FNILX vs. FZIPX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity ZERO Large Cap Index Fund (FNILX) and Fidelity ZERO Extended Market Index Fund (FZIPX).

FNILX is managed by Fidelity. FZIPX is managed by Fidelity.

Performance

FNILX vs. FZIPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity ZERO Large Cap Index Fund (FNILX) and Fidelity ZERO Extended Market Index Fund (FZIPX). The values are adjusted to include any dividend payments, if applicable.

FNILX vs. FZIPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FNILX Fidelity ZERO Large Cap Index Fund	-7.30%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%
FZIPX Fidelity ZERO Extended Market Index Fund	-1.78%	12.51%	12.39%	18.13%	-18.01%	21.31%	16.64%	26.50%	-17.57%

Returns By Period

In the year-to-date period, FNILX achieves a -7.30% return, which is significantly lower than FZIPX's -1.78% return.

FNILX

• 1D: -0.35%
• 1M: -7.60%
• YTD: -7.30%
• 6M: -5.00%
• 1Y: 14.41%
• 3Y*: 17.43%
• 5Y*: 11.17%
• 10Y*: —

FZIPX

• 1D: -1.26%
• 1M: -8.55%
• YTD: -1.78%
• 6M: 0.33%
• 1Y: 18.79%
• 3Y*: 12.32%
• 5Y*: 5.14%
• 10Y*: —

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

FNILX vs. FZIPX - Expense Ratio Comparison

FNILX has a 0.00% expense ratio, which is lower than FZIPX's 0.00% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

FNILX

Fidelity ZERO Large Cap Index Fund

FZIPX

Fidelity ZERO Extended Market Index Fund

Return for Risk

FNILX vs. FZIPX — Risk / Return Rank

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

FNILX

FNILX Risk / Return Rank: 45
FNILX Sharpe Ratio Rank: 40
FNILX Sortino Ratio Rank: 44
FNILX Omega Ratio Rank: 49
FNILX Calmar Ratio Rank: 41
FNILX Martin Ratio Rank: 52

FZIPX

FZIPX Risk / Return Rank: 46
FZIPX Sharpe Ratio Rank: 43
FZIPX Sortino Ratio Rank: 47
FZIPX Omega Ratio Rank: 41
FZIPX Calmar Ratio Rank: 46
FZIPX Martin Ratio Rank: 51

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.

FNILX vs. FZIPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity ZERO Large Cap Index Fund (FNILX) and Fidelity ZERO Extended Market Index Fund (FZIPX). 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.

	FNILX	FZIPX	Difference
Sharpe ratio Return per unit of total volatility	0.83	0.86	-0.03
Sortino ratio Return per unit of downside risk	1.28	1.33	-0.05
Omega ratio Gain probability vs. loss probability	1.20	1.18	+0.02
Calmar ratio Return relative to maximum drawdown	1.04	1.15	-0.11
Martin ratio Return relative to average drawdown	5.01	4.98	+0.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FNILX vs. FZIPX - Sharpe Ratio Comparison

The current FNILX Sharpe Ratio is 0.83, which is comparable to the FZIPX Sharpe Ratio of 0.86. The chart below compares the historical Sharpe Ratios of FNILX and FZIPX, 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

	FNILX	FZIPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.83	0.86	-0.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.25	+0.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.64	0.33	+0.30

Correlation

The correlation between FNILX and FZIPX is 0.85, 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

FNILX vs. FZIPX - Dividend Comparison

FNILX's dividend yield for the trailing twelve months is around 1.09%, less than FZIPX's 1.27% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FNILX Fidelity ZERO Large Cap Index Fund	1.09%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%
FZIPX Fidelity ZERO Extended Market Index Fund	1.27%	1.24%	1.22%	1.43%	1.64%	6.97%	2.15%	1.80%	0.50%

Drawdowns

FNILX vs. FZIPX - Drawdown Comparison

The maximum FNILX drawdown since its inception was -33.76%, smaller than the maximum FZIPX drawdown of -42.71%. Use the drawdown chart below to compare losses from any high point for FNILX and FZIPX.

Drawdown Indicators

	FNILX	FZIPX	Difference
Max Drawdown Largest peak-to-trough decline	-33.76%	-42.71%	+8.95%
Max Drawdown (1Y) Largest decline over 1 year	-12.18%	-14.33%	+2.15%
Max Drawdown (5Y) Largest decline over 5 years	-25.40%	-28.19%	+2.79%
Current Drawdown Current decline from peak	-9.01%	-9.61%	+0.60%
Average Drawdown Average peak-to-trough decline	-5.47%	-9.09%	+3.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.54%	3.31%	-0.77%

Volatility

FNILX vs. FZIPX - Volatility Comparison

The current volatility for Fidelity ZERO Large Cap Index Fund (FNILX) is 4.23%, while Fidelity ZERO Extended Market Index Fund (FZIPX) has a volatility of 6.41%. This indicates that FNILX experiences smaller price fluctuations and is considered to be less risky than FZIPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNILX	FZIPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.23%	6.41%	-2.18%
Volatility (6M) Calculated over the trailing 6-month period	9.14%	12.90%	-3.76%
Volatility (1Y) Calculated over the trailing 1-year period	18.26%	22.07%	-3.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.22%	20.87%	-3.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.17%	23.95%	-3.78%