FHLFX vs. FNILX

Last updated Jun 5, 2026

FHLFX (Fidelity Series International Index Fund) and FNILX (Fidelity ZERO Large Cap Index Fund) are both mutual funds - FHLFX is a Foreign Large Cap Equities fund managed by Fidelity, while FNILX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, FHLFX returned 8.50%/yr vs 13.74%/yr for FNILX. A 0.76 correlation means they provide meaningful diversification when combined. FHLFX charges 0.01%/yr vs 0.00%/yr for FNILX.

Performance

FHLFX vs. FNILX - Performance Comparison

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

Returns By Period

In the year-to-date period, FHLFX achieves a 8.67% return, which is significantly lower than FNILX's 10.70% return.

FHLFX

• 1D: -0.79%
• 1M: 2.18%
• YTD: 8.67%
• 6M: 10.92%
• 1Y: 20.95%
• 3Y*: 16.87%
• 5Y*: 8.50%
• 10Y*: —

FNILX

• 1D: -0.77%
• 1M: 4.37%
• YTD: 10.70%
• 6M: 10.49%
• 1Y: 27.60%
• 3Y*: 22.69%
• 5Y*: 13.74%
• 10Y*: —

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

FHLFX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FHLFX Fidelity Series International Index Fund	8.67%	31.96%	3.67%	18.16%	-14.17%	11.23%	8.09%	21.66%	-12.36%
FNILX Fidelity ZERO Large Cap Index Fund	10.70%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Correlation

The correlation between FHLFX and FNILX is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (All Time) Calculated using the full available price history since Oct 1, 2018	0.76

The correlation between FHLFX and FNILX has been stable across timeframes, ranging from 0.70 to 0.76 - a consistent structural relationship.

Return for Risk

FHLFX vs. FNILX — Risk / Return Rank

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

FHLFX

FHLFX Risk / Return Rank: 27
FHLFX Sharpe Ratio Rank: 26
FHLFX Sortino Ratio Rank: 25
FHLFX Omega Ratio Rank: 26
FHLFX Calmar Ratio Rank: 27
FHLFX Martin Ratio Rank: 31

FNILX

FNILX Risk / Return Rank: 63
FNILX Sharpe Ratio Rank: 61
FNILX Sortino Ratio Rank: 56
FNILX Omega Ratio Rank: 57
FNILX Calmar Ratio Rank: 64
FNILX Martin Ratio Rank: 75

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.

FHLFX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Series International Index Fund (FHLFX) 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.

	FHLFX	FNILX	Difference
Sharpe ratio: Return per unit of total volatility	1.46	2.33	-0.86
Sortino ratio: Return per unit of downside risk	2.09	3.17	-1.07
Omega ratio: Gain probability vs. loss probability	1.27	1.42	-0.15
Calmar ratio: Return relative to maximum drawdown	1.90	3.08	-1.18
Martin ratio: Return relative to average drawdown	7.13	14.10	-6.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FHLFX vs. FNILX - Sharpe Ratio Comparison

The current FHLFX Sharpe Ratio is 1.46, which is lower than the FNILX Sharpe Ratio of 2.33. The chart below compares the historical Sharpe Ratios of FHLFX and FNILX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FHLFX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.46	2.33	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.80	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.76	-0.23

Drawdowns

FHLFX vs. FNILX - Drawdown Comparison

The maximum FHLFX drawdown since its inception was -33.58%, roughly equal to the maximum FNILX drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FHLFX and FNILX.

Drawdown Indicators

	FHLFX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-33.58%	-33.76%	+0.18%
Max Drawdown (1Y) Largest decline over 1 year	-11.37%	-9.01%	-2.36%
Max Drawdown (3Y) Largest decline over 3 years	-13.62%	-19.08%	+5.46%
Max Drawdown (5Y) Largest decline over 5 years	-29.36%	-25.40%	-3.96%
Current Drawdown Current decline from peak	-1.20%	-0.77%	-0.43%
Average Drawdown Average peak-to-trough decline	-6.11%	-5.37%	-0.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.03%	1.97%	+1.06%

Volatility

FHLFX vs. FNILX - Volatility Comparison

Fidelity Series International Index Fund (FHLFX) has a higher volatility of 4.57% compared to Fidelity ZERO Large Cap Index Fund (FNILX) at 3.00%. This indicates that FHLFX's price experiences larger fluctuations and is considered to be riskier than FNILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FHLFX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.57%	3.00%	+1.57%
Volatility (6M) Calculated over the trailing 6-month period	12.10%	9.01%	+3.09%
Volatility (1Y) Calculated over the trailing 1-year period	14.83%	11.96%	+2.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.98%	17.25%	-1.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.64%	20.04%	-2.40%

FHLFX vs. FNILX - Expense Ratio Comparison

FHLFX has a 0.01% 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%.

Dividends

FHLFX vs. FNILX - Dividend Comparison

FHLFX's dividend yield for the trailing twelve months is around 3.19%, more than FNILX's 0.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FHLFX Fidelity Series International Index Fund	3.19%	3.46%	2.98%	2.86%	2.60%	2.47%	1.92%	1.95%	0.62%
FNILX Fidelity ZERO Large Cap Index Fund	0.91%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%

Frequently Asked Questions

Can I hold both FHLFX and FNILX in my portfolio?

FHLFX and FNILX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FHLFX or FNILX?

FHLFX has higher volatility (4.57%) compared to FNILX (3.00%). In terms of maximum drawdown, FHLFX dropped -33.58% vs FNILX's -33.76%.

Which has better risk-adjusted returns?

FNILX currently has the higher Sharpe Ratio (2.33 vs 1.46), 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.