TWCUX vs. BCITX
TWCUX (American Century Ultra Fund) and BCITX (American Century California Intermediate-Term Tax-Free Bond Fund) are both mutual funds - TWCUX is a Large Cap Growth Equities fund managed by American Century, while BCITX is a Municipal Bonds fund managed by American Century. Over the past 10 years, TWCUX returned 18.08%/yr vs 1.77%/yr for BCITX. At a correlation of -0.01, they often move in opposite directions. TWCUX charges 0.93%/yr vs 0.46%/yr for BCITX.
Performance
TWCUX vs. BCITX - Performance Comparison
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Returns By Period
In the year-to-date period, TWCUX achieves a 3.79% return, which is significantly higher than BCITX's 1.10% return. Over the past 10 years, TWCUX has outperformed BCITX with an annualized return of 18.08%, while BCITX has yielded a comparatively lower 1.77% annualized return.
TWCUX
- 1D
- -1.43%
- 1M
- -3.17%
- YTD
- 3.79%
- 6M
- 2.38%
- 1Y
- 18.43%
- 3Y*
- 18.97%
- 5Y*
- 10.35%
- 10Y*
- 18.08%
BCITX
- 1D
- -0.09%
- 1M
- 1.15%
- YTD
- 1.10%
- 6M
- 1.54%
- 1Y
- 5.73%
- 3Y*
- 3.72%
- 5Y*
- 1.06%
- 10Y*
- 1.77%
TWCUX vs. BCITX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWCUX American Century Ultra Fund | 3.79% | 12.66% | 29.54% | 43.36% | -32.38% | 23.47% | 49.79% | 34.60% | 0.70% | 31.65% |
BCITX American Century California Intermediate-Term Tax-Free Bond Fund | 1.10% | 4.74% | 2.17% | 4.75% | -7.36% | 1.11% | 3.71% | 6.62% | 0.71% | 4.63% |
Correlation
The correlation between TWCUX and BCITX is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.08 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.08 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.03 |
Correlation (All Time) Calculated using the full available price history since Nov 15, 1983 | -0.01 |
The correlation between TWCUX and BCITX shifts across timeframes, from -0.01 (all time) to 0.20 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
TWCUX vs. BCITX — Risk / Return Rank
TWCUX
BCITX
TWCUX vs. BCITX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Ultra Fund (TWCUX) and American Century California Intermediate-Term Tax-Free Bond Fund (BCITX). 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.
| TWCUX | BCITX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.55 | ||
| Sortino ratioReturn per unit of downside risk | -2.84 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.72 | -0.51 |
| Calmar ratioReturn relative to maximum drawdown | 1.26 | 2.23 | -0.97 |
| Martin ratioReturn relative to average drawdown | 4.28 | 7.10 | -2.83 |
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Drawdowns
TWCUX vs. BCITX - Drawdown Comparison
The maximum TWCUX drawdown since its inception was -62.11%, which is greater than BCITX's maximum drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for TWCUX and BCITX.
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Drawdown Indicators
| TWCUX | BCITX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.11% | -12.17% | -49.94% |
Max Drawdown (1Y)Largest decline over 1 year | -15.72% | -2.62% | -13.10% |
Max Drawdown (3Y)Largest decline over 3 years | -24.86% | -4.25% | -20.61% |
Max Drawdown (5Y)Largest decline over 5 years | -35.23% | -11.40% | -23.83% |
Max Drawdown (10Y)Largest decline over 10 years | -35.23% | -11.40% | -23.83% |
Current DrawdownCurrent decline from peak | -5.73% | -0.82% | -4.91% |
Average DrawdownAverage peak-to-trough decline | -16.79% | -1.92% | -14.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.62% | 0.82% | +3.80% |
Volatility
TWCUX vs. BCITX - Volatility Comparison
American Century Ultra Fund (TWCUX) has a higher volatility of 6.51% compared to American Century California Intermediate-Term Tax-Free Bond Fund (BCITX) at 0.63%. This indicates that TWCUX's price experiences larger fluctuations and is considered to be riskier than BCITX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TWCUX | BCITX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.51% | 0.63% | +5.88% |
Volatility (6M)Calculated over the trailing 6-month period | 13.51% | 1.71% | +11.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.27% | 2.18% | +15.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.69% | 3.00% | +19.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.16% | 3.37% | +18.79% |
TWCUX vs. BCITX - Expense Ratio Comparison
TWCUX has a 0.93% expense ratio, which is higher than BCITX's 0.46% expense ratio.
Dividends
TWCUX vs. BCITX - Dividend Comparison
TWCUX's dividend yield for the trailing twelve months is around 11.15%, more than BCITX's 3.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BCITX American Century California Intermediate-Term Tax-Free Bond Fund | 3.04% | 3.49% | 3.40% | 2.70% | 1.67% | 1.93% | 2.22% | 2.77% | 2.65% | 2.48% | 2.42% | 2.39% |
TWCUX American Century Ultra Fund | 11.15% | 11.57% | 3.58% | 6.09% | 7.42% | 6.78% | 2.80% | 4.27% | 8.24% | 5.85% | 4.58% | 5.21% |
Frequently Asked Questions
TWCUX and BCITX have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TWCUX has higher volatility (6.51%) compared to BCITX (0.63%). In terms of maximum drawdown, TWCUX dropped -62.11% vs BCITX's -12.17%.
BCITX currently has the higher Sharpe Ratio (2.69 vs 1.15), 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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