LFIIX vs. FRKMX

Last updated Apr 1, 2026

Compare and contrast key facts about MFS Lifetime 2055 Fund (LFIIX) and Fidelity Managed Retirement Income Fund Class K (FRKMX).

LFIIX is managed by MFS. It was launched on Nov 1, 2012. FRKMX is managed by BlackRock. It was launched on Aug 1, 2019.

Performance

LFIIX vs. FRKMX - Performance Comparison

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

LFIIX vs. FRKMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
LFIIX MFS Lifetime 2055 Fund	-2.66%	16.32%	13.17%	16.86%	-15.66%	20.39%	13.28%	8.34%
FRKMX Fidelity Managed Retirement Income Fund Class K	-0.48%	9.91%	4.40%	8.17%	-11.57%	2.88%	8.68%	3.08%

Returns By Period

In the year-to-date period, LFIIX achieves a -2.66% return, which is significantly lower than FRKMX's -0.48% return.

LFIIX

• 1D: -0.24%
• 1M: -7.99%
• YTD: -2.66%
• 6M: -1.00%
• 1Y: 13.33%
• 3Y*: 12.62%
• 5Y*: 7.60%
• 10Y*: 10.09%

FRKMX

• 1D: 0.26%
• 1M: -3.17%
• YTD: -0.48%
• 6M: 0.79%
• 1Y: 7.15%
• 3Y*: 6.03%
• 5Y*: 2.48%
• 10Y*: —

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

LFIIX vs. FRKMX - Expense Ratio Comparison

LFIIX has a 0.00% expense ratio, which is lower than FRKMX's 0.35% expense ratio.

FRKMX

Fidelity Managed Retirement Income Fund Class K

LFIIX

MFS Lifetime 2055 Fund

Return for Risk

LFIIX vs. FRKMX — Risk / Return Rank

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

LFIIX

LFIIX Risk / Return Rank: 47
LFIIX Sharpe Ratio Rank: 47
LFIIX Sortino Ratio Rank: 47
LFIIX Omega Ratio Rank: 49
LFIIX Calmar Ratio Rank: 42
LFIIX Martin Ratio Rank: 51

FRKMX

FRKMX Risk / Return Rank: 83
FRKMX Sharpe Ratio Rank: 83
FRKMX Sortino Ratio Rank: 83
FRKMX Omega Ratio Rank: 80
FRKMX Calmar Ratio Rank: 85
FRKMX Martin Ratio Rank: 84

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.

LFIIX vs. FRKMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Lifetime 2055 Fund (LFIIX) 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.

	LFIIX	FRKMX	Difference
Sharpe ratio Return per unit of total volatility	0.94	1.59	-0.64
Sortino ratio Return per unit of downside risk	1.38	2.20	-0.82
Omega ratio Gain probability vs. loss probability	1.20	1.32	-0.11
Calmar ratio Return relative to maximum drawdown	1.08	2.13	-1.04
Martin ratio Return relative to average drawdown	5.05	8.58	-3.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LFIIX vs. FRKMX - Sharpe Ratio Comparison

The current LFIIX Sharpe Ratio is 0.94, which is lower than the FRKMX Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of LFIIX and FRKMX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	LFIIX	FRKMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	1.59	-0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	0.48	+0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.68	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.68	0.69	-0.01

Correlation

The correlation between LFIIX and FRKMX is 0.70, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

LFIIX vs. FRKMX - Dividend Comparison

LFIIX's dividend yield for the trailing twelve months is around 7.02%, more than FRKMX's 3.27% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LFIIX MFS Lifetime 2055 Fund	7.02%	6.84%	4.56%	3.56%	6.36%	8.07%	2.32%	3.79%	3.50%	2.69%	2.70%	1.33%
FRKMX Fidelity Managed Retirement Income Fund Class K	3.27%	3.11%	3.12%	2.92%	4.66%	3.65%	2.56%	1.85%	0.00%	0.00%	0.00%	0.00%

Drawdowns

LFIIX vs. FRKMX - Drawdown Comparison

The maximum LFIIX drawdown since its inception was -32.79%, which is greater than FRKMX's maximum drawdown of -16.04%. Use the drawdown chart below to compare losses from any high point for LFIIX and FRKMX.

Drawdown Indicators

	LFIIX	FRKMX	Difference
Max Drawdown Largest peak-to-trough decline	-32.79%	-16.04%	-16.75%
Max Drawdown (1Y) Largest decline over 1 year	-11.00%	-3.42%	-7.58%
Max Drawdown (5Y) Largest decline over 5 years	-23.17%	-16.04%	-7.13%
Max Drawdown (10Y) Largest decline over 10 years	-32.79%	—	—
Current Drawdown Current decline from peak	-8.35%	-3.17%	-5.18%
Average Drawdown Average peak-to-trough decline	-3.91%	-3.64%	-0.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.36%	0.85%	+1.51%

Volatility

LFIIX vs. FRKMX - Volatility Comparison

MFS Lifetime 2055 Fund (LFIIX) has a higher volatility of 4.06% compared to Fidelity Managed Retirement Income Fund Class K (FRKMX) at 1.96%. This indicates that LFIIX's price experiences larger fluctuations and is considered to be riskier than FRKMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LFIIX	FRKMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.06%	1.96%	+2.10%
Volatility (6M) Calculated over the trailing 6-month period	7.92%	2.86%	+5.06%
Volatility (1Y) Calculated over the trailing 1-year period	14.22%	4.58%	+9.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.89%	5.22%	+8.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.91%	5.13%	+9.78%