AONIX vs. TWHIX
AONIX (American Century Investments One Choice Portfolio: Very Conservative) and TWHIX (American Century Heritage Fund) are both mutual funds - AONIX is a Diversified Portfolio fund managed by American Century, while TWHIX is a Mid Cap Growth Equities fund managed by American Century. Over the past 10 years, AONIX returned 4.38%/yr vs 11.38%/yr for TWHIX. Their 0.75 correlation means they have sometimes moved together and sometimes differently. AONIX charges 0.00%/yr vs 1.00%/yr for TWHIX.
Performance
AONIX vs. TWHIX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with AONIX having a 2.90% return and TWHIX slightly lower at 2.89%. Over the past 10 years, AONIX has underperformed TWHIX with an annualized return of 4.38%, while TWHIX has yielded a comparatively higher 11.38% annualized return.
AONIX
- 1D
- 0.08%
- 1M
- -0.25%
- 6M
- 1.95%
- YTD
- 2.90%
- 1Y
- 6.13%
- 3Y*
- 6.63%
- 5Y*
- 2.49%
- 10Y*
- 4.38%
- ALL TIME*
- 4.41%
TWHIX
- 1D
- -0.23%
- 1M
- -4.21%
- 6M
- 2.25%
- YTD
- 2.89%
- 1Y
- 0.13%
- 3Y*
- 11.82%
- 5Y*
- 3.26%
- 10Y*
- 11.38%
- ALL TIME*
- 10.97%
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 |
AONIX vs. TWHIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AONIX American Century Investments One Choice Portfolio: Very Conservative | 2.90% | 7.52% | 5.92% | 7.60% | -11.35% | 6.63% | 9.43% | 11.96% | -0.93% | 6.46% |
TWHIX American Century Heritage Fund | 2.89% | 6.53% | 24.66% | 20.64% | -28.13% | 11.52% | 42.61% | 35.50% | -5.08% | 21.83% |
Correlation
The correlation between AONIX and TWHIX is 0.74, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.74 |
Correlation (3Y) Balances recent behavior with more history. | 0.67 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.69 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.71 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2004 | 0.75 |
The correlation between AONIX and TWHIX has been stable across timeframes, ranging from 0.67 to 0.75 - a consistent structural relationship.
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Return for Risk
AONIX vs. TWHIX — Risk / Return Rank
AONIX
TWHIX
AONIX vs. TWHIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Investments One Choice Portfolio: Very Conservative (AONIX) 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.
| AONIX | TWHIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.64 | ||
| Sortino ratioReturn per unit of downside risk | +2.24 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.00 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 1.78 | -0.10 | +1.87 |
| Martin ratioReturn relative to average drawdown | 7.73 | -0.27 | +8.00 |
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Drawdowns
AONIX vs. TWHIX - Drawdown Comparison
The maximum AONIX drawdown since its inception was -15.27%, smaller than the maximum TWHIX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for AONIX and TWHIX.
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Drawdown Indicators
| AONIX | TWHIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.27% | -56.98% | +41.71% |
Max Drawdown (1Y)Largest decline over 1 year | -3.51% | -15.82% | +12.31% |
Max Drawdown (3Y)Largest decline over 3 years | -4.47% | -26.30% | +21.83% |
Max Drawdown (5Y)Largest decline over 5 years | -15.27% | -40.34% | +25.07% |
Max Drawdown (10Y)Largest decline over 10 years | -15.27% | -40.34% | +25.07% |
Current DrawdownCurrent decline from peak | -0.41% | -5.40% | +4.99% |
Average DrawdownAverage peak-to-trough decline | -1.97% | -12.21% | +10.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.81% | 5.56% | -4.75% |
Volatility
AONIX vs. TWHIX - Volatility Comparison
The current volatility for American Century Investments One Choice Portfolio: Very Conservative (AONIX) is 0.88%, while American Century Heritage Fund (TWHIX) has a volatility of 4.81%. This indicates that AONIX 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
| AONIX | TWHIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.88% | 4.81% | -3.93% |
Volatility (6M)Calculated over the trailing 6-month period | 3.25% | 14.77% | -11.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.02% | 18.52% | -14.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.42% | 23.40% | -17.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.25% | 22.85% | -17.60% |
AONIX vs. TWHIX - Expense Ratio Comparison
AONIX has a 0.00% expense ratio, which is lower than TWHIX's 1.00% expense ratio.
Dividends
AONIX vs. TWHIX - Dividend Comparison
AONIX's dividend yield for the trailing twelve months is around 3.57%, less than TWHIX's 21.52% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AONIX American Century Investments One Choice Portfolio: Very Conservative | 3.57% | 3.82% | 3.10% | 2.80% | 7.19% | 6.36% | 3.46% | 3.57% | 5.83% | 3.08% | 2.16% | 2.79% |
TWHIX American Century Heritage Fund | 21.52% | 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
AONIX and TWHIX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TWHIX has higher volatility (4.81%) compared to AONIX (0.88%). In terms of maximum drawdown, AONIX dropped -15.27% vs TWHIX's -56.98%.
AONIX currently has the higher Sharpe Ratio (1.56 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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