AOCIX vs. AOMIX

Last updated Jun 24, 2026

AOCIX (American Century Investments One Choice Portfolio: Conservative) and AOMIX (American Century Investments One Choice Portfolio: Moderate) are both Diversified Portfolio funds from American Century. Over the past 10 years, AOCIX returned 6.25%/yr vs 8.34%/yr for AOMIX. With a 0.98 correlation, they move nearly in lockstep. Both charge a 0.00% expense ratio.

Performance

AOCIX vs. AOMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Investments One Choice Portfolio: Conservative (AOCIX) and American Century Investments One Choice Portfolio: Moderate (AOMIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AOCIX achieves a 3.69% return, which is significantly lower than AOMIX's 5.88% return. Over the past 10 years, AOCIX has underperformed AOMIX with an annualized return of 6.25%, while AOMIX has yielded a comparatively higher 8.34% annualized return.

AOCIX

• 1D: -0.21%
• 1M: 0.58%
• YTD: 3.69%
• 6M: 3.39%
• 1Y: 10.09%
• 3Y*: 8.92%
• 5Y*: 3.86%
• 10Y*: 6.25%

AOMIX

• 1D: -0.24%
• 1M: 0.79%
• YTD: 5.88%
• 6M: 5.42%
• 1Y: 14.57%
• 3Y*: 11.80%
• 5Y*: 5.32%
• 10Y*: 8.34%

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

AOCIX vs. AOMIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AOCIX American Century Investments One Choice Portfolio: Conservative	3.69%	10.20%	7.42%	10.53%	-14.05%	9.03%	12.83%	16.06%	-3.25%	9.89%
AOMIX American Century Investments One Choice Portfolio: Moderate	5.88%	12.97%	10.07%	13.04%	-16.37%	11.82%	16.08%	20.14%	-5.23%	14.27%

Correlation

The correlation between AOCIX and AOMIX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.97
Correlation (All Time) Calculated using the full available price history since Oct 1, 2004	0.98

The correlation between AOCIX and AOMIX has been stable across timeframes, ranging from 0.97 to 0.98 - a consistent structural relationship.

Return for Risk

AOCIX vs. AOMIX — Risk / Return Rank

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

AOCIX

AOCIX Risk / Return Rank: 42
AOCIX Sharpe Ratio Rank: 42
AOCIX Sortino Ratio Rank: 43
AOCIX Omega Ratio Rank: 43
AOCIX Calmar Ratio Rank: 35
AOCIX Martin Ratio Rank: 45

AOMIX

AOMIX Risk / Return Rank: 43
AOMIX Sharpe Ratio Rank: 44
AOMIX Sortino Ratio Rank: 43
AOMIX Omega Ratio Rank: 44
AOMIX Calmar Ratio Rank: 38
AOMIX Martin Ratio Rank: 47

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.

AOCIX vs. AOMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Investments One Choice Portfolio: Conservative (AOCIX) and American Century Investments One Choice Portfolio: Moderate (AOMIX). 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.

	AOCIX	AOMIX	Difference
Sharpe ratio: Return per unit of total volatility	1.76	1.78	-0.02
Sortino ratio: Return per unit of downside risk	2.54	2.53	+0.01
Omega ratio: Gain probability vs. loss probability	1.33	1.33	0.00
Calmar ratio: Return relative to maximum drawdown	2.10	2.21	-0.11
Martin ratio: Return relative to average drawdown	9.03	9.35	-0.32

AOCIX vs. AOMIX - Sharpe Ratio Comparison

The current AOCIX Sharpe Ratio is 1.76, which is comparable to the AOMIX Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of AOCIX and AOMIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AOCIX vs. AOMIX - Drawdown Comparison

The maximum AOCIX drawdown since its inception was -26.87%, smaller than the maximum AOMIX drawdown of -38.62%. Use the drawdown chart below to compare losses from any high point for AOCIX and AOMIX.

Drawdown Indicators

	AOCIX	AOMIX	Difference
Max Drawdown Largest peak-to-trough decline	-26.87%	-38.62%	+11.75%
Max Drawdown (1Y) Largest decline over 1 year	-5.10%	-6.91%	+1.81%
Max Drawdown (3Y) Largest decline over 3 years	-7.31%	-10.84%	+3.53%
Max Drawdown (5Y) Largest decline over 5 years	-19.71%	-23.24%	+3.53%
Max Drawdown (10Y) Largest decline over 10 years	-19.71%	-24.91%	+5.20%
Current Drawdown Current decline from peak	-0.50%	-0.59%	+0.09%
Average Drawdown Average peak-to-trough decline	-3.19%	-4.90%	+1.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.18%	1.63%	-0.45%

Volatility

AOCIX vs. AOMIX - Volatility Comparison

The current volatility for American Century Investments One Choice Portfolio: Conservative (AOCIX) is 2.10%, while American Century Investments One Choice Portfolio: Moderate (AOMIX) has a volatility of 3.13%. This indicates that AOCIX experiences smaller price fluctuations and is considered to be less risky than AOMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AOCIX	AOMIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.10%	3.13%	-1.03%
Volatility (6M) Calculated over the trailing 6-month period	4.93%	7.00%	-2.07%
Volatility (1Y) Calculated over the trailing 1-year period	6.10%	8.59%	-2.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.85%	10.57%	-2.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.10%	11.31%	-3.21%

AOCIX vs. AOMIX - Expense Ratio Comparison

AOCIX has a 0.00% expense ratio, which is lower than AOMIX's 0.00% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

AOCIX vs. AOMIX - Dividend Comparison

AOCIX's dividend yield for the trailing twelve months is around 5.55%, less than AOMIX's 6.82% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AOCIX American Century Investments One Choice Portfolio: Conservative	5.55%	5.12%	2.79%	2.50%	9.63%	8.19%	5.25%	4.87%	7.07%	2.05%	2.93%	5.97%
AOMIX American Century Investments One Choice Portfolio: Moderate	6.82%	6.69%	2.53%	2.29%	10.49%	9.55%	8.48%	6.61%	8.27%	2.11%	3.64%	7.11%

Frequently Asked Questions

Can I hold both AOCIX and AOMIX in my portfolio?

With a correlation of 0.98, AOCIX and AOMIX 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, AOCIX or AOMIX?

AOMIX has higher volatility (3.13%) compared to AOCIX (2.10%). In terms of maximum drawdown, AOCIX dropped -26.87% vs AOMIX's -38.62%.

Which has better risk-adjusted returns?

AOMIX currently has the higher Sharpe Ratio (1.78 vs 1.76), 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.