Y: 9.39%
• 3Y*: 10.11%
• 5Y*: 4.06%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

VCPAX vs. VEMBX - Expense Ratio Comparison

VCPAX has a 0.20% expense ratio, which is lower than VEMBX's 0.55% expense ratio.

VEMBX

Vanguard Emerging Markets Bond Fund Investor Shares

VCPAX

Vanguard Core-Plus Bond Fund Admiral Shares

Return for Risk

VCPAX vs. VEMBX — Risk / Return Rank

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

VCPAX

VCPAX Risk / Return Rank: 69
VCPAX Sharpe Ratio Rank: 69
VCPAX Sortino Ratio Rank: 70
VCPAX Omega Ratio Rank: 56
VCPAX Calmar Ratio Rank: 82
VCPAX Martin Ratio Rank: 69

VEMBX

VEMBX Risk / Return Rank: 90
VEMBX Sharpe Ratio Rank: 90
VEMBX Sortino Ratio Rank: 92
VEMBX Omega Ratio Rank: 89
VEMBX Calmar Ratio Rank: 87
VEMBX Martin Ratio Rank: 91

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.

VCPAX vs. VEMBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Core-Plus Bond Fund Admiral Shares (VCPAX) and Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX). 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.

	VCPAX	VEMBX	Difference
Sharpe ratio Return per unit of total volatility	1.19	1.87	-0.67
Sortino ratio Return per unit of downside risk	1.72	2.69	-0.97
Omega ratio Gain probability vs. loss probability	1.22	1.39	-0.17
Calmar ratio Return relative to maximum drawdown	1.96	2.26	-0.29
Martin ratio Return relative to average drawdown	6.49	10.41	-3.93
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VCPAX vs. VEMBX - Sharpe Ratio Comparison

The current VCPAX Sharpe Ratio is 1.19, which is lower than the VEMBX Sharpe Ratio of 1.87. The chart below compares the historical Sharpe Ratios of VCPAX and VEMBX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VCPAX	VEMBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.19	1.87	-0.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.65	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	1.01	-0.86

Correlation

The correlation between VCPAX and VEMBX is 0.72, 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

VCPAX vs. VEMBX - Dividend Comparison

VCPAX's dividend yield for the trailing twelve months is around 4.45%, less than VEMBX's 5.69% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCPAX Vanguard Core-Plus Bond Fund Admiral Shares	4.45%	4.86%	5.19%	4.55%	3.26%	0.27%	0.00%	0.00%	0.00%	0.00%
VEMBX Vanguard Emerging Markets Bond Fund Investor Shares	5.69%	6.20%	6.86%	7.06%	5.43%	5.00%	4.50%	6.27%	4.81%	6.50%

Drawdowns

VCPAX vs. VEMBX - Drawdown Comparison

The maximum VCPAX drawdown since its inception was -17.25%, smaller than the maximum VEMBX drawdown of -24.36%. Use the drawdown chart below to compare losses from any high point for VCPAX and VEMBX.

Drawdown Indicators

	VCPAX	VEMBX	Difference
Max Drawdown Largest peak-to-trough decline	-17.25%	-24.36%	+7.11%
Max Drawdown (1Y) Largest decline over 1 year	-2.72%	-4.26%	+1.54%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.36%	—
Current Drawdown Current decline from peak	-2.20%	-3.77%	+1.57%
Average Drawdown Average peak-to-trough decline	-6.65%	-3.93%	-2.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.82%	0.92%	-0.10%

Volatility

VCPAX vs. VEMBX - Volatility Comparison

The current volatility for Vanguard Core-Plus Bond Fund Admiral Shares (VCPAX) is 1.56%, while Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX) has a volatility of 2.03%. This indicates that VCPAX experiences smaller price fluctuations and is considered to be less risky than VEMBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VCPAX	VEMBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.56%	2.03%	-0.47%
Volatility (6M) Calculated over the trailing 6-month period	2.35%	2.86%	-0.51%
Volatility (1Y) Calculated over the trailing 1-year period	4.04%	5.06%	-1.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.70%	6.28%	-0.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.70%	6.37%	-0.67%