ACLAX vs. TWHIX
ACLAX (American Century Mid Cap Value Fund A Class) and TWHIX (American Century Heritage Fund) are both mutual funds - ACLAX is a Mid Cap Value Equities fund managed by American Century, while TWHIX is a Mid Cap Growth Equities fund managed by American Century. Over the past 10 years, ACLAX returned 9.10%/yr vs 11.27%/yr for TWHIX. Their 0.75 correlation means they have sometimes moved together and sometimes differently. ACLAX charges 1.22%/yr vs 1.00%/yr for TWHIX.
Performance
ACLAX vs. TWHIX - Performance Comparison
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Returns By Period
In the year-to-date period, ACLAX achieves a 15.36% return, which is significantly higher than TWHIX's 3.13% return. Over the past 10 years, ACLAX has underperformed TWHIX with an annualized return of 9.10%, while TWHIX has yielded a comparatively higher 11.27% annualized return.
ACLAX
- 1D
- -0.76%
- 1M
- 2.24%
- 6M
- 10.70%
- YTD
- 15.36%
- 1Y
- 20.95%
- 3Y*
- 11.01%
- 5Y*
- 8.35%
- 10Y*
- 9.10%
- ALL TIME*
- 9.06%
TWHIX
- 1D
- 2.10%
- 1M
- -3.99%
- 6M
- 3.23%
- YTD
- 3.13%
- 1Y
- 0.36%
- 3Y*
- 11.89%
- 5Y*
- 3.31%
- 10Y*
- 11.27%
- ALL TIME*
- 10.98%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
ACLAX vs. TWHIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACLAX American Century Mid Cap Value Fund A Class | 15.36% | 8.52% | 8.18% | 5.93% | -1.53% | 23.01% | 1.44% | 28.55% | -12.93% | 11.31% |
TWHIX American Century Heritage Fund | 3.13% | 6.53% | 24.66% | 20.64% | -28.13% | 11.52% | 42.61% | 35.50% | -5.08% | 21.83% |
Correlation
The correlation between ACLAX and TWHIX is 0.48, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.48 |
Correlation (3Y) Balances recent behavior with more history. | 0.54 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.63 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.64 |
Correlation (All Time) Calculated using the full available price history since Jan 13, 2005 | 0.75 |
Over the past year, the correlation between ACLAX and TWHIX has dropped to 0.48 - well below their long-term average of 0.75, suggesting their price drivers have been diverging.
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Return for Risk
ACLAX vs. TWHIX — Risk / Return Rank
ACLAX
TWHIX
ACLAX vs. TWHIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Mid Cap Value Fund A Class (ACLAX) and American Century Heritage Fund (TWHIX). 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.
| ACLAX | TWHIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.76 | ||
| Sortino ratioReturn per unit of downside risk | +2.53 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.00 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 2.29 | -0.13 | +2.41 |
| Martin ratioReturn relative to average drawdown | 7.44 | -0.36 | +7.80 |
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Drawdowns
ACLAX vs. TWHIX - Drawdown Comparison
The maximum ACLAX drawdown since its inception was -51.37%, smaller than the maximum TWHIX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for ACLAX and TWHIX.
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Drawdown Indicators
| ACLAX | TWHIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.37% | -56.98% | +5.61% |
Max Drawdown (1Y)Largest decline over 1 year | -8.50% | -15.82% | +7.32% |
Max Drawdown (3Y)Largest decline over 3 years | -14.67% | -26.30% | +11.63% |
Max Drawdown (5Y)Largest decline over 5 years | -17.55% | -40.34% | +22.79% |
Max Drawdown (10Y)Largest decline over 10 years | -39.24% | -40.34% | +1.10% |
Current DrawdownCurrent decline from peak | -1.17% | -5.18% | +4.01% |
Average DrawdownAverage peak-to-trough decline | -6.22% | -12.21% | +5.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.61% | 5.57% | -2.96% |
Volatility
ACLAX vs. TWHIX - Volatility Comparison
The current volatility for American Century Mid Cap Value Fund A Class (ACLAX) is 3.40%, while American Century Heritage Fund (TWHIX) has a volatility of 4.82%. This indicates that ACLAX experiences smaller price fluctuations and is considered to be less risky than TWHIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACLAX | TWHIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.40% | 4.82% | -1.42% |
Volatility (6M)Calculated over the trailing 6-month period | 8.61% | 14.77% | -6.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.82% | 18.53% | -6.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.59% | 23.41% | -8.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.41% | 22.85% | -5.44% |
ACLAX vs. TWHIX - Expense Ratio Comparison
ACLAX has a 1.22% expense ratio, which is higher than TWHIX's 1.00% expense ratio.
Dividends
ACLAX vs. TWHIX - Dividend Comparison
ACLAX's dividend yield for the trailing twelve months is around 12.51%, less than TWHIX's 21.47% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACLAX American Century Mid Cap Value Fund A Class | 12.51% | 14.24% | 8.53% | 5.01% | 14.77% | 15.72% | 1.62% | 1.23% | 14.17% | 9.25% | 3.82% | 10.86% |
TWHIX American Century Heritage Fund | 21.47% | 22.14% | 15.58% | 0.78% | 0.98% | 12.00% | 13.72% | 11.32% | 25.33% | 9.38% | 8.71% | 0.00% |
Frequently Asked Questions
ACLAX and TWHIX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TWHIX has higher volatility (4.82%) compared to ACLAX (3.40%). In terms of maximum drawdown, ACLAX dropped -51.37% vs TWHIX's -56.98%.
ACLAX currently has the higher Sharpe Ratio (1.65 vs -0.11), 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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