ACFFX vs. FAERX
ACFFX (Columbia Acorn International Select Fund) and FAERX (Fidelity Advisor Overseas Fund Class M) are both Foreign Large Cap Equities funds. Over the past 10 years, ACFFX returned 7.57%/yr vs 7.06%/yr for FAERX. Their correlation of 0.83 suggests significant overlap in exposure. ACFFX charges 0.98%/yr vs 1.65%/yr for FAERX.
Performance
ACFFX vs. FAERX - Performance Comparison
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Returns By Period
Over the past 10 years, ACFFX has outperformed FAERX with an annualized return of 7.57%, while FAERX has yielded a comparatively lower 7.06% annualized return.
ACFFX
- 1D
- 1.33%
- 1M
- 5.20%
- YTD
- 6.50%
- 6M
- 7.05%
- 1Y
- 17.82%
- 3Y*
- 9.13%
- 5Y*
- 0.90%
- 10Y*
- 7.57%
FAERX
- 1D
- 0.00%
- 1M
- 0.00%
- YTD
- 0.00%
- 6M
- 0.00%
- 1Y
- 0.04%
- 3Y*
- 7.45%
- 5Y*
- 3.31%
- 10Y*
- 7.06%
ACFFX vs. FAERX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACFFX Columbia Acorn International Select Fund | 6.50% | 21.35% | -0.03% | 18.42% | -36.66% | 10.79% | 18.84% | 33.68% | -12.30% | 35.71% |
FAERX Fidelity Advisor Overseas Fund Class M | 0.00% | 14.70% | 4.40% | 19.78% | -24.77% | 18.63% | 14.43% | 27.14% | -15.25% | 29.37% |
Correlation
The correlation between ACFFX and FAERX is 0.52, 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 | 0.52 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.86 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.87 |
Correlation (All Time) Calculated using the full available price history since Nov 23, 1998 | 0.83 |
Over the past year, the correlation between ACFFX and FAERX has dropped to 0.52 - well below their long-term average of 0.83, suggesting their price drivers have been diverging.
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Return for Risk
ACFFX vs. FAERX — Risk / Return Rank
ACFFX
FAERX
ACFFX vs. FAERX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Acorn International Select Fund (ACFFX) and Fidelity Advisor Overseas Fund Class M (FAERX). 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.
| ACFFX | FAERX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.00 | ||
| Sortino ratioReturn per unit of downside risk | +1.46 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 0.99 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 1.16 | -0.10 | +1.26 |
| Martin ratioReturn relative to average drawdown | 3.89 | -0.16 | +4.04 |
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Drawdowns
ACFFX vs. FAERX - Drawdown Comparison
The maximum ACFFX drawdown since its inception was -64.23%, which is greater than FAERX's maximum drawdown of -60.14%. Use the drawdown chart below to compare losses from any high point for ACFFX and FAERX.
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Drawdown Indicators
| ACFFX | FAERX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.23% | -60.14% | -4.09% |
Max Drawdown (1Y)Largest decline over 1 year | -14.48% | -7.29% | -7.19% |
Max Drawdown (3Y)Largest decline over 3 years | -18.12% | -14.00% | -4.12% |
Max Drawdown (5Y)Largest decline over 5 years | -47.50% | -36.62% | -10.88% |
Max Drawdown (10Y)Largest decline over 10 years | -47.50% | -36.62% | -10.88% |
Current DrawdownCurrent decline from peak | -6.85% | -5.89% | -0.96% |
Average DrawdownAverage peak-to-trough decline | -19.91% | -14.36% | -5.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.32% | 4.16% | +0.16% |
Volatility
ACFFX vs. FAERX - Volatility Comparison
Columbia Acorn International Select Fund (ACFFX) has a higher volatility of 5.68% compared to Fidelity Advisor Overseas Fund Class M (FAERX) at 0.00%. This indicates that ACFFX's price experiences larger fluctuations and is considered to be riskier than FAERX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACFFX | FAERX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.68% | 0.00% | +5.68% |
Volatility (6M)Calculated over the trailing 6-month period | 15.33% | 3.62% | +11.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.28% | 8.78% | +9.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.21% | 16.72% | +3.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.22% | 16.64% | +2.58% |
ACFFX vs. FAERX - Expense Ratio Comparison
ACFFX has a 0.98% expense ratio, which is lower than FAERX's 1.65% expense ratio.
Dividends
ACFFX vs. FAERX - Dividend Comparison
ACFFX's dividend yield for the trailing twelve months is around 3.65%, less than FAERX's 7.94% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACFFX Columbia Acorn International Select Fund | 3.65% | 6.63% | 1.15% | 0.00% | 4.20% | 5.12% | 0.54% | 9.53% | 7.79% | 0.26% | 1.03% | 2.31% |
FAERX Fidelity Advisor Overseas Fund Class M | 7.94% | 7.94% | 0.96% | 0.51% | 0.12% | 2.07% | 0.00% | 1.15% | 4.25% | 3.35% | 0.80% | 0.09% |
Frequently Asked Questions
ACFFX and FAERX have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACFFX has higher volatility (5.68%) compared to FAERX (0.00%). In terms of maximum drawdown, ACFFX dropped -64.23% vs FAERX's -60.14%.
ACFFX currently has the higher Sharpe Ratio (0.92 vs -0.08), 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.
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