FNSDX vs. FFSZX

Last updated Jun 20, 2026

FNSDX (Fidelity Freedom 2055 Fund Class K) and FFSZX (Fidelity Freedom 2065 Fund Class K6) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FNSDX returned 11.03%/yr vs 11.25%/yr for FFSZX. With a 0.99 correlation, they move nearly in lockstep. FNSDX charges 0.65%/yr vs 0.50%/yr for FFSZX.

Performance

FNSDX vs. FFSZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity Freedom 2065 Fund Class K6 (FFSZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with FNSDX having a 14.91% return and FFSZX slightly higher at 15.07%.

FNSDX

• 1D: 1.46%
• 1M: 3.32%
• YTD: 14.91%
• 6M: 15.66%
• 1Y: 32.40%
• 3Y*: 20.10%
• 5Y*: 11.03%
• 10Y*: —

FFSZX

• 1D: 1.50%
• 1M: 3.35%
• YTD: 15.07%
• 6M: 15.85%
• 1Y: 32.79%
• 3Y*: 20.37%
• 5Y*: 11.25%
• 10Y*: —

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

FNSDX vs. FFSZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FNSDX Fidelity Freedom 2055 Fund Class K	14.91%	23.81%	14.18%	20.65%	-18.23%	16.65%	18.34%	9.67%
FFSZX Fidelity Freedom 2065 Fund Class K6	15.07%	24.08%	14.41%	20.78%	-18.05%	16.81%	18.36%	9.18%

Correlation

The correlation between FNSDX and FFSZX is 1.00 - 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	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (All Time) Calculated using the full available price history since Jun 28, 2019	0.99

The correlation between FNSDX and FFSZX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.

Return for Risk

FNSDX vs. FFSZX — Risk / Return Rank

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

FNSDX

FNSDX Risk / Return Rank: 78
FNSDX Sharpe Ratio Rank: 79
FNSDX Sortino Ratio Rank: 74
FNSDX Omega Ratio Rank: 75
FNSDX Calmar Ratio Rank: 79
FNSDX Martin Ratio Rank: 85

FFSZX

FFSZX Risk / Return Rank: 79
FFSZX Sharpe Ratio Rank: 79
FFSZX Sortino Ratio Rank: 74
FFSZX Omega Ratio Rank: 76
FFSZX Calmar Ratio Rank: 79
FFSZX Martin Ratio Rank: 85

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.

FNSDX vs. FFSZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity Freedom 2065 Fund Class K6 (FFSZX). 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.

	FNSDX	FFSZX	Difference
Sharpe ratio: Return per unit of total volatility	2.35	2.37	-0.02
Sortino ratio: Return per unit of downside risk	3.19	3.21	-0.02
Omega ratio: Gain probability vs. loss probability	1.44	1.44	-0.01
Calmar ratio: Return relative to maximum drawdown	3.31	3.32	-0.01
Martin ratio: Return relative to average drawdown	14.43	14.57	-0.15

FNSDX vs. FFSZX - Sharpe Ratio Comparison

The current FNSDX Sharpe Ratio is 2.35, which is comparable to the FFSZX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of FNSDX and FFSZX, 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

FNSDX vs. FFSZX - Drawdown Comparison

The maximum FNSDX drawdown since its inception was -30.95%, roughly equal to the maximum FFSZX drawdown of -31.00%. Use the drawdown chart below to compare losses from any high point for FNSDX and FFSZX.

Drawdown Indicators

	FNSDX	FFSZX	Difference
Max Drawdown Largest peak-to-trough decline	-30.95%	-31.00%	+0.05%
Max Drawdown (1Y) Largest decline over 1 year	-9.76%	-9.77%	+0.01%
Max Drawdown (3Y) Largest decline over 3 years	-15.44%	-15.36%	-0.08%
Max Drawdown (5Y) Largest decline over 5 years	-27.31%	-27.17%	-0.14%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.59%	-5.78%	+0.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.23%	2.22%	+0.01%

Volatility

FNSDX vs. FFSZX - Volatility Comparison

Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity Freedom 2065 Fund Class K6 (FFSZX) have volatilities of 5.84% and 5.85%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNSDX	FFSZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.84%	5.85%	-0.01%
Volatility (6M) Calculated over the trailing 6-month period	11.73%	11.75%	-0.02%
Volatility (1Y) Calculated over the trailing 1-year period	13.75%	13.73%	+0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.20%	15.19%	+0.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.03%	17.11%	-1.08%

FNSDX vs. FFSZX - Expense Ratio Comparison

FNSDX has a 0.65% expense ratio, which is higher than FFSZX's 0.50% expense ratio.

Dividends

FNSDX vs. FFSZX - Dividend Comparison

FNSDX's dividend yield for the trailing twelve months is around 4.93%, less than FFSZX's 4.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FFSZX Fidelity Freedom 2065 Fund Class K6	4.98%	3.82%	2.92%	2.26%	8.99%	7.98%	2.41%	1.47%	0.00%	0.00%
FNSDX Fidelity Freedom 2055 Fund Class K	4.93%	3.87%	2.13%	2.07%	11.45%	11.27%	4.26%	6.31%	6.79%	2.72%

Frequently Asked Questions

Can I hold both FNSDX and FFSZX in my portfolio?

With a correlation of 1.00, FNSDX and FFSZX 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, FNSDX or FFSZX?

FFSZX has higher volatility (5.85%) compared to FNSDX (5.84%). In terms of maximum drawdown, FNSDX dropped -30.95% vs FFSZX's -31.00%.

Which has better risk-adjusted returns?

FFSZX currently has the higher Sharpe Ratio (2.37 vs 2.35), 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.