FOTKX vs. AAAMX

Last updated Jun 4, 2026

FOTKX (Fidelity Freedom 2010 Fund Class K6) and AAAMX (American Century One Choice Blend+ 2020 Portfolio) are both Target Retirement Date funds. Over the past 5 years, FOTKX returned 3.89%/yr vs 4.45%/yr for AAAMX. Their correlation of 0.92 suggests significant overlap in exposure. FOTKX charges 0.38%/yr vs 0.57%/yr for AAAMX.

Performance

FOTKX vs. AAAMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2010 Fund Class K6 (FOTKX) and American Century One Choice Blend+ 2020 Portfolio (AAAMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FOTKX achieves a 5.43% return, which is significantly higher than AAAMX's 4.48% return.

FOTKX

• 1D: 0.26%
• 1M: 1.88%
• YTD: 5.43%
• 6M: 5.81%
• 1Y: 12.95%
• 3Y*: 9.32%
• 5Y*: 3.89%
• 10Y*: —

AAAMX

• 1D: 0.09%
• 1M: 1.86%
• YTD: 4.48%
• 6M: 4.79%
• 1Y: 12.74%
• 3Y*: 9.81%
• 5Y*: 4.45%
• 10Y*: —

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

FOTKX vs. AAAMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
FOTKX Fidelity Freedom 2010 Fund Class K6	5.43%	11.66%	5.55%	9.97%	-13.05%	4.84%
AAAMX American Century One Choice Blend+ 2020 Portfolio	4.48%	11.63%	6.87%	10.81%	-13.19%	6.88%

Correlation

The correlation between FOTKX and AAAMX 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	0.92
Correlation (All Time) Calculated using the full available price history since Mar 11, 2021	0.92

The correlation between FOTKX and AAAMX has been stable across timeframes, ranging from 0.92 to 0.93 - a consistent structural relationship.

Return for Risk

FOTKX vs. AAAMX — Risk / Return Rank

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

FOTKX

FOTKX Risk / Return Rank: 79
FOTKX Sharpe Ratio Rank: 82
FOTKX Sortino Ratio Rank: 82
FOTKX Omega Ratio Rank: 83
FOTKX Calmar Ratio Rank: 71
FOTKX Martin Ratio Rank: 76

AAAMX

AAAMX Risk / Return Rank: 62
AAAMX Sharpe Ratio Rank: 65
AAAMX Sortino Ratio Rank: 68
AAAMX Omega Ratio Rank: 66
AAAMX Calmar Ratio Rank: 51
AAAMX Martin Ratio Rank: 62

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.

FOTKX vs. AAAMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2010 Fund Class K6 (FOTKX) and American Century One Choice Blend+ 2020 Portfolio (AAAMX). 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.

	FOTKX	AAAMX	Difference
Sharpe ratio: Return per unit of total volatility	2.67	2.36	+0.31
Sortino ratio: Return per unit of downside risk	3.90	3.44	+0.47
Omega ratio: Gain probability vs. loss probability	1.55	1.46	+0.09
Calmar ratio: Return relative to maximum drawdown	3.26	2.73	+0.53
Martin ratio: Return relative to average drawdown	14.38	12.13	+2.25
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FOTKX vs. AAAMX - Sharpe Ratio Comparison

The current FOTKX Sharpe Ratio is 2.67, which is comparable to the AAAMX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of FOTKX and AAAMX, 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

	FOTKX	AAAMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.67	2.36	+0.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.58	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.87	0.64	+0.22

Drawdowns

FOTKX vs. AAAMX - Drawdown Comparison

The maximum FOTKX drawdown since its inception was -18.29%, roughly equal to the maximum AAAMX drawdown of -19.03%. Use the drawdown chart below to compare losses from any high point for FOTKX and AAAMX.

Drawdown Indicators

	FOTKX	AAAMX	Difference
Max Drawdown Largest peak-to-trough decline	-18.29%	-19.03%	+0.74%
Max Drawdown (1Y) Largest decline over 1 year	-4.03%	-4.72%	+0.69%
Max Drawdown (3Y) Largest decline over 3 years	-5.71%	-6.33%	+0.62%
Max Drawdown (5Y) Largest decline over 5 years	-18.29%	-19.03%	+0.74%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.56%	-4.84%	+1.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.91%	1.06%	-0.15%

Volatility

FOTKX vs. AAAMX - Volatility Comparison

Fidelity Freedom 2010 Fund Class K6 (FOTKX) has a higher volatility of 1.94% compared to American Century One Choice Blend+ 2020 Portfolio (AAAMX) at 1.71%. This indicates that FOTKX's price experiences larger fluctuations and is considered to be riskier than AAAMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FOTKX	AAAMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.94%	1.71%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	4.14%	4.38%	-0.24%
Volatility (1Y) Calculated over the trailing 1-year period	4.92%	5.46%	-0.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.38%	7.67%	-1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.42%	7.59%	-1.17%

FOTKX vs. AAAMX - Expense Ratio Comparison

FOTKX has a 0.38% expense ratio, which is lower than AAAMX's 0.57% expense ratio.

Dividends

FOTKX vs. AAAMX - Dividend Comparison

FOTKX's dividend yield for the trailing twelve months is around 4.91%, more than AAAMX's 2.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
AAAMX American Century One Choice Blend+ 2020 Portfolio	2.92%	5.13%	3.20%	2.10%	2.85%	2.28%	0.00%	0.00%	0.00%	0.00%
FOTKX Fidelity Freedom 2010 Fund Class K6	4.91%	5.25%	3.32%	2.98%	7.41%	9.53%	6.17%	6.00%	7.24%	3.57%

Frequently Asked Questions

Can I hold both FOTKX and AAAMX in my portfolio?

With a correlation of 0.93, FOTKX and AAAMX 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, FOTKX or AAAMX?

FOTKX has higher volatility (1.94%) compared to AAAMX (1.71%). In terms of maximum drawdown, FOTKX dropped -18.29% vs AAAMX's -19.03%.

Which has better risk-adjusted returns?

FOTKX currently has the higher Sharpe Ratio (2.67 vs 2.36), 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.