AEMGX vs. NEWFX

Last updated Aug 1, 2026

AEMGX (Acadian Emerging Markets Portfolio) and NEWFX (American Funds New World Fund) are both Emerging Markets Equities funds. Over the past 10 years, AEMGX returned 10.04%/yr vs 9.96%/yr for NEWFX. Their correlation of 0.84 means they have usually moved in the same direction. AEMGX charges 1.49%/yr vs 0.96%/yr for NEWFX.

Performance

AEMGX vs. NEWFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Acadian Emerging Markets Portfolio (AEMGX) and American Funds New World Fund (NEWFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AEMGX achieves a 18.01% return, which is significantly higher than NEWFX's 11.63% return. Both investments have delivered pretty close results over the past 10 years, with AEMGX having a 10.04% annualized return and NEWFX not far behind at 9.96%.

AEMGX

• 1D: 3.51%
• 1M: -4.69%
• 6M: 7.92%
• YTD: 18.01%
• 1Y: 34.52%
• 3Y*: 20.98%
• 5Y*: 10.55%
• 10Y*: 10.04%
• ALL TIME*: 8.14%

NEWFX

• 1D: 3.30%
• 1M: -1.65%
• 6M: 5.36%
• YTD: 11.63%
• 1Y: 26.28%
• 3Y*: 15.03%
• 5Y*: 6.10%
• 10Y*: 9.96%
• ALL TIME*: 8.38%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AEMGX Acadian Emerging Markets Portfolio	$0.00	$0.00	$0.00
NEWFX American Funds New World Fund	$0.00	$0.00	$0.00

AEMGX vs. NEWFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AEMGX Acadian Emerging Markets Portfolio	18.01%	27.51%	13.91%	22.67%	-20.09%	6.96%	10.35%	18.01%	-18.67%	37.64%
NEWFX American Funds New World Fund	11.63%	28.16%	6.45%	15.75%	-22.08%	4.69%	24.79%	27.51%	-12.32%	32.56%

Correlation

The correlation between AEMGX and NEWFX is 0.91, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.91
Correlation (3Y) Balances recent behavior with more history.	0.85
Correlation (5Y) Shows whether the relationship held over a longer period.	0.82
Correlation (10Y) Provides a long-term view across more market conditions.	0.84
Correlation (All Time) Calculated using the full available price history since Jun 17, 1999	0.84

The correlation between AEMGX and NEWFX has been stable across timeframes, ranging from 0.82 to 0.91 - a consistent structural relationship.

Return for Risk

AEMGX vs. NEWFX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

AEMGX

AEMGX Risk / Return Rank: 55
AEMGX Sharpe Ratio Rank: 55
AEMGX Sortino Ratio Rank: 47
AEMGX Omega Ratio Rank: 59
AEMGX Calmar Ratio Rank: 65
AEMGX Martin Ratio Rank: 50

NEWFX

NEWFX Risk / Return Rank: 53
NEWFX Sharpe Ratio Rank: 54
NEWFX Sortino Ratio Rank: 52
NEWFX Omega Ratio Rank: 57
NEWFX Calmar Ratio Rank: 52
NEWFX Martin Ratio Rank: 50

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

AEMGX vs. NEWFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Acadian Emerging Markets Portfolio (AEMGX) and American Funds New World Fund (NEWFX). 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.

	AEMGX	NEWFX	Difference
Sharpe ratio: Return per unit of total volatility	1.40	1.36	+0.03
Sortino ratio: Return per unit of downside risk	1.87	1.92	-0.05
Omega ratio: Gain probability vs. loss probability	1.27	1.26	+0.01
Calmar ratio: Return relative to maximum drawdown	2.15	1.86	+0.30
Martin ratio: Return relative to average drawdown	6.88	6.73	+0.15

AEMGX vs. NEWFX - Sharpe Ratio Comparison

The current AEMGX Sharpe Ratio is 1.40, which is comparable to the NEWFX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of AEMGX and NEWFX, 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

AEMGX vs. NEWFX - Drawdown Comparison

The maximum AEMGX drawdown since its inception was -70.30%, which is greater than NEWFX's maximum drawdown of -56.71%. Use the drawdown chart below to compare losses from any high point for AEMGX and NEWFX.

Drawdown Indicators

	AEMGX	NEWFX	Difference
Max Drawdown Largest peak-to-trough decline	-70.30%	-56.71%	-13.59%
Max Drawdown (1Y) Largest decline over 1 year	-14.83%	-13.03%	-1.80%
Max Drawdown (3Y) Largest decline over 3 years	-16.20%	-15.18%	-1.02%
Max Drawdown (5Y) Largest decline over 5 years	-34.00%	-33.68%	-0.32%
Max Drawdown (10Y) Largest decline over 10 years	-41.36%	-33.68%	-7.68%
Current Drawdown Current decline from peak	-11.84%	-5.88%	-5.96%
Average Drawdown Average peak-to-trough decline	-19.03%	-11.69%	-7.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	3.59%	+1.04%

Volatility

AEMGX vs. NEWFX - Volatility Comparison

Acadian Emerging Markets Portfolio (AEMGX) has a higher volatility of 9.57% compared to American Funds New World Fund (NEWFX) at 7.07%. This indicates that AEMGX's price experiences larger fluctuations and is considered to be riskier than NEWFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AEMGX	NEWFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.57%	7.07%	+2.50%
Volatility (6M) Calculated over the trailing 6-month period	20.91%	15.91%	+5.00%
Volatility (1Y) Calculated over the trailing 1-year period	22.85%	17.73%	+5.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.27%	15.97%	+1.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.47%	16.33%	+1.14%

AEMGX vs. NEWFX - Expense Ratio Comparison

AEMGX has a 1.49% expense ratio, which is higher than NEWFX's 0.96% expense ratio.

Dividends

AEMGX vs. NEWFX - Dividend Comparison

AEMGX's dividend yield for the trailing twelve months is around 3.64%, less than NEWFX's 5.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AEMGX Acadian Emerging Markets Portfolio	3.64%	4.30%	3.38%	3.85%	7.27%	3.15%	1.29%	1.79%	1.83%	1.30%	2.01%	1.27%
NEWFX American Funds New World Fund	5.11%	5.71%	3.66%	2.46%	0.89%	6.89%	0.10%	3.65%	2.26%	1.90%	0.92%	0.60%

Frequently Asked Questions

Can I hold both AEMGX and NEWFX in my portfolio?

With a correlation of 0.91, AEMGX and NEWFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, AEMGX or NEWFX?

AEMGX has higher volatility (9.57%) compared to NEWFX (7.07%). In terms of maximum drawdown, AEMGX dropped -70.30% vs NEWFX's -56.71%.

Which has better risk-adjusted returns?

AEMGX currently has the higher Sharpe Ratio (1.40 vs 1.36), 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.