FNSDX vs. FSNZX

Last updated Jun 23, 2026

FNSDX (Fidelity Freedom 2055 Fund Class K) and FSNZX (Fidelity Freedom 2045 Fund Class K) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FNSDX returned 11.03%/yr vs 10.95%/yr for FSNZX. With a 1.00 correlation, they move nearly in lockstep. Both charge a 0.65% expense ratio.

Performance

FNSDX vs. FSNZX - 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 2045 Fund Class K (FSNZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with FNSDX having a 14.91% return and FSNZX slightly lower at 14.54%.

FNSDX

• 1D: 1.46%
• 1M: 3.32%
• YTD: 14.91%
• 6M: 14.94%
• 1Y: 32.40%
• 3Y*: 20.10%
• 5Y*: 11.03%
• 10Y*: —

FSNZX

• 1D: 1.45%
• 1M: 3.24%
• YTD: 14.54%
• 6M: 14.54%
• 1Y: 31.90%
• 3Y*: 19.97%
• 5Y*: 10.95%
• 10Y*: —

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

FNSDX vs. FSNZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FNSDX Fidelity Freedom 2055 Fund Class K	14.91%	23.81%	14.18%	20.65%	-18.23%	16.65%	18.34%	25.58%	-8.85%	7.42%
FSNZX Fidelity Freedom 2045 Fund Class K	14.54%	23.75%	14.20%	20.66%	-18.25%	16.70%	18.36%	25.55%	-8.89%	7.39%

Correlation

The correlation between FNSDX and FSNZX 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 Jul 25, 2017	1.00

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

Return for Risk

FNSDX vs. FSNZX — Risk / Return Rank

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

FNSDX

FNSDX Risk / Return Rank: 76
FNSDX Sharpe Ratio Rank: 77
FNSDX Sortino Ratio Rank: 71
FNSDX Omega Ratio Rank: 73
FNSDX Calmar Ratio Rank: 77
FNSDX Martin Ratio Rank: 83

FSNZX

FSNZX Risk / Return Rank: 77
FSNZX Sharpe Ratio Rank: 77
FSNZX Sortino Ratio Rank: 72
FSNZX Omega Ratio Rank: 74
FSNZX Calmar Ratio Rank: 78
FSNZX Martin Ratio Rank: 83

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. FSNZX - 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 2045 Fund Class K (FSNZX). 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	FSNZX	Difference
Sharpe ratio: Return per unit of total volatility	2.35	2.36	-0.01
Sortino ratio: Return per unit of downside risk	3.19	3.22	-0.03
Omega ratio: Gain probability vs. loss probability	1.44	1.44	0.00
Calmar ratio: Return relative to maximum drawdown	3.31	3.33	-0.02
Martin ratio: Return relative to average drawdown	14.43	14.42	+0.01

FNSDX vs. FSNZX - Sharpe Ratio Comparison

The current FNSDX Sharpe Ratio is 2.35, which is comparable to the FSNZX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of FNSDX and FSNZX, 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. FSNZX - Drawdown Comparison

The maximum FNSDX drawdown since its inception was -30.95%, roughly equal to the maximum FSNZX drawdown of -30.92%. Use the drawdown chart below to compare losses from any high point for FNSDX and FSNZX.

Drawdown Indicators

	FNSDX	FSNZX	Difference
Max Drawdown Largest peak-to-trough decline	-30.95%	-30.92%	-0.03%
Max Drawdown (1Y) Largest decline over 1 year	-9.76%	-9.53%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-15.44%	-15.40%	-0.04%
Max Drawdown (5Y) Largest decline over 5 years	-27.31%	-27.30%	-0.01%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.59%	-5.57%	-0.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.23%	2.19%	+0.04%

Volatility

FNSDX vs. FSNZX - Volatility Comparison

Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity Freedom 2045 Fund Class K (FSNZX) have volatilities of 5.84% and 5.62%, 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	FSNZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.84%	5.62%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	11.73%	11.39%	+0.34%
Volatility (1Y) Calculated over the trailing 1-year period	13.75%	13.46%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.20%	15.16%	+0.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.03%	16.01%	+0.02%

FNSDX vs. FSNZX - Expense Ratio Comparison

Both FNSDX and FSNZX have an expense ratio of 0.65%.

Dividends

FNSDX vs. FSNZX - Dividend Comparison

FNSDX's dividend yield for the trailing twelve months is around 4.93%, less than FSNZX's 5.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
FSNZX Fidelity Freedom 2045 Fund Class K	5.75%	4.41%	2.26%	1.99%	12.13%	12.05%	5.08%	6.60%	7.94%	2.87%

Frequently Asked Questions

Can I hold both FNSDX and FSNZX in my portfolio?

With a correlation of 1.00, FNSDX and FSNZX 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 FSNZX?

FNSDX has higher volatility (5.84%) compared to FSNZX (5.62%). In terms of maximum drawdown, FNSDX dropped -30.95% vs FSNZX's -30.92%.

Which has better risk-adjusted returns?

FSNZX currently has the higher Sharpe Ratio (2.36 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.