RFKTX vs. FRKMX

Last updated Jun 25, 2026

RFKTX (American Funds 2055 Target Date Retirement Fund Class R6) and FRKMX (Fidelity Managed Retirement Income Fund Class K) are both Target Retirement Date funds. Over the past 5 years, RFKTX returned 9.48%/yr vs 1016.85%/yr for FRKMX. A 0.71 correlation means they provide meaningful diversification when combined. RFKTX charges 0.38%/yr vs 0.35%/yr for FRKMX.

Performance

RFKTX vs. FRKMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds 2055 Target Date Retirement Fund Class R6 (RFKTX) and Fidelity Managed Retirement Income Fund Class K (FRKMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RFKTX achieves a 9.06% return, which is significantly lower than FRKMX's 15,640,638.04% return.

RFKTX

• 1D: -1.56%
• 1M: 0.64%
• YTD: 9.06%
• 6M: 8.30%
• 1Y: 21.07%
• 3Y*: 18.71%
• 5Y*: 9.48%
• 10Y*: 12.54%

FRKMX

• 1D: 15,089,900.00%
• 1M: 15,188,508.30%
• YTD: 15,640,638.04%
• 6M: 15,611,276.39%
• 1Y: 16,405,118.58%
• 3Y*: 5,609.31%
• 5Y*: 1,016.85%
• 10Y*: —

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

RFKTX vs. FRKMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
RFKTX American Funds 2055 Target Date Retirement Fund Class R6	9.06%	20.76%	15.58%	21.41%	-19.48%	17.33%	19.41%	8.18%
FRKMX Fidelity Managed Retirement Income Fund Class K	15,640,638.04%	9.91%	4.40%	8.17%	-11.57%	2.88%	8.68%	3.08%

Correlation

The correlation between RFKTX and FRKMX is 0.81, 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	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (All Time) Calculated using the full available price history since Aug 1, 2019	0.71

The correlation between RFKTX and FRKMX shifts across timeframes, from 0.71 (5 years) to 0.81 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RFKTX vs. FRKMX — Risk / Return Rank

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

RFKTX

RFKTX Risk / Return Rank: 53
RFKTX Sharpe Ratio Rank: 51
RFKTX Sortino Ratio Rank: 50
RFKTX Omega Ratio Rank: 52
RFKTX Calmar Ratio Rank: 49
RFKTX Martin Ratio Rank: 61

FRKMX

FRKMX Risk / Return Rank: 84
FRKMX Sharpe Ratio Rank: 21
FRKMX Sortino Ratio Rank: 100
FRKMX Omega Ratio Rank: 100
FRKMX Calmar Ratio Rank: 100
FRKMX Martin Ratio Rank: 100

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.

RFKTX vs. FRKMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds 2055 Target Date Retirement Fund Class R6 (RFKTX) 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.

	RFKTX	FRKMX	Difference
Sharpe ratio: Return per unit of total volatility	1.79	1.15	+0.64
Sortino ratio: Return per unit of downside risk	2.50	5,218,028.60	-5,218,026.10
Omega ratio: Gain probability vs. loss probability	1.33	727,316.16	-727,314.83
Calmar ratio: Return relative to maximum drawdown	2.36	5,078,659.88	-5,078,657.52
Martin ratio: Return relative to average drawdown	10.49	21,305,391.80	-21,305,381.32

RFKTX vs. FRKMX - Sharpe Ratio Comparison

The current RFKTX Sharpe Ratio is 1.79, which is higher than the FRKMX Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of RFKTX and FRKMX, 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

RFKTX vs. FRKMX - Drawdown Comparison

The maximum RFKTX drawdown since its inception was -29.29%, which is greater than FRKMX's maximum drawdown of -16.04%. Use the drawdown chart below to compare losses from any high point for RFKTX and FRKMX.

Drawdown Indicators

	RFKTX	FRKMX	Difference
Max Drawdown Largest peak-to-trough decline	-29.29%	-16.04%	-13.25%
Max Drawdown (1Y) Largest decline over 1 year	-9.70%	-3.42%	-6.28%
Max Drawdown (3Y) Largest decline over 3 years	-15.34%	-4.93%	-10.41%
Max Drawdown (5Y) Largest decline over 5 years	-27.11%	-16.04%	-11.07%
Max Drawdown (10Y) Largest decline over 10 years	-29.29%	—	—
Current Drawdown Current decline from peak	-1.76%	0.00%	-1.76%
Average Drawdown Average peak-to-trough decline	-4.21%	-3.54%	-0.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.18%	0.81%	+1.37%

Volatility

RFKTX vs. FRKMX - Volatility Comparison

The current volatility for American Funds 2055 Target Date Retirement Fund Class R6 (RFKTX) is 5.31%, while Fidelity Managed Retirement Income Fund Class K (FRKMX) has a volatility of 1,192.42%. This indicates that RFKTX experiences smaller price fluctuations and is considered to be less risky than FRKMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RFKTX	FRKMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.31%	1,192.42%	-1,187.11%
Volatility (6M) Calculated over the trailing 6-month period	10.58%	1,192.41%	-1,181.83%
Volatility (1Y) Calculated over the trailing 1-year period	12.82%	15,119,929.64%	-15,119,916.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.75%	6,761,838.11%	-6,761,823.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.05%	5,765,888.45%	-5,765,873.40%

RFKTX vs. FRKMX - Expense Ratio Comparison

RFKTX has a 0.38% expense ratio, which is higher than FRKMX's 0.35% expense ratio.

Dividends

RFKTX vs. FRKMX - Dividend Comparison

RFKTX's dividend yield for the trailing twelve months is around 5.43%, less than FRKMX's 103.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FRKMX Fidelity Managed Retirement Income Fund Class K	103.36%	3.11%	3.12%	2.92%	4.66%	3.65%	2.56%	1.85%	0.00%	0.00%	0.00%	0.00%
RFKTX American Funds 2055 Target Date Retirement Fund Class R6	5.43%	5.92%	3.49%	2.50%	7.19%	4.41%	3.22%	4.18%	4.77%	2.43%	3.45%	4.32%

Frequently Asked Questions

Can I hold both RFKTX and FRKMX in my portfolio?

RFKTX and FRKMX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RFKTX or FRKMX?

FRKMX has higher volatility (1192.42%) compared to RFKTX (5.31%). In terms of maximum drawdown, RFKTX dropped -29.29% vs FRKMX's -16.04%.

Which has better risk-adjusted returns?

RFKTX currently has the higher Sharpe Ratio (1.79 vs 1.15), 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.