FNSDX vs. FZROX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity ZERO Total Market Index Fund (FZROX).

FNSDX is managed by Fidelity. It was launched on Jul 20, 2017. FZROX is managed by Fidelity.

Performance

FNSDX vs. FZROX - Performance Comparison

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

FNSDX vs. FZROX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FNSDX Fidelity Freedom 2055 Fund Class K	-3.46%	23.81%	14.18%	20.65%	-18.23%	16.65%	18.34%	25.58%	-10.52%
FZROX Fidelity ZERO Total Market Index Fund	-6.77%	17.23%	23.94%	26.20%	-19.21%	26.00%	20.51%	31.15%	-12.72%

Returns By Period

In the year-to-date period, FNSDX achieves a -3.46% return, which is significantly higher than FZROX's -6.77% return.

FNSDX

• 1D: -0.33%
• 1M: -9.17%
• YTD: -3.46%
• 6M: 0.13%
• 1Y: 19.44%
• 3Y*: 15.41%
• 5Y*: 8.24%
• 10Y*: —

FZROX

• 1D: -0.45%
• 1M: -7.71%
• YTD: -6.77%
• 6M: -4.49%
• 1Y: 14.82%
• 3Y*: 16.81%
• 5Y*: 10.36%
• 10Y*: —

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

FNSDX vs. FZROX - Expense Ratio Comparison

FNSDX has a 0.65% expense ratio, which is higher than FZROX's 0.00% expense ratio.

FNSDX

Fidelity Freedom 2055 Fund Class K

FZROX

Fidelity ZERO Total Market Index Fund

Return for Risk

FNSDX vs. FZROX — Risk / Return Rank

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

FNSDX

FNSDX Risk / Return Rank: 69
FNSDX Sharpe Ratio Rank: 70
FNSDX Sortino Ratio Rank: 71
FNSDX Omega Ratio Rank: 70
FNSDX Calmar Ratio Rank: 64
FNSDX Martin Ratio Rank: 70

FZROX

FZROX Risk / Return Rank: 46
FZROX Sharpe Ratio Rank: 41
FZROX Sortino Ratio Rank: 45
FZROX Omega Ratio Rank: 49
FZROX Calmar Ratio Rank: 41
FZROX Martin Ratio Rank: 53

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. FZROX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2055 Fund Class K (FNSDX) and Fidelity ZERO Total Market Index Fund (FZROX). 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.

	FNSDX	FZROX	Difference
Sharpe ratio Return per unit of total volatility	1.22	0.84	+0.38
Sortino ratio Return per unit of downside risk	1.75	1.30	+0.45
Omega ratio Gain probability vs. loss probability	1.26	1.20	+0.06
Calmar ratio Return relative to maximum drawdown	1.47	1.05	+0.41
Martin ratio Return relative to average drawdown	6.66	5.11	+1.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FNSDX vs. FZROX - Sharpe Ratio Comparison

The current FNSDX Sharpe Ratio is 1.22, which is higher than the FZROX Sharpe Ratio of 0.84. The chart below compares the historical Sharpe Ratios of FNSDX and FZROX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FNSDX	FZROX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.22	0.84	+0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.56	0.60	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.61	+0.02

Correlation

The correlation between FNSDX and FZROX is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FNSDX vs. FZROX - Dividend Comparison

FNSDX's dividend yield for the trailing twelve months is around 4.01%, more than FZROX's 1.10% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FNSDX Fidelity Freedom 2055 Fund Class K	4.01%	3.87%	2.13%	2.07%	11.45%	11.27%	4.26%	6.31%	6.79%	2.72%
FZROX Fidelity ZERO Total Market Index Fund	1.10%	1.02%	1.16%	1.36%	1.57%	1.25%	1.27%	1.51%	0.00%	0.00%

Drawdowns

FNSDX vs. FZROX - Drawdown Comparison

The maximum FNSDX drawdown since its inception was -30.95%, smaller than the maximum FZROX drawdown of -34.96%. Use the drawdown chart below to compare losses from any high point for FNSDX and FZROX.

Drawdown Indicators

	FNSDX	FZROX	Difference
Max Drawdown Largest peak-to-trough decline	-30.95%	-34.96%	+4.01%
Max Drawdown (1Y) Largest decline over 1 year	-11.20%	-12.44%	+1.24%
Max Drawdown (5Y) Largest decline over 5 years	-27.31%	-25.12%	-2.19%
Current Drawdown Current decline from peak	-9.76%	-8.89%	-0.87%
Average Drawdown Average peak-to-trough decline	-5.70%	-5.61%	-0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.59%	2.56%	+0.03%

Volatility

FNSDX vs. FZROX - Volatility Comparison

Fidelity Freedom 2055 Fund Class K (FNSDX) has a higher volatility of 5.69% compared to Fidelity ZERO Total Market Index Fund (FZROX) at 4.41%. This indicates that FNSDX's price experiences larger fluctuations and is considered to be riskier than FZROX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNSDX	FZROX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.69%	4.41%	+1.28%
Volatility (6M) Calculated over the trailing 6-month period	9.57%	9.34%	+0.23%
Volatility (1Y) Calculated over the trailing 1-year period	15.99%	18.49%	-2.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.85%	17.40%	-2.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.96%	20.25%	-4.29%