FESIX vs. FNILX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity SAI Real Estate Index Fund (FESIX) and Fidelity ZERO Large Cap Index Fund (FNILX).

FESIX is managed by Fidelity. It was launched on Feb 2, 2016. FNILX is managed by Fidelity.

Performance

FESIX vs. FNILX - Performance Comparison

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

FESIX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FESIX Fidelity SAI Real Estate Index Fund	-0.59%	3.09%	4.80%	11.83%	-26.47%	40.61%	-11.10%	23.06%	-6.60%
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%

Returns By Period

In the year-to-date period, FESIX achieves a -0.59% return, which is significantly higher than FNILX's -7.30% return.

FESIX

• 1D: 0.40%
• 1M: -7.72%
• YTD: -0.59%
• 6M: -3.03%
• 1Y: -0.09%
• 3Y*: 5.62%
• 5Y*: 2.63%
• 10Y*: —

FNILX

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

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

FESIX vs. FNILX - Expense Ratio Comparison

FESIX has a 0.07% expense ratio, which is higher than FNILX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

FESIX

Fidelity SAI Real Estate Index Fund

FNILX

Fidelity ZERO Large Cap Index Fund

Return for Risk

FESIX vs. FNILX — Risk / Return Rank

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

FESIX

FESIX Risk / Return Rank: 6
FESIX Sharpe Ratio Rank: 6
FESIX Sortino Ratio Rank: 6
FESIX Omega Ratio Rank: 6
FESIX Calmar Ratio Rank: 7
FESIX Martin Ratio Rank: 7

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

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.

FESIX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Real Estate Index Fund (FESIX) and Fidelity ZERO Large Cap Index Fund (FNILX). 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.

	FESIX	FNILX	Difference
Sharpe ratio Return per unit of total volatility	0.05	0.83	-0.77
Sortino ratio Return per unit of downside risk	0.19	1.28	-1.10
Omega ratio Gain probability vs. loss probability	1.03	1.20	-0.17
Calmar ratio Return relative to maximum drawdown	0.04	1.04	-1.00
Martin ratio Return relative to average drawdown	0.15	5.01	-4.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FESIX vs. FNILX - Sharpe Ratio Comparison

The current FESIX Sharpe Ratio is 0.05, which is lower than the FNILX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of FESIX and FNILX, 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

	FESIX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	0.83	-0.77
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.14	0.65	-0.51
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.64	-0.49

Correlation

The correlation between FESIX and FNILX is 0.61, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

FESIX vs. FNILX - Dividend Comparison

FESIX's dividend yield for the trailing twelve months is around 3.11%, more than FNILX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FESIX Fidelity SAI Real Estate Index Fund	3.11%	3.09%	52.40%	3.87%	55.39%	5.01%	2.71%	3.78%	3.15%	2.21%
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%	0.00%

Drawdowns

FESIX vs. FNILX - Drawdown Comparison

The maximum FESIX drawdown since its inception was -44.22%, which is greater than FNILX's maximum drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FESIX and FNILX.

Drawdown Indicators

	FESIX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-44.22%	-33.76%	-10.46%
Max Drawdown (1Y) Largest decline over 1 year	-12.48%	-12.18%	-0.30%
Max Drawdown (5Y) Largest decline over 5 years	-34.51%	-25.40%	-9.11%
Current Drawdown Current decline from peak	-11.69%	-9.01%	-2.68%
Average Drawdown Average peak-to-trough decline	-11.53%	-5.47%	-6.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.20%	2.54%	+0.66%

Volatility

FESIX vs. FNILX - Volatility Comparison

Fidelity SAI Real Estate Index Fund (FESIX) and Fidelity ZERO Large Cap Index Fund (FNILX) have volatilities of 4.26% and 4.23%, 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

	FESIX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.26%	4.23%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	9.16%	9.14%	+0.02%
Volatility (1Y) Calculated over the trailing 1-year period	16.44%	18.26%	-1.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.93%	17.22%	+1.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.86%	20.17%	+1.69%