EDF vs. VEMBX

Last updated Jun 4, 2026

EDF (Virtus Stone Harbor Emerging Markets Income Fund) and VEMBX (Vanguard Emerging Markets Bond Fund Investor Shares) are both Emerging Markets Bonds funds. Over the past 5 years, EDF returned 5.04%/yr vs 4.30%/yr for VEMBX. At a 0.34 correlation, their price movements are largely independent. EDF charges 1.45%/yr vs 0.55%/yr for VEMBX.

Performance

EDF vs. VEMBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus Stone Harbor Emerging Markets Income Fund (EDF) and Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EDF achieves a 14.37% return, which is significantly higher than VEMBX's 2.78% return.

EDF

• 1D: -0.56%
• 1M: 4.45%
• YTD: 14.37%
• 6M: 17.21%
• 1Y: 23.80%
• 3Y*: 27.49%
• 5Y*: 5.04%
• 10Y*: 4.94%

VEMBX

• 1D: 0.19%
• 1M: 1.16%
• YTD: 2.78%
• 6M: 3.29%
• 1Y: 13.47%
• 3Y*: 11.68%
• 5Y*: 4.30%
• 10Y*: —

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

EDF vs. VEMBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EDF Virtus Stone Harbor Emerging Markets Income Fund	14.37%	22.24%	25.54%	21.63%	-27.96%	-8.47%	-31.14%	45.06%	-18.24%	22.55%
VEMBX Vanguard Emerging Markets Bond Fund Investor Shares	2.78%	14.32%	7.38%	13.66%	-13.18%	-1.53%	14.99%	17.72%	-0.89%	13.12%

Correlation

The correlation between EDF and VEMBX is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.34

Return for Risk

EDF vs. VEMBX — Risk / Return Rank

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

EDF

EDF Risk / Return Rank: 38
EDF Sharpe Ratio Rank: 34
EDF Sortino Ratio Rank: 35
EDF Omega Ratio Rank: 32
EDF Calmar Ratio Rank: 44
EDF Martin Ratio Rank: 46

VEMBX

VEMBX Risk / Return Rank: 89
VEMBX Sharpe Ratio Rank: 93
VEMBX Sortino Ratio Rank: 96
VEMBX Omega Ratio Rank: 91
VEMBX Calmar Ratio Rank: 80
VEMBX Martin Ratio Rank: 85

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.

EDF vs. VEMBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus Stone Harbor Emerging Markets Income Fund (EDF) 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.

	EDF	VEMBX	Difference
Sharpe ratio: Return per unit of total volatility	1.67	3.17	-1.51
Sortino ratio: Return per unit of downside risk	2.47	5.17	-2.71
Omega ratio: Gain probability vs. loss probability	1.30	1.66	-0.36
Calmar ratio: Return relative to maximum drawdown	2.53	3.68	-1.15
Martin ratio: Return relative to average drawdown	9.68	16.26	-6.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EDF vs. VEMBX - Sharpe Ratio Comparison

The current EDF Sharpe Ratio is 1.67, which is lower than the VEMBX Sharpe Ratio of 3.17. The chart below compares the historical Sharpe Ratios of EDF and VEMBX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	EDF	VEMBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.67	3.17	-1.51
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	0.68	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	1.08	-0.95

Drawdowns

EDF vs. VEMBX - Drawdown Comparison

The maximum EDF drawdown since its inception was -64.23%, which is greater than VEMBX's maximum drawdown of -24.36%. Use the drawdown chart below to compare losses from any high point for EDF and VEMBX.

Drawdown Indicators

	EDF	VEMBX	Difference
Max Drawdown Largest peak-to-trough decline	-64.23%	-24.36%	-39.87%
Max Drawdown (1Y) Largest decline over 1 year	-9.44%	-3.77%	-5.67%
Max Drawdown (3Y) Largest decline over 3 years	-24.32%	-5.56%	-18.76%
Max Drawdown (5Y) Largest decline over 5 years	-52.53%	-24.36%	-28.17%
Max Drawdown (10Y) Largest decline over 10 years	-64.23%	—	—
Current Drawdown Current decline from peak	-6.20%	0.00%	-6.20%
Average Drawdown Average peak-to-trough decline	-21.48%	-3.87%	-17.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.46%	0.85%	+1.61%

Volatility

EDF vs. VEMBX - Volatility Comparison

Virtus Stone Harbor Emerging Markets Income Fund (EDF) has a higher volatility of 4.95% compared to Vanguard Emerging Markets Bond Fund Investor Shares (VEMBX) at 1.45%. This indicates that EDF's price experiences larger fluctuations and is considered to be riskier than VEMBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EDF	VEMBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.95%	1.45%	+3.50%
Volatility (6M) Calculated over the trailing 6-month period	11.48%	3.57%	+7.91%
Volatility (1Y) Calculated over the trailing 1-year period	14.39%	4.38%	+10.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.64%	6.35%	+19.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.69%	6.36%	+24.33%

EDF vs. VEMBX - Expense Ratio Comparison

EDF has a 1.45% expense ratio, which is higher than VEMBX's 0.55% expense ratio.

Dividends

EDF vs. VEMBX - Dividend Comparison

EDF's dividend yield for the trailing twelve months is around 13.43%, more than VEMBX's 6.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EDF Virtus Stone Harbor Emerging Markets Income Fund	13.43%	14.49%	15.32%	16.71%	17.31%	12.91%	16.46%	15.67%	19.37%	13.58%	14.75%	17.93%
VEMBX Vanguard Emerging Markets Bond Fund Investor Shares	6.00%	6.20%	6.86%	7.06%	5.43%	5.00%	4.50%	6.27%	4.81%	6.50%	0.00%	0.00%

Frequently Asked Questions

Can I hold both EDF and VEMBX in my portfolio?

EDF and VEMBX have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EDF or VEMBX?

EDF has higher volatility (4.95%) compared to VEMBX (1.45%). In terms of maximum drawdown, EDF dropped -64.23% vs VEMBX's -24.36%.

Which has better risk-adjusted returns?

VEMBX currently has the higher Sharpe Ratio (3.17 vs 1.67), 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.