FDTKX vs. FATKX

Last updated Jun 23, 2026

FDTKX (Fidelity Freedom 2025 Fund Class K6) and FATKX (Fidelity Freedom 2020 Fund Class K6) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FDTKX returned 6.39%/yr vs 6.33%/yr for FATKX. With a 0.99 correlation, they move nearly in lockstep. FDTKX charges 0.44%/yr vs 0.42%/yr for FATKX.

Performance

FDTKX vs. FATKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2025 Fund Class K6 (FDTKX) and Fidelity Freedom 2020 Fund Class K6 (FATKX). 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 FATKX's 7.72% return.

FDTKX

• 1D: 0.97%
• 1M: 2.28%
• YTD: 8.88%
• 6M: 8.94%
• 1Y: 20.04%
• 3Y*: 13.16%
• 5Y*: 6.39%
• 10Y*: —

FATKX

• 1D: 0.88%
• 1M: 1.98%
• YTD: 7.72%
• 6M: 7.82%
• 1Y: 17.50%
• 3Y*: 13.22%
• 5Y*: 6.33%
• 10Y*: —

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

FDTKX vs. FATKX - 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%
FATKX Fidelity Freedom 2020 Fund Class K6	7.72%	15.14%	11.68%	13.16%	-15.93%	9.13%	13.79%	18.14%	-5.20%	6.72%

Correlation

The correlation between FDTKX and FATKX is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since Jun 15, 2017	0.99

The correlation between FDTKX and FATKX has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.

Return for Risk

FDTKX vs. FATKX — 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

FATKX

FATKX Risk / Return Rank: 76
FATKX Sharpe Ratio Rank: 76
FATKX Sortino Ratio Rank: 76
FATKX Omega Ratio Rank: 78
FATKX Calmar Ratio Rank: 74
FATKX Martin Ratio Rank: 79

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. FATKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2025 Fund Class K6 (FDTKX) and Fidelity Freedom 2020 Fund Class K6 (FATKX). 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	FATKX	Difference
Sharpe ratio: Return per unit of total volatility	2.32	2.34	-0.02
Sortino ratio: Return per unit of downside risk	3.27	3.32	-0.06
Omega ratio: Gain probability vs. loss probability	1.45	1.46	-0.01
Calmar ratio: Return relative to maximum drawdown	3.16	3.19	-0.04
Martin ratio: Return relative to average drawdown	13.48	13.71	-0.23

FDTKX vs. FATKX - Sharpe Ratio Comparison

The current FDTKX Sharpe Ratio is 2.32, which is comparable to the FATKX Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of FDTKX and FATKX, 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. FATKX - Drawdown Comparison

The maximum FDTKX drawdown since its inception was -23.54%, roughly equal to the maximum FATKX drawdown of -22.44%. Use the drawdown chart below to compare losses from any high point for FDTKX and FATKX.

Drawdown Indicators

	FDTKX	FATKX	Difference
Max Drawdown Largest peak-to-trough decline	-23.54%	-22.44%	-1.10%
Max Drawdown (1Y) Largest decline over 1 year	-6.32%	-5.48%	-0.84%
Max Drawdown (3Y) Largest decline over 3 years	-8.86%	-7.64%	-1.22%
Max Drawdown (5Y) Largest decline over 5 years	-23.54%	-22.44%	-1.10%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.59%	-4.36%	-0.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	1.27%	+0.21%

Volatility

FDTKX vs. FATKX - Volatility Comparison

Fidelity Freedom 2025 Fund Class K6 (FDTKX) has a higher volatility of 3.68% compared to Fidelity Freedom 2020 Fund Class K6 (FATKX) at 3.25%. This indicates that FDTKX's price experiences larger fluctuations and is considered to be riskier than FATKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDTKX	FATKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.68%	3.25%	+0.43%
Volatility (6M) Calculated over the trailing 6-month period	7.34%	6.41%	+0.93%
Volatility (1Y) Calculated over the trailing 1-year period	8.62%	7.49%	+1.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.06%	9.09%	+0.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.38%	9.31%	+1.07%

FDTKX vs. FATKX - Expense Ratio Comparison

FDTKX has a 0.44% expense ratio, which is higher than FATKX's 0.42% expense ratio.

Dividends

FDTKX vs. FATKX - Dividend Comparison

FDTKX's dividend yield for the trailing twelve months is around 7.05%, less than FATKX's 7.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FATKX Fidelity Freedom 2020 Fund Class K6	7.87%	7.70%	8.73%	2.94%	10.06%	12.30%	6.93%	6.79%	7.43%	3.18%
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%

Frequently Asked Questions

Can I hold both FDTKX and FATKX in my portfolio?

With a correlation of 0.99, FDTKX and FATKX 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, FDTKX or FATKX?

FDTKX has higher volatility (3.68%) compared to FATKX (3.25%). In terms of maximum drawdown, FDTKX dropped -23.54% vs FATKX's -22.44%.

Which has better risk-adjusted returns?

FATKX currently has the higher Sharpe Ratio (2.34 vs 2.32), 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.