ARGNX vs. TWCUX

Last updated Jun 5, 2026

ARGNX (American Century One Choice 2060 Portfolio Class I) and TWCUX (American Century Ultra Fund) are both mutual funds - ARGNX is a Target Retirement Date fund actively managed by American Century, while TWCUX is a Large Cap Growth Equities fund managed by American Century. Over the past 10 years, ARGNX returned 10.15%/yr vs 18.10%/yr for TWCUX. Their correlation of 0.87 suggests significant overlap in exposure. ARGNX charges 0.69%/yr vs 0.93%/yr for TWCUX.

Performance

ARGNX vs. TWCUX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century One Choice 2060 Portfolio Class I (ARGNX) and American Century Ultra Fund (TWCUX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with ARGNX having a 7.80% return and TWCUX slightly higher at 7.91%. Over the past 10 years, ARGNX has underperformed TWCUX with an annualized return of 10.15%, while TWCUX has yielded a comparatively higher 18.10% annualized return.

ARGNX

• 1D: -0.74%
• 1M: 2.35%
• YTD: 7.80%
• 6M: 8.21%
• 1Y: 19.67%
• 3Y*: 14.99%
• 5Y*: 7.15%
• 10Y*: 10.15%

TWCUX

• 1D: -1.62%
• 1M: 3.99%
• YTD: 7.91%
• 6M: 6.18%
• 1Y: 22.99%
• 3Y*: 21.28%
• 5Y*: 12.30%
• 10Y*: 18.10%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ARGNX vs. TWCUX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARGNX American Century One Choice 2060 Portfolio Class I	7.80%	16.04%	12.70%	16.29%	-17.64%	14.60%	18.33%	25.10%	-7.93%	18.94%
TWCUX American Century Ultra Fund	7.91%	12.66%	29.54%	43.36%	-32.38%	23.47%	49.79%	34.60%	0.70%	31.65%

Correlation

The correlation between ARGNX and TWCUX is 0.80, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.87

The correlation between ARGNX and TWCUX has been stable across timeframes, ranging from 0.80 to 0.87 - a consistent structural relationship.

Return for Risk

ARGNX vs. TWCUX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ARGNX

ARGNX Risk / Return Rank: 46
ARGNX Sharpe Ratio Rank: 47
ARGNX Sortino Ratio Rank: 46
ARGNX Omega Ratio Rank: 46
ARGNX Calmar Ratio Rank: 41
ARGNX Martin Ratio Rank: 52

TWCUX

TWCUX Risk / Return Rank: 22
TWCUX Sharpe Ratio Rank: 25
TWCUX Sortino Ratio Rank: 23
TWCUX Omega Ratio Rank: 22
TWCUX Calmar Ratio Rank: 18
TWCUX Martin Ratio Rank: 20

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ARGNX vs. TWCUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century One Choice 2060 Portfolio Class I (ARGNX) and American Century Ultra Fund (TWCUX). 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.

	ARGNX	TWCUX	Difference
Sharpe ratio: Return per unit of total volatility	1.94	1.45	+0.49
Sortino ratio: Return per unit of downside risk	2.74	2.01	+0.73
Omega ratio: Gain probability vs. loss probability	1.35	1.25	+0.10
Calmar ratio: Return relative to maximum drawdown	2.34	1.51	+0.83
Martin ratio: Return relative to average drawdown	10.14	5.28	+4.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARGNX vs. TWCUX - Sharpe Ratio Comparison

The current ARGNX Sharpe Ratio is 1.94, which is higher than the TWCUX Sharpe Ratio of 1.45. The chart below compares the historical Sharpe Ratios of ARGNX and TWCUX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ARGNX	TWCUX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	1.45	+0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.55	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.70	0.82	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	0.53	+0.18

Drawdowns

ARGNX vs. TWCUX - Drawdown Comparison

The maximum ARGNX drawdown since its inception was -30.83%, smaller than the maximum TWCUX drawdown of -62.11%. Use the drawdown chart below to compare losses from any high point for ARGNX and TWCUX.

Drawdown Indicators

	ARGNX	TWCUX	Difference
Max Drawdown Largest peak-to-trough decline	-30.83%	-62.11%	+31.28%
Max Drawdown (1Y) Largest decline over 1 year	-8.56%	-15.72%	+7.16%
Max Drawdown (3Y) Largest decline over 3 years	-14.06%	-24.86%	+10.80%
Max Drawdown (5Y) Largest decline over 5 years	-25.77%	-35.23%	+9.46%
Max Drawdown (10Y) Largest decline over 10 years	-30.83%	-35.23%	+4.40%
Current Drawdown Current decline from peak	-0.74%	-2.00%	+1.26%
Average Drawdown Average peak-to-trough decline	-4.74%	-16.81%	+12.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	4.48%	-2.51%

Volatility

ARGNX vs. TWCUX - Volatility Comparison

The current volatility for American Century One Choice 2060 Portfolio Class I (ARGNX) is 3.06%, while American Century Ultra Fund (TWCUX) has a volatility of 4.24%. This indicates that ARGNX experiences smaller price fluctuations and is considered to be less risky than TWCUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARGNX	TWCUX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.06%	4.24%	-1.18%
Volatility (6M) Calculated over the trailing 6-month period	8.27%	12.44%	-4.17%
Volatility (1Y) Calculated over the trailing 1-year period	10.36%	16.39%	-6.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.51%	22.56%	-9.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.51%	22.08%	-7.57%

ARGNX vs. TWCUX - Expense Ratio Comparison

ARGNX has a 0.69% expense ratio, which is lower than TWCUX's 0.93% expense ratio.

Dividends

ARGNX vs. TWCUX - Dividend Comparison

ARGNX's dividend yield for the trailing twelve months is around 10.13%, less than TWCUX's 10.73% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARGNX American Century One Choice 2060 Portfolio Class I	10.13%	10.92%	3.42%	1.82%	7.69%	6.64%	3.52%	5.90%	5.17%	1.82%	1.22%	0.00%
TWCUX American Century Ultra Fund	10.73%	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

Can I hold both ARGNX and TWCUX in my portfolio?

ARGNX and TWCUX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARGNX or TWCUX?

TWCUX has higher volatility (4.24%) compared to ARGNX (3.06%). In terms of maximum drawdown, ARGNX dropped -30.83% vs TWCUX's -62.11%.

Which has better risk-adjusted returns?

ARGNX currently has the higher Sharpe Ratio (1.94 vs 1.45), 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.