FEUPX vs. MAILX

Last updated Jun 23, 2026

FEUPX (American Funds EuroPacific Growth Fund Class F-3) and MAILX (BlackRock International Fund of BlackRock Series, Inc.) are both Foreign Large Cap Equities funds. Over the past 5 years, FEUPX returned 5.58%/yr vs 2.68%/yr for MAILX. Their correlation of 0.91 suggests significant overlap in exposure. FEUPX charges 0.46%/yr vs 0.65%/yr for MAILX.

Performance

FEUPX vs. MAILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds EuroPacific Growth Fund Class F-3 (FEUPX) and BlackRock International Fund of BlackRock Series, Inc. (MAILX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with FEUPX having a 12.66% return and MAILX slightly higher at 12.68%.

FEUPX

• 1D: 0.89%
• 1M: 3.87%
• YTD: 12.66%
• 6M: 13.55%
• 1Y: 30.28%
• 3Y*: 15.20%
• 5Y*: 5.58%
• 10Y*: —

MAILX

• 1D: 1.42%
• 1M: 3.31%
• YTD: 12.68%
• 6M: 13.65%
• 1Y: 24.52%
• 3Y*: 11.10%
• 5Y*: 2.68%
• 10Y*: 8.23%

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

FEUPX vs. MAILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FEUPX American Funds EuroPacific Growth Fund Class F-3	12.66%	29.34%	3.00%	16.12%	-22.78%	2.86%	25.24%	27.42%	-17.33%	22.64%
MAILX BlackRock International Fund of BlackRock Series, Inc.	12.68%	15.60%	0.46%	19.67%	-24.24%	9.32%	21.82%	31.77%	-21.45%	28.39%

Correlation

The correlation between FEUPX and MAILX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.91

The correlation between FEUPX and MAILX has been stable across timeframes, ranging from 0.89 to 0.92 - a consistent structural relationship.

Return for Risk

FEUPX vs. MAILX — Risk / Return Rank

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

FEUPX

FEUPX Risk / Return Rank: 43
FEUPX Sharpe Ratio Rank: 43
FEUPX Sortino Ratio Rank: 42
FEUPX Omega Ratio Rank: 44
FEUPX Calmar Ratio Rank: 42
FEUPX Martin Ratio Rank: 44

MAILX

MAILX Risk / Return Rank: 31
MAILX Sharpe Ratio Rank: 31
MAILX Sortino Ratio Rank: 29
MAILX Omega Ratio Rank: 31
MAILX Calmar Ratio Rank: 30
MAILX Martin Ratio Rank: 34

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.

FEUPX vs. MAILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds EuroPacific Growth Fund Class F-3 (FEUPX) and BlackRock International Fund of BlackRock Series, Inc. (MAILX). 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.

	FEUPX	MAILX	Difference
Sharpe ratio: Return per unit of total volatility	1.78	1.50	+0.29
Sortino ratio: Return per unit of downside risk	2.51	2.11	+0.39
Omega ratio: Gain probability vs. loss probability	1.33	1.27	+0.06
Calmar ratio: Return relative to maximum drawdown	2.35	1.92	+0.43
Martin ratio: Return relative to average drawdown	8.73	7.16	+1.57

FEUPX vs. MAILX - Sharpe Ratio Comparison

The current FEUPX Sharpe Ratio is 1.78, which is comparable to the MAILX Sharpe Ratio of 1.50. The chart below compares the historical Sharpe Ratios of FEUPX and MAILX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FEUPX vs. MAILX - Drawdown Comparison

The maximum FEUPX drawdown since its inception was -37.31%, smaller than the maximum MAILX drawdown of -59.57%. Use the drawdown chart below to compare losses from any high point for FEUPX and MAILX.

Drawdown Indicators

	FEUPX	MAILX	Difference
Max Drawdown Largest peak-to-trough decline	-37.31%	-59.57%	+22.26%
Max Drawdown (1Y) Largest decline over 1 year	-12.52%	-12.34%	-0.18%
Max Drawdown (3Y) Largest decline over 3 years	-15.62%	-17.36%	+1.74%
Max Drawdown (5Y) Largest decline over 5 years	-37.31%	-41.68%	+4.37%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.68%	—
Current Drawdown Current decline from peak	0.00%	-0.08%	+0.08%
Average Drawdown Average peak-to-trough decline	-10.62%	-16.11%	+5.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.36%	3.30%	+0.06%

Volatility

FEUPX vs. MAILX - Volatility Comparison

American Funds EuroPacific Growth Fund Class F-3 (FEUPX) has a higher volatility of 6.85% compared to BlackRock International Fund of BlackRock Series, Inc. (MAILX) at 6.29%. This indicates that FEUPX's price experiences larger fluctuations and is considered to be riskier than MAILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FEUPX	MAILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.85%	6.29%	+0.56%
Volatility (6M) Calculated over the trailing 6-month period	14.31%	13.59%	+0.72%
Volatility (1Y) Calculated over the trailing 1-year period	16.48%	15.83%	+0.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.88%	18.02%	-1.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.15%	18.40%	-1.25%

FEUPX vs. MAILX - Expense Ratio Comparison

FEUPX has a 0.46% expense ratio, which is lower than MAILX's 0.65% expense ratio.

Dividends

FEUPX vs. MAILX - Dividend Comparison

FEUPX's dividend yield for the trailing twelve months is around 16.28%, more than MAILX's 1.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FEUPX American Funds EuroPacific Growth Fund Class F-3	16.28%	13.94%	4.96%	3.94%	2.02%	10.18%	0.40%	3.14%	3.17%	3.28%	0.00%	0.00%
MAILX BlackRock International Fund of BlackRock Series, Inc.	1.59%	1.79%	0.90%	1.08%	1.13%	7.30%	0.33%	1.11%	1.83%	1.39%	1.62%	0.65%

Frequently Asked Questions

Can I hold both FEUPX and MAILX in my portfolio?

FEUPX and MAILX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FEUPX or MAILX?

FEUPX has higher volatility (6.85%) compared to MAILX (6.29%). In terms of maximum drawdown, FEUPX dropped -37.31% vs MAILX's -59.57%.

Which has better risk-adjusted returns?

FEUPX currently has the higher Sharpe Ratio (1.78 vs 1.50), 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.