RBESX vs. AGEPX

Last updated Jun 4, 2026

RBESX (RBC BlueBay Emerging Market Debt Fund) and AGEPX (American Beacon Frontier Markets Income Fund) are both Emerging Markets Bonds funds. Over the past 10 years, RBESX returned 4.96%/yr vs 7.64%/yr for AGEPX. A 0.64 correlation means they provide meaningful diversification when combined. RBESX charges 0.79%/yr vs 1.38%/yr for AGEPX.

Performance

RBESX vs. AGEPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RBC BlueBay Emerging Market Debt Fund (RBESX) and American Beacon Frontier Markets Income Fund (AGEPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RBESX achieves a 3.60% return, which is significantly lower than AGEPX's 6.76% return. Over the past 10 years, RBESX has underperformed AGEPX with an annualized return of 4.96%, while AGEPX has yielded a comparatively higher 7.64% annualized return.

RBESX

• 1D: 0.33%
• 1M: 1.42%
• YTD: 3.60%
• 6M: 4.47%
• 1Y: 15.30%
• 3Y*: 12.55%
• 5Y*: 4.37%
• 10Y*: 4.96%

AGEPX

• 1D: 0.39%
• 1M: 1.38%
• YTD: 6.76%
• 6M: 8.20%
• 1Y: 21.00%
• 3Y*: 16.96%
• 5Y*: 7.92%
• 10Y*: 7.64%

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

RBESX vs. AGEPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RBESX RBC BlueBay Emerging Market Debt Fund	3.60%	14.64%	6.90%	15.63%	-14.57%	-3.45%	7.02%	15.39%	-5.05%	12.78%
AGEPX American Beacon Frontier Markets Income Fund	6.76%	18.76%	15.58%	12.83%	-12.84%	6.64%	2.25%	13.10%	-3.51%	14.90%

Correlation

The correlation between RBESX and AGEPX is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.66
Correlation (All Time) Calculated using the full available price history since Jan 5, 2015	0.64

The correlation between RBESX and AGEPX shifts across timeframes, from 0.64 (all time) to 0.74 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RBESX vs. AGEPX — Risk / Return Rank

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

RBESX

RBESX Risk / Return Rank: 91
RBESX Sharpe Ratio Rank: 97
RBESX Sortino Ratio Rank: 97
RBESX Omega Ratio Rank: 96
RBESX Calmar Ratio Rank: 82
RBESX Martin Ratio Rank: 83

AGEPX

AGEPX Risk / Return Rank: 98
AGEPX Sharpe Ratio Rank: 100
AGEPX Sortino Ratio Rank: 99
AGEPX Omega Ratio Rank: 99
AGEPX Calmar Ratio Rank: 97
AGEPX Martin Ratio Rank: 98

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.

RBESX vs. AGEPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RBC BlueBay Emerging Market Debt Fund (RBESX) and American Beacon Frontier Markets Income Fund (AGEPX). 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.

	RBESX	AGEPX	Difference
Sharpe ratio: Return per unit of total volatility	3.71	5.84	-2.13
Sortino ratio: Return per unit of downside risk	6.07	9.93	-3.85
Omega ratio: Gain probability vs. loss probability	1.82	2.59	-0.77
Calmar ratio: Return relative to maximum drawdown	3.76	6.76	-3.00
Martin ratio: Return relative to average drawdown	15.71	30.62	-14.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RBESX vs. AGEPX - Sharpe Ratio Comparison

The current RBESX Sharpe Ratio is 3.71, which is lower than the AGEPX Sharpe Ratio of 5.84. The chart below compares the historical Sharpe Ratios of RBESX and AGEPX, 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

	RBESX	AGEPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.71	5.84	-2.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	1.54	-0.91
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.13	1.54	-1.41
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	1.33	-1.22

Drawdowns

RBESX vs. AGEPX - Drawdown Comparison

The maximum RBESX drawdown since its inception was -51.19%, which is greater than AGEPX's maximum drawdown of -22.47%. Use the drawdown chart below to compare losses from any high point for RBESX and AGEPX.

Drawdown Indicators

	RBESX	AGEPX	Difference
Max Drawdown Largest peak-to-trough decline	-51.19%	-22.47%	-28.72%
Max Drawdown (1Y) Largest decline over 1 year	-4.18%	-3.17%	-1.01%
Max Drawdown (3Y) Largest decline over 3 years	-7.02%	-4.80%	-2.22%
Max Drawdown (5Y) Largest decline over 5 years	-26.82%	-22.47%	-4.35%
Max Drawdown (10Y) Largest decline over 10 years	-51.19%	-22.47%	-28.72%
Current Drawdown Current decline from peak	-17.90%	0.00%	-17.90%
Average Drawdown Average peak-to-trough decline	-25.42%	-3.64%	-21.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	0.70%	+0.30%

Volatility

RBESX vs. AGEPX - Volatility Comparison

RBC BlueBay Emerging Market Debt Fund (RBESX) has a higher volatility of 1.58% compared to American Beacon Frontier Markets Income Fund (AGEPX) at 0.89%. This indicates that RBESX's price experiences larger fluctuations and is considered to be riskier than AGEPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBESX	AGEPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.58%	0.89%	+0.69%
Volatility (6M) Calculated over the trailing 6-month period	3.51%	2.99%	+0.52%
Volatility (1Y) Calculated over the trailing 1-year period	4.24%	3.67%	+0.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.96%	5.16%	+1.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	36.88%	4.98%	+31.90%

RBESX vs. AGEPX - Expense Ratio Comparison

RBESX has a 0.79% expense ratio, which is lower than AGEPX's 1.38% expense ratio.

Dividends

RBESX vs. AGEPX - Dividend Comparison

RBESX's dividend yield for the trailing twelve months is around 5.04%, less than AGEPX's 9.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGEPX American Beacon Frontier Markets Income Fund	9.58%	9.79%	11.92%	9.40%	7.26%	7.65%	7.07%	8.38%	9.55%	7.09%	8.28%	6.80%
RBESX RBC BlueBay Emerging Market Debt Fund	5.04%	5.58%	6.59%	6.60%	7.85%	3.37%	3.58%	5.94%	3.78%	3.67%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RBESX and AGEPX in my portfolio?

RBESX and AGEPX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBESX or AGEPX?

RBESX has higher volatility (1.58%) compared to AGEPX (0.89%). In terms of maximum drawdown, RBESX dropped -51.19% vs AGEPX's -22.47%.

Which has better risk-adjusted returns?

AGEPX currently has the higher Sharpe Ratio (5.84 vs 3.71), 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.