TWIEX vs. ACFOX
Compare and contrast key facts about American Century International Growth Fund (TWIEX) and American Century Investments Focused Dynamic Growth Fund (ACFOX).
TWIEX is managed by American Century. It was launched on May 8, 1991. ACFOX is managed by American Century. It was launched on May 31, 2006.
Performance
TWIEX vs. ACFOX - Performance Comparison
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TWIEX vs. ACFOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWIEX American Century International Growth Fund | -8.07% | 15.58% | 2.31% | 12.31% | -24.98% | 8.61% | 25.59% | 28.37% | -14.44% | 31.04% |
ACFOX American Century Investments Focused Dynamic Growth Fund | -14.41% | 20.51% | 43.30% | 35.66% | -36.32% | 7.08% | 73.31% | 32.30% | 6.51% | 34.55% |
Returns By Period
In the year-to-date period, TWIEX achieves a -8.07% return, which is significantly higher than ACFOX's -14.41% return. Over the past 10 years, TWIEX has underperformed ACFOX with an annualized return of 5.91%, while ACFOX has yielded a comparatively higher 16.85% annualized return.
TWIEX
- 1D
- 0.32%
- 1M
- -12.34%
- YTD
- -8.07%
- 6M
- -7.78%
- 1Y
- 4.30%
- 3Y*
- 3.33%
- 5Y*
- -0.23%
- 10Y*
- 5.91%
ACFOX
- 1D
- -0.86%
- 1M
- -8.88%
- YTD
- -14.41%
- 6M
- -10.23%
- 1Y
- 19.65%
- 3Y*
- 21.09%
- 5Y*
- 6.51%
- 10Y*
- 16.85%
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TWIEX vs. ACFOX - Expense Ratio Comparison
TWIEX has a 1.36% expense ratio, which is higher than ACFOX's 0.85% expense ratio.
Return for Risk
TWIEX vs. ACFOX — Risk / Return Rank
TWIEX
ACFOX
TWIEX vs. ACFOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century International Growth Fund (TWIEX) and American Century Investments Focused Dynamic Growth Fund (ACFOX). 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.
| TWIEX | ACFOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.19 | 0.77 | -0.58 |
Sortino ratioReturn per unit of downside risk | 0.39 | 1.26 | -0.87 |
Omega ratioGain probability vs. loss probability | 1.05 | 1.17 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | 0.19 | 0.94 | -0.75 |
Martin ratioReturn relative to average drawdown | 0.71 | 3.40 | -2.69 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TWIEX | ACFOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.19 | 0.77 | -0.58 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.01 | 0.26 | -0.27 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.33 | 0.71 | -0.39 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.37 | 0.52 | -0.15 |
Correlation
The correlation between TWIEX and ACFOX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
TWIEX vs. ACFOX - Dividend Comparison
TWIEX's dividend yield for the trailing twelve months is around 3.60%, less than ACFOX's 8.83% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TWIEX American Century International Growth Fund | 3.60% | 3.31% | 1.01% | 0.00% | 2.89% | 12.00% | 4.48% | 0.37% | 13.87% | 5.31% | 0.49% | 5.66% |
ACFOX American Century Investments Focused Dynamic Growth Fund | 8.83% | 7.56% | 0.00% | 0.00% | 0.00% | 2.48% | 0.62% | 0.00% | 0.00% | 0.00% | 1.15% | 1.33% |
Drawdowns
TWIEX vs. ACFOX - Drawdown Comparison
The maximum TWIEX drawdown since its inception was -62.43%, which is greater than ACFOX's maximum drawdown of -58.92%. Use the drawdown chart below to compare losses from any high point for TWIEX and ACFOX.
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Drawdown Indicators
| TWIEX | ACFOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.43% | -58.92% | -3.51% |
Max Drawdown (1Y)Largest decline over 1 year | -13.04% | -16.52% | +3.48% |
Max Drawdown (5Y)Largest decline over 5 years | -38.76% | -43.77% | +5.01% |
Max Drawdown (10Y)Largest decline over 10 years | -38.76% | -43.77% | +5.01% |
Current DrawdownCurrent decline from peak | -12.77% | -16.52% | +3.75% |
Average DrawdownAverage peak-to-trough decline | -16.71% | -14.81% | -1.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.40% | 4.56% | -1.16% |
Volatility
TWIEX vs. ACFOX - Volatility Comparison
American Century International Growth Fund (TWIEX) has a higher volatility of 7.82% compared to American Century Investments Focused Dynamic Growth Fund (ACFOX) at 6.86%. This indicates that TWIEX's price experiences larger fluctuations and is considered to be riskier than ACFOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TWIEX | ACFOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.82% | 6.86% | +0.96% |
Volatility (6M)Calculated over the trailing 6-month period | 11.93% | 14.48% | -2.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.38% | 24.83% | -6.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.06% | 25.20% | -7.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.07% | 23.67% | -5.60% |