AHIDX vs. TWHIX
AHIDX (American Century High Income R6) and TWHIX (American Century Heritage Fund) are both mutual funds - AHIDX is a High Yield Bonds fund actively managed by American Century, while TWHIX is a Mid Cap Growth Equities fund managed by American Century. Over the past 5 years, AHIDX returned 3.21%/yr vs 3.31%/yr for TWHIX. Their 0.48 correlation means their historical movements had little consistent relationship. AHIDX charges 0.53%/yr vs 1.00%/yr for TWHIX.
Performance
AHIDX vs. TWHIX - Performance Comparison
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Returns By Period
In the year-to-date period, AHIDX achieves a 0.96% return, which is significantly lower than TWHIX's 3.13% return.
AHIDX
- 1D
- 0.23%
- 1M
- -0.92%
- 6M
- 0.50%
- YTD
- 0.96%
- 1Y
- 5.03%
- 3Y*
- 7.49%
- 5Y*
- 3.21%
- 10Y*
- —
- ALL TIME*
- 4.44%
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 |
AHIDX vs. TWHIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AHIDX American Century High Income R6 | 0.96% | 8.92% | 7.55% | 12.09% | -12.54% | 5.74% | 8.24% | 12.64% | -2.60% | 0.76% |
TWHIX American Century Heritage Fund | 3.13% | 6.53% | 24.66% | 20.64% | -28.13% | 11.52% | 42.61% | 35.50% | -5.08% | 4.53% |
Correlation
The correlation between AHIDX and TWHIX is 0.53, 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. | 0.53 |
Correlation (3Y) Balances recent behavior with more history. | 0.49 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.50 |
Correlation (All Time) Calculated using the full available price history since Oct 6, 2017 | 0.48 |
The correlation between AHIDX and TWHIX has been stable across timeframes, ranging from 0.48 to 0.53 - a consistent structural relationship.
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Return for Risk
AHIDX vs. TWHIX — Risk / Return Rank
AHIDX
TWHIX
AHIDX vs. TWHIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century High Income R6 (AHIDX) 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.
| AHIDX | TWHIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.69 | ||
| Sortino ratioReturn per unit of downside risk | +2.75 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.00 | +0.33 |
| Calmar ratioReturn relative to maximum drawdown | 2.15 | -0.13 | +2.27 |
| Martin ratioReturn relative to average drawdown | 9.86 | -0.36 | +10.22 |
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Drawdowns
AHIDX vs. TWHIX - Drawdown Comparison
The maximum AHIDX drawdown since its inception was -21.59%, smaller than the maximum TWHIX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for AHIDX and TWHIX.
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Drawdown Indicators
| AHIDX | TWHIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.59% | -56.98% | +35.39% |
Max Drawdown (1Y)Largest decline over 1 year | -2.52% | -15.82% | +13.30% |
Max Drawdown (3Y)Largest decline over 3 years | -4.05% | -26.30% | +22.25% |
Max Drawdown (5Y)Largest decline over 5 years | -16.42% | -40.34% | +23.92% |
Max Drawdown (10Y)Largest decline over 10 years | — | -40.34% | — |
Current DrawdownCurrent decline from peak | -1.04% | -5.18% | +4.14% |
Average DrawdownAverage peak-to-trough decline | -2.88% | -12.21% | +9.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.55% | 5.57% | -5.02% |
Volatility
AHIDX vs. TWHIX - Volatility Comparison
The current volatility for American Century High Income R6 (AHIDX) is 0.64%, while American Century Heritage Fund (TWHIX) has a volatility of 4.82%. This indicates that AHIDX 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
| AHIDX | TWHIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.64% | 4.82% | -4.18% |
Volatility (6M)Calculated over the trailing 6-month period | 2.74% | 14.77% | -12.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.43% | 18.53% | -15.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.32% | 23.41% | -18.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.94% | 22.85% | -16.91% |
AHIDX vs. TWHIX - Expense Ratio Comparison
AHIDX has a 0.53% expense ratio, which is lower than TWHIX's 1.00% expense ratio.
Dividends
AHIDX vs. TWHIX - Dividend Comparison
AHIDX's dividend yield for the trailing twelve months is around 6.27%, less than TWHIX's 21.47% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
AHIDX American Century High Income R6 | 6.27% | 6.74% | 6.65% | 4.84% | 5.00% | 5.40% | 5.42% | 5.60% | 5.66% | 1.58% | 0.00% |
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% |
Frequently Asked Questions
AHIDX and TWHIX have a correlation of 0.53, 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 AHIDX (0.64%). In terms of maximum drawdown, AHIDX dropped -21.59% vs TWHIX's -56.98%.
AHIDX currently has the higher Sharpe Ratio (1.58 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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