AULDX vs. BCHYX
Compare and contrast key facts about American Century Ultra Fund Class R6 (AULDX) and American Century California High Yield Municipal Fund (BCHYX).
AULDX is an actively managed fund by American Century. It was launched on Jul 26, 2013. BCHYX is managed by American Century. It was launched on Dec 29, 1986.
Performance
AULDX vs. BCHYX - Performance Comparison
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AULDX vs. BCHYX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AULDX American Century Ultra Fund Class R6 | -8.71% | 13.05% | 29.99% | 43.86% | -32.15% | 23.89% | 50.31% | 35.23% | 1.04% | 32.36% |
BCHYX American Century California High Yield Municipal Fund | -0.38% | 3.48% | 4.07% | 6.69% | -12.77% | 3.82% | 3.95% | 9.92% | 0.65% | 8.50% |
Returns By Period
In the year-to-date period, AULDX achieves a -8.71% return, which is significantly lower than BCHYX's -0.38% return. Over the past 10 years, AULDX has outperformed BCHYX with an annualized return of 16.54%, while BCHYX has yielded a comparatively lower 2.39% annualized return.
AULDX
- 1D
- 3.99%
- 1M
- -5.39%
- YTD
- -8.71%
- 6M
- -7.74%
- 1Y
- 15.31%
- 3Y*
- 18.40%
- 5Y*
- 9.78%
- 10Y*
- 16.54%
BCHYX
- 1D
- 0.42%
- 1M
- -2.05%
- YTD
- -0.38%
- 6M
- 1.36%
- 1Y
- 3.49%
- 3Y*
- 3.71%
- 5Y*
- 0.66%
- 10Y*
- 2.39%
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AULDX vs. BCHYX - Expense Ratio Comparison
AULDX has a 0.52% expense ratio, which is higher than BCHYX's 0.49% expense ratio.
Return for Risk
AULDX vs. BCHYX — Risk / Return Rank
AULDX
BCHYX
AULDX vs. BCHYX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Ultra Fund Class R6 (AULDX) and American Century California High Yield Municipal Fund (BCHYX). 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.
| AULDX | BCHYX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.70 | 0.66 | +0.04 |
Sortino ratioReturn per unit of downside risk | 1.18 | 0.93 | +0.24 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.18 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.04 | 0.78 | +0.26 |
Martin ratioReturn relative to average drawdown | 3.65 | 2.32 | +1.33 |
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
| AULDX | BCHYX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.70 | 0.66 | +0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.44 | 0.14 | +0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.50 | +0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | 1.19 | -0.48 |
Correlation
The correlation between AULDX and BCHYX is -0.02. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
AULDX vs. BCHYX - Dividend Comparison
AULDX's dividend yield for the trailing twelve months is around 11.61%, more than BCHYX's 4.34% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AULDX American Century Ultra Fund Class R6 | 11.61% | 10.60% | 3.32% | 5.68% | 6.97% | 6.42% | 2.67% | 4.18% | 7.94% | 6.19% | 4.45% | 5.06% |
BCHYX American Century California High Yield Municipal Fund | 4.34% | 4.58% | 4.41% | 3.67% | 2.55% | 2.57% | 3.07% | 3.50% | 3.52% | 3.50% | 3.59% | 3.67% |
Drawdowns
AULDX vs. BCHYX - Drawdown Comparison
The maximum AULDX drawdown since its inception was -35.03%, which is greater than BCHYX's maximum drawdown of -18.35%. Use the drawdown chart below to compare losses from any high point for AULDX and BCHYX.
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Drawdown Indicators
| AULDX | BCHYX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.03% | -18.35% | -16.68% |
Max Drawdown (1Y)Largest decline over 1 year | -15.60% | -5.76% | -9.84% |
Max Drawdown (5Y)Largest decline over 5 years | -35.03% | -18.35% | -16.68% |
Max Drawdown (10Y)Largest decline over 10 years | -35.03% | -18.35% | -16.68% |
Current DrawdownCurrent decline from peak | -12.23% | -2.35% | -9.88% |
Average DrawdownAverage peak-to-trough decline | -6.23% | -2.39% | -3.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.45% | 1.93% | +2.52% |
Volatility
AULDX vs. BCHYX - Volatility Comparison
American Century Ultra Fund Class R6 (AULDX) has a higher volatility of 7.21% compared to American Century California High Yield Municipal Fund (BCHYX) at 1.24%. This indicates that AULDX's price experiences larger fluctuations and is considered to be riskier than BCHYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AULDX | BCHYX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.21% | 1.24% | +5.97% |
Volatility (6M)Calculated over the trailing 6-month period | 13.25% | 1.97% | +11.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.37% | 5.98% | +17.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.60% | 4.83% | +17.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.04% | 4.79% | +17.25% |