FDTKX vs. LTTIX

Last updated Jun 23, 2026

FDTKX (Fidelity Freedom 2025 Fund Class K6) and LTTIX (MFS Lifetime 2025 Fund) are both Target Retirement Date funds. Over the past 5 years, FDTKX returned 6.39%/yr vs 3.72%/yr for LTTIX. Their correlation of 0.94 suggests significant overlap in exposure. FDTKX charges 0.44%/yr vs 0.00%/yr for LTTIX.

Performance

FDTKX vs. LTTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2025 Fund Class K6 (FDTKX) 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, FDTKX achieves a 8.88% return, which is significantly higher than LTTIX's 2.74% return.

FDTKX

• 1D: 0.97%
• 1M: 2.28%
• YTD: 8.88%
• 6M: 8.94%
• 1Y: 20.04%
• 3Y*: 13.16%
• 5Y*: 6.39%
• 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)

FDTKX vs. LTTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDTKX Fidelity Freedom 2025 Fund Class K6	8.88%	16.75%	8.47%	14.44%	-16.54%	10.35%	14.76%	19.72%	-5.76%	5.95%
LTTIX MFS Lifetime 2025 Fund	2.74%	9.29%	6.73%	10.36%	-12.36%	8.61%	10.61%	17.82%	-3.97%	5.65%

Correlation

The correlation between FDTKX and LTTIX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Jun 15, 2017	0.94

The correlation between FDTKX and LTTIX has been stable across timeframes, ranging from 0.88 to 0.94 - a consistent structural relationship.

Return for Risk

FDTKX vs. LTTIX — Risk / Return Rank

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

FDTKX

FDTKX Risk / Return Rank: 75
FDTKX Sharpe Ratio Rank: 75
FDTKX Sortino Ratio Rank: 74
FDTKX Omega Ratio Rank: 77
FDTKX Calmar Ratio Rank: 73
FDTKX Martin Ratio Rank: 77

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.

FDTKX vs. LTTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2025 Fund Class K6 (FDTKX) 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.

	FDTKX	LTTIX	Difference
Sharpe ratio: Return per unit of total volatility	2.32	2.16	+0.16
Sortino ratio: Return per unit of downside risk	3.27	3.20	+0.07
Omega ratio: Gain probability vs. loss probability	1.45	1.42	+0.03
Calmar ratio: Return relative to maximum drawdown	3.16	2.47	+0.69
Martin ratio: Return relative to average drawdown	13.48	10.68	+2.79

FDTKX vs. LTTIX - Sharpe Ratio Comparison

The current FDTKX Sharpe Ratio is 2.32, which is comparable to the LTTIX Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of FDTKX 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

FDTKX vs. LTTIX - Drawdown Comparison

The maximum FDTKX drawdown since its inception was -23.54%, which is greater than LTTIX's maximum drawdown of -19.33%. Use the drawdown chart below to compare losses from any high point for FDTKX and LTTIX.

Drawdown Indicators

	FDTKX	LTTIX	Difference
Max Drawdown Largest peak-to-trough decline	-23.54%	-19.33%	-4.21%
Max Drawdown (1Y) Largest decline over 1 year	-6.32%	-3.64%	-2.68%
Max Drawdown (3Y) Largest decline over 3 years	-8.86%	-5.77%	-3.09%
Max Drawdown (5Y) Largest decline over 5 years	-23.54%	-16.92%	-6.62%
Max Drawdown (10Y) Largest decline over 10 years	—	-19.33%	—
Current Drawdown Current decline from peak	0.00%	-0.45%	+0.45%
Average Drawdown Average peak-to-trough decline	-4.59%	-2.68%	-1.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	0.84%	+0.64%

Volatility

FDTKX vs. LTTIX - Volatility Comparison

Fidelity Freedom 2025 Fund Class K6 (FDTKX) has a higher volatility of 3.68% compared to MFS Lifetime 2025 Fund (LTTIX) at 1.34%. This indicates that FDTKX'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

	FDTKX	LTTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.68%	1.34%	+2.34%
Volatility (6M) Calculated over the trailing 6-month period	7.34%	3.32%	+4.02%
Volatility (1Y) Calculated over the trailing 1-year period	8.62%	4.18%	+4.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.06%	6.37%	+3.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.38%	7.24%	+3.14%

FDTKX vs. LTTIX - Expense Ratio Comparison

FDTKX has a 0.44% expense ratio, which is higher than LTTIX's 0.00% expense ratio.

Dividends

FDTKX vs. LTTIX - Dividend Comparison

FDTKX's dividend yield for the trailing twelve months is around 7.05%, less than LTTIX's 11.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDTKX Fidelity Freedom 2025 Fund Class K6	7.05%	6.77%	4.20%	2.40%	9.94%	10.62%	5.87%	6.36%	6.92%	1.63%	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 FDTKX and LTTIX in my portfolio?

FDTKX and LTTIX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FDTKX or LTTIX?

FDTKX has higher volatility (3.68%) compared to LTTIX (1.34%). In terms of maximum drawdown, FDTKX dropped -23.54% vs LTTIX's -19.33%.

Which has better risk-adjusted returns?

FDTKX currently has the higher Sharpe Ratio (2.32 vs 2.16), 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.