TWUAX
American Century Ultra Fund A Class
Mutual fund
$92.49+1.10 (+1.20%)Close Oct 2, 2026
Oct 2, 1996 – Oct 2, 2026, Dividends reinvested
- Final balance
- $163,468
- CAGR
- +9.76%
- Max drawdown
- −62.97%
- Sharpe ratio
- 0.55
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Growth of $10,000
Trailing returns (%)
Annualized from 3Y- 1M
- +4.07%
- 3M
- +4.64%
- 6M
- +17.57%
- YTD
- +8.33%
- 1Y
- +8.76%
- 3Y
- +21.16%
- 5Y
- +10.18%
- 10Y
- +17.34%
- 15Y
- +16.79%
- 20Y
- +12.70%
- 25Y
- +10.53%
- 30Y
- +9.76%
- Since 1996
- +9.76%
Metrics
Since 1996| Volatility | 21.28% |
|---|---|
| Sortino ratio | 0.77 |
| Calmar ratio | 0.16 |
| Best year, 2020 | +49.42% |
| Worst year, 2008 | −41.92% |
| Positive years | 23 of 29 |
| Longest drawdown | 13.5 years |
Worst drawdowns
Since 1996| Decline | Peak | Bottom | Recovered | Length |
|---|---|---|---|---|
| −63.0% | Mar 2000 | Mar 2009 | Sep 2013 | 13.5 years |
| −35.4% | Nov 2021 | Oct 2022 | Feb 2024 | 2.2 years |
| −32.0% | Feb 2020 | Mar 2020 | Jun 2020 | 4 months |
| −26.3% | Jul 1998 | Oct 1998 | Dec 1998 | 5 months |
| −24.9% | Dec 2024 | Apr 2025 | Jul 2025 | 8 months |
Annual returns
1996 from Oct 2 · 2026 through Oct 2