AAAMX vs. FRKMX

Last updated Aug 1, 2026

AAAMX (American Century One Choice Blend+ 2020 Portfolio) and FRKMX (Fidelity Managed Retirement Income Fund Class K) are both Target Retirement Date funds. Their correlation of 0.86 means they have usually moved in the same direction. AAAMX charges 0.57%/yr vs 0.35%/yr for FRKMX.

Performance

AAAMX vs. FRKMX - Performance Comparison

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

Returns By Period

AAAMX

• 1D: 0.73%
• 1M: -0.09%
• 6M: 3.10%
• YTD: 4.58%
• 1Y: 9.99%
• 3Y*: 8.94%
• 5Y*: 4.04%
• 10Y*: —
• ALL TIME*: 4.73%

FRKMX

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AAAMX American Century One Choice Blend+ 2020 Portfolio	$0.00	$0.00	$0.00

AAAMX vs. FRKMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
AAAMX American Century One Choice Blend+ 2020 Portfolio	4.58%	11.63%	6.87%	10.81%	-13.19%	6.88%
FRKMX Fidelity Managed Retirement Income Fund Class K	15,640,638.04%	9.91%	4.40%	8.17%	-11.57%	3.42%

Correlation

The correlation between AAAMX and FRKMX is 0.85, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.85
Correlation (3Y) Balances recent behavior with more history.	0.87
Correlation (5Y) Shows whether the relationship held over a longer period.	0.86
Correlation (All Time) Calculated using the full available price history since Mar 10, 2021	0.86

The correlation between AAAMX and FRKMX has been stable across timeframes, ranging from 0.85 to 0.87 - a consistent structural relationship.

Return for Risk

AAAMX vs. FRKMX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

AAAMX

AAAMX Risk / Return Rank: 70
AAAMX Sharpe Ratio Rank: 72
AAAMX Sortino Ratio Rank: 72
AAAMX Omega Ratio Rank: 71
AAAMX Calmar Ratio Rank: 61
AAAMX Martin Ratio Rank: 74

FRKMX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

AAAMX vs. FRKMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century One Choice Blend+ 2020 Portfolio (AAAMX) and Fidelity Managed Retirement Income Fund Class K (FRKMX). 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.

	AAAMX	FRKMX	Difference
Sharpe ratio: Return per unit of total volatility	1.69	—	—
Sortino ratio: Return per unit of downside risk	2.46	—	—
Omega ratio: Gain probability vs. loss probability	1.31	—	—
Calmar ratio: Return relative to maximum drawdown	2.08	—	—
Martin ratio: Return relative to average drawdown	9.02	—	—

Drawdowns

Drawdown Indicators

	AAAMX	FRKMX	Difference
Max Drawdown Largest peak-to-trough decline	-19.03%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-4.72%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-6.33%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-19.03%	—	—
Current Drawdown Current decline from peak	-0.36%	—	—
Average Drawdown Average peak-to-trough decline	-4.71%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	1.09%	—	—

Volatility

Volatility by Period

	AAAMX	FRKMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.57%	—	—
Volatility (6M) Calculated over the trailing 6-month period	4.81%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	5.81%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.72%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.55%	—	—

AAAMX vs. FRKMX - Expense Ratio Comparison

AAAMX has a 0.57% expense ratio, which is higher than FRKMX's 0.35% expense ratio.

Dividends

AAAMX vs. FRKMX - Dividend Comparison

AAAMX's dividend yield for the trailing twelve months is around 2.92%, less than FRKMX's 103.22% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
AAAMX American Century One Choice Blend+ 2020 Portfolio	2.92%	5.13%	3.20%	2.10%	2.85%	2.28%	0.00%	0.00%
FRKMX Fidelity Managed Retirement Income Fund Class K	102.91%	3.11%	3.12%	2.92%	4.66%	3.65%	2.56%	1.85%

Frequently Asked Questions

Can I hold both AAAMX and FRKMX in my portfolio?

AAAMX and FRKMX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.