FKRFX vs. LTTIX

Last updated Jun 23, 2026

FKRFX (Fidelity Managed Retirement 2025 Fund Class K) and LTTIX (MFS Lifetime 2025 Fund) are both Target Retirement Date funds. Over the past 5 years, FKRFX returned 4.09%/yr vs 3.72%/yr for LTTIX. Their correlation of 0.95 suggests significant overlap in exposure. FKRFX charges 0.38%/yr vs 0.00%/yr for LTTIX.

Performance

FKRFX vs. LTTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Managed Retirement 2025 Fund Class K (FKRFX) and MFS Lifetime 2025 Fund (LTTIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FKRFX achieves a 4.56% return, which is significantly higher than LTTIX's 2.74% return.

FKRFX

• 1D: 0.00%
• 1M: -0.37%
• YTD: 4.56%
• 6M: 4.67%
• 1Y: 13.11%
• 3Y*: 10.15%
• 5Y*: 4.09%
• 10Y*: —

LTTIX

• 1D: 0.00%
• 1M: 0.08%
• YTD: 2.74%
• 6M: 2.70%
• 1Y: 8.28%
• 3Y*: 8.33%
• 5Y*: 3.72%
• 10Y*: 6.24%

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

FKRFX vs. LTTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FKRFX Fidelity Managed Retirement 2025 Fund Class K	4.56%	13.44%	6.67%	11.94%	-15.58%	8.11%	13.21%	6.18%
LTTIX MFS Lifetime 2025 Fund	2.74%	9.29%	6.73%	10.36%	-12.36%	8.61%	10.61%	4.54%

Correlation

The correlation between FKRFX and LTTIX 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	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Aug 1, 2019	0.95

The correlation between FKRFX and LTTIX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

Return for Risk

FKRFX vs. LTTIX — Risk / Return Rank

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

FKRFX

FKRFX Risk / Return Rank: 57
FKRFX Sharpe Ratio Rank: 56
FKRFX Sortino Ratio Rank: 55
FKRFX Omega Ratio Rank: 62
FKRFX Calmar Ratio Rank: 52
FKRFX Martin Ratio Rank: 61

LTTIX

LTTIX Risk / Return Rank: 61
LTTIX Sharpe Ratio Rank: 64
LTTIX Sortino Ratio Rank: 71
LTTIX Omega Ratio Rank: 70
LTTIX Calmar Ratio Rank: 46
LTTIX Martin Ratio Rank: 57

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.

FKRFX vs. LTTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Managed Retirement 2025 Fund Class K (FKRFX) and MFS Lifetime 2025 Fund (LTTIX). 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.

	FKRFX	LTTIX	Difference
Sharpe ratio: Return per unit of total volatility	2.03	2.16	-0.12
Sortino ratio: Return per unit of downside risk	2.86	3.20	-0.34
Omega ratio: Gain probability vs. loss probability	1.40	1.42	-0.02
Calmar ratio: Return relative to maximum drawdown	2.63	2.47	+0.16
Martin ratio: Return relative to average drawdown	11.30	10.68	+0.61

FKRFX vs. LTTIX - Sharpe Ratio Comparison

The current FKRFX Sharpe Ratio is 2.03, which is comparable to the LTTIX Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of FKRFX and LTTIX, 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

FKRFX vs. LTTIX - Drawdown Comparison

The maximum FKRFX drawdown since its inception was -21.50%, which is greater than LTTIX's maximum drawdown of -19.33%. Use the drawdown chart below to compare losses from any high point for FKRFX and LTTIX.

Drawdown Indicators

	FKRFX	LTTIX	Difference
Max Drawdown Largest peak-to-trough decline	-21.50%	-19.33%	-2.17%
Max Drawdown (1Y) Largest decline over 1 year	-5.10%	-3.64%	-1.46%
Max Drawdown (3Y) Largest decline over 3 years	-7.23%	-5.77%	-1.46%
Max Drawdown (5Y) Largest decline over 5 years	-21.50%	-16.92%	-4.58%
Max Drawdown (10Y) Largest decline over 10 years	—	-19.33%	—
Current Drawdown Current decline from peak	-1.85%	-0.45%	-1.40%
Average Drawdown Average peak-to-trough decline	-4.89%	-2.68%	-2.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.18%	0.84%	+0.34%

Volatility

FKRFX vs. LTTIX - Volatility Comparison

Fidelity Managed Retirement 2025 Fund Class K (FKRFX) has a higher volatility of 2.66% compared to MFS Lifetime 2025 Fund (LTTIX) at 1.34%. This indicates that FKRFX's price experiences larger fluctuations and is considered to be riskier than LTTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FKRFX	LTTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.66%	1.34%	+1.32%
Volatility (6M) Calculated over the trailing 6-month period	5.55%	3.32%	+2.23%
Volatility (1Y) Calculated over the trailing 1-year period	6.61%	4.18%	+2.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.22%	6.37%	+1.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.19%	7.24%	+1.95%

FKRFX vs. LTTIX - Expense Ratio Comparison

FKRFX has a 0.38% expense ratio, which is higher than LTTIX's 0.00% expense ratio.

Dividends

FKRFX vs. LTTIX - Dividend Comparison

FKRFX's dividend yield for the trailing twelve months is around 3.78%, less than LTTIX's 11.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FKRFX Fidelity Managed Retirement 2025 Fund Class K	3.78%	2.68%	2.58%	2.59%	4.86%	5.20%	3.66%	3.60%	0.00%	0.00%	0.00%	0.00%
LTTIX MFS Lifetime 2025 Fund	11.54%	8.13%	7.07%	3.30%	5.88%	7.35%	2.83%	3.68%	4.32%	3.51%	4.03%	1.82%

Frequently Asked Questions

Can I hold both FKRFX and LTTIX in my portfolio?

With a correlation of 0.93, FKRFX and LTTIX 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, FKRFX or LTTIX?

FKRFX has higher volatility (2.66%) compared to LTTIX (1.34%). In terms of maximum drawdown, FKRFX dropped -21.50% vs LTTIX's -19.33%.

Which has better risk-adjusted returns?

LTTIX currently has the higher Sharpe Ratio (2.16 vs 2.03), 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.