TWCUX
American Century Ultra Fund Investor Class
Mutual fund
$102.14+1.22 (+1.21%)Close Oct 2, 2026
Oct 30, 1981 – Oct 2, 2026, Dividends reinvested
- Final balance
- $2,090,263
- CAGR
- +12.63%
- Max drawdown
- −62.11%
- Sharpe ratio
- 0.66
Loading the growth chart…
Growth of $10,000
Trailing returns (%)
Annualized from 3Y- 1M
- +4.10%
- 3M
- +4.71%
- 6M
- +17.71%
- YTD
- +8.53%
- 1Y
- +9.03%
- 3Y
- +21.46%
- 5Y
- +10.46%
- 10Y
- +17.63%
- 15Y
- +17.08%
- 20Y
- +12.98%
- 25Y
- +10.81%
- 30Y
- +10.24%
- Since 1981
- +12.63%
Metrics
Since 1981| Volatility | 21.58% |
|---|---|
| Sortino ratio | 0.93 |
| Calmar ratio | 0.20 |
| Best year, 1991 | +86.45% |
| Worst year, 2008 | −41.74% |
| Positive years | 36 of 44 |
| Longest drawdown | 13.3 years |
Worst drawdowns
Since 1981| Decline | Peak | Bottom | Recovered | Length |
|---|---|---|---|---|
| −62.1% | Mar 2000 | Mar 2009 | Aug 2013 | 13.3 years |
| −48.0% | Oct 1987 | Oct 1987 | Apr 1989 | 1.6 years |
| −45.9% | Jun 1983 | Jul 1984 | Jan 1987 | 3.6 years |
| −35.2% | Nov 2021 | Oct 2022 | Feb 2024 | 2.2 years |
| −31.9% | Feb 2020 | Mar 2020 | Jun 2020 | 4 months |
Annual returns
1981 from Oct 30 · 2026 through Oct 2