AREVX vs. VFIAX

Last updated Jun 5, 2026

AREVX (American Century Investments One Choice 2055 Portfolio) and VFIAX (Vanguard 500 Index Fund Admiral Shares) are both mutual funds - AREVX is a Target Retirement Date fund managed by American Century, while VFIAX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, AREVX returned 10.01%/yr vs 15.54%/yr for VFIAX. With a 0.96 correlation, they move nearly in lockstep. AREVX charges 0.88%/yr vs 0.04%/yr for VFIAX.

Performance

AREVX vs. VFIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Investments One Choice 2055 Portfolio (AREVX) and Vanguard 500 Index Fund Admiral Shares (VFIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AREVX achieves a 7.45% return, which is significantly lower than VFIAX's 10.87% return. Over the past 10 years, AREVX has underperformed VFIAX with an annualized return of 10.01%, while VFIAX has yielded a comparatively higher 15.54% annualized return.

AREVX

• 1D: -0.65%
• 1M: 2.27%
• YTD: 7.45%
• 6M: 7.83%
• 1Y: 18.91%
• 3Y*: 14.42%
• 5Y*: 6.72%
• 10Y*: 10.01%

VFIAX

• 1D: -0.73%
• 1M: 4.17%
• YTD: 10.87%
• 6M: 10.78%
• 1Y: 27.99%
• 3Y*: 22.42%
• 5Y*: 13.87%
• 10Y*: 15.54%

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

AREVX vs. VFIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AREVX American Century Investments One Choice 2055 Portfolio	7.45%	15.53%	12.13%	15.78%	-17.66%	13.86%	17.90%	24.49%	-5.65%	18.57%
VFIAX Vanguard 500 Index Fund Admiral Shares	10.87%	17.83%	24.97%	26.24%	-18.16%	28.65%	18.32%	31.46%	-4.45%	21.78%

Correlation

The correlation between AREVX and VFIAX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Apr 1, 2011	0.96

The correlation between AREVX and VFIAX has been stable across timeframes, ranging from 0.92 to 0.96 - a consistent structural relationship.

Return for Risk

AREVX vs. VFIAX — Risk / Return Rank

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

AREVX

AREVX Risk / Return Rank: 45
AREVX Sharpe Ratio Rank: 45
AREVX Sortino Ratio Rank: 44
AREVX Omega Ratio Rank: 45
AREVX Calmar Ratio Rank: 39
AREVX Martin Ratio Rank: 50

VFIAX

VFIAX Risk / Return Rank: 66
VFIAX Sharpe Ratio Rank: 64
VFIAX Sortino Ratio Rank: 59
VFIAX Omega Ratio Rank: 59
VFIAX Calmar Ratio Rank: 67
VFIAX Martin Ratio Rank: 79

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.

AREVX vs. VFIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Investments One Choice 2055 Portfolio (AREVX) and Vanguard 500 Index Fund Admiral Shares (VFIAX). 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.

	AREVX	VFIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.92	2.37	-0.45
Sortino ratio: Return per unit of downside risk	2.72	3.24	-0.52
Omega ratio: Gain probability vs. loss probability	1.35	1.43	-0.08
Calmar ratio: Return relative to maximum drawdown	2.33	3.16	-0.83
Martin ratio: Return relative to average drawdown	10.03	14.76	-4.73
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AREVX vs. VFIAX - Sharpe Ratio Comparison

The current AREVX Sharpe Ratio is 1.92, which is comparable to the VFIAX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of AREVX and VFIAX, 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

	AREVX	VFIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.92	2.37	-0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.83	-0.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.71	0.86	-0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.47	+0.19

Drawdowns

AREVX vs. VFIAX - Drawdown Comparison

The maximum AREVX drawdown since its inception was -30.16%, smaller than the maximum VFIAX drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for AREVX and VFIAX.

Drawdown Indicators

	AREVX	VFIAX	Difference
Max Drawdown Largest peak-to-trough decline	-30.16%	-55.20%	+25.04%
Max Drawdown (1Y) Largest decline over 1 year	-8.28%	-8.90%	+0.62%
Max Drawdown (3Y) Largest decline over 3 years	-13.59%	-18.75%	+5.16%
Max Drawdown (5Y) Largest decline over 5 years	-25.65%	-24.53%	-1.12%
Max Drawdown (10Y) Largest decline over 10 years	-30.16%	-33.83%	+3.67%
Current Drawdown Current decline from peak	-0.65%	-0.73%	+0.08%
Average Drawdown Average peak-to-trough decline	-4.32%	-9.40%	+5.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.92%	1.90%	+0.02%

Volatility

AREVX vs. VFIAX - Volatility Comparison

American Century Investments One Choice 2055 Portfolio (AREVX) and Vanguard 500 Index Fund Admiral Shares (VFIAX) have volatilities of 2.95% and 2.92%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AREVX	VFIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.95%	2.92%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	7.99%	8.99%	-1.00%
Volatility (1Y) Calculated over the trailing 1-year period	10.04%	11.88%	-1.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.20%	16.90%	-3.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.17%	18.07%	-3.90%

AREVX vs. VFIAX - Expense Ratio Comparison

AREVX has a 0.88% expense ratio, which is higher than VFIAX's 0.04% expense ratio.

Dividends

AREVX vs. VFIAX - Dividend Comparison

AREVX's dividend yield for the trailing twelve months is around 12.29%, more than VFIAX's 1.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AREVX American Century Investments One Choice 2055 Portfolio	12.29%	13.20%	4.07%	1.55%	6.15%	7.51%	5.18%	7.65%	9.58%	2.28%	3.29%	5.20%
VFIAX Vanguard 500 Index Fund Admiral Shares	1.02%	1.12%	1.24%	1.45%	1.68%	1.24%	1.53%	1.87%	2.05%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both AREVX and VFIAX in my portfolio?

With a correlation of 0.93, AREVX and VFIAX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, AREVX or VFIAX?

AREVX has higher volatility (2.95%) compared to VFIAX (2.92%). In terms of maximum drawdown, AREVX dropped -30.16% vs VFIAX's -55.20%.

Which has better risk-adjusted returns?

VFIAX currently has the higher Sharpe Ratio (2.37 vs 1.92), 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.