FTADX vs. FNILX

Last updated Aug 1, 2026

FTADX (Fidelity Advisor International Discovery Fund Class M) and FNILX (Fidelity ZERO Large Cap Index Fund) are both mutual funds - FTADX 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, FTADX returned 6.03%/yr vs 12.36%/yr for FNILX. Their 0.79 correlation means they have sometimes moved together and sometimes differently. FTADX charges 1.57%/yr vs 0.00%/yr for FNILX.

Performance

FTADX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor International Discovery Fund Class M (FTADX) 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, FTADX achieves a 10.69% return, which is significantly higher than FNILX's 9.06% return.

FTADX

• 1D: 3.02%
• 1M: -1.49%
• 6M: 4.00%
• YTD: 10.69%
• 1Y: 21.45%
• 3Y*: 16.06%
• 5Y*: 6.03%
• 10Y*: 8.73%
• ALL TIME*: 6.76%

FNILX

• 1D: 1.68%
• 1M: -0.67%
• 6M: 7.78%
• YTD: 9.06%
• 1Y: 20.09%
• 3Y*: 19.19%
• 5Y*: 12.36%
• 10Y*: —
• ALL TIME*: 14.53%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FNILX Fidelity ZERO Large Cap Index Fund	$0.00	$0.00	$0.00
FTADX Fidelity Advisor International Discovery Fund Class M	$0.00	$0.00	$0.00

FTADX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FTADX Fidelity Advisor International Discovery Fund Class M	10.69%	26.90%	10.36%	13.51%	-25.25%	10.45%	20.71%	26.76%	-15.42%
FNILX Fidelity ZERO Large Cap Index Fund	9.06%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Correlation

The correlation between FTADX and FNILX is 0.84, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.85
Correlation (3Y) Balances recent behavior with more history.	0.78
Correlation (5Y) Shows whether the relationship held over a longer period.	0.78
Correlation (All Time) Calculated using the full available price history since Sep 28, 2018	0.79

The correlation between FTADX and FNILX has been stable across timeframes, ranging from 0.78 to 0.84 - a consistent structural relationship.

Return for Risk

FTADX vs. FNILX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FTADX

FTADX Risk / Return Rank: 30
FTADX Sharpe Ratio Rank: 28
FTADX Sortino Ratio Rank: 29
FTADX Omega Ratio Rank: 28
FTADX Calmar Ratio Rank: 31
FTADX Martin Ratio Rank: 34

FNILX

FNILX Risk / Return Rank: 59
FNILX Sharpe Ratio Rank: 56
FNILX Sortino Ratio Rank: 53
FNILX Omega Ratio Rank: 53
FNILX Calmar Ratio Rank: 61
FNILX Martin Ratio Rank: 70

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FTADX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor International Discovery Fund Class M (FTADX) 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.

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.

	FTADX	FNILX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	1.37	-0.35
Sortino ratio: Return per unit of downside risk	1.53	1.92	-0.39
Omega ratio: Gain probability vs. loss probability	1.19	1.25	-0.06
Calmar ratio: Return relative to maximum drawdown	1.48	1.98	-0.49
Martin ratio: Return relative to average drawdown	5.41	8.30	-2.89

FTADX vs. FNILX - Sharpe Ratio Comparison

The current FTADX Sharpe Ratio is 1.03, which is comparable to the FNILX Sharpe Ratio of 1.37. The chart below compares the historical Sharpe Ratios of FTADX 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.

Drawdowns

FTADX vs. FNILX - Drawdown Comparison

The maximum FTADX drawdown since its inception was -60.78%, which is greater than FNILX's maximum drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FTADX and FNILX.

Drawdown Indicators

	FTADX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-60.78%	-33.76%	-27.02%
Max Drawdown (1Y) Largest decline over 1 year	-13.14%	-9.01%	-4.13%
Max Drawdown (3Y) Largest decline over 3 years	-14.67%	-19.08%	+4.41%
Max Drawdown (5Y) Largest decline over 5 years	-36.92%	-25.40%	-11.52%
Max Drawdown (10Y) Largest decline over 10 years	-36.92%	—	—
Current Drawdown Current decline from peak	-3.36%	-2.24%	-1.12%
Average Drawdown Average peak-to-trough decline	-14.37%	-5.30%	-9.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.59%	2.14%	+1.45%

Volatility

FTADX vs. FNILX - Volatility Comparison

Fidelity Advisor International Discovery Fund Class M (FTADX) has a higher volatility of 6.05% compared to Fidelity ZERO Large Cap Index Fund (FNILX) at 3.46%. This indicates that FTADX'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

	FTADX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.05%	3.46%	+2.59%
Volatility (6M) Calculated over the trailing 6-month period	16.46%	10.17%	+6.29%
Volatility (1Y) Calculated over the trailing 1-year period	18.97%	12.97%	+6.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.35%	17.37%	-0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.87%	19.95%	-3.08%

FTADX vs. FNILX - Expense Ratio Comparison

FTADX has a 1.57% expense ratio, which is higher than FNILX's 0.00% expense ratio.

Dividends

FTADX vs. FNILX - Dividend Comparison

FTADX's dividend yield for the trailing twelve months is around 5.91%, more than FNILX's 0.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FNILX Fidelity ZERO Large Cap Index Fund	0.93%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%	0.00%	0.00%	0.00%
FTADX Fidelity Advisor International Discovery Fund Class M	5.91%	6.55%	2.36%	1.36%	0.00%	10.74%	3.30%	1.74%	3.14%	4.05%	1.16%	0.01%

Frequently Asked Questions

Can I hold both FTADX and FNILX in my portfolio?

FTADX and FNILX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FTADX or FNILX?

FTADX has higher volatility (6.05%) compared to FNILX (3.46%). In terms of maximum drawdown, FTADX dropped -60.78% vs FNILX's -33.76%.

Which has better risk-adjusted returns?

FNILX currently has the higher Sharpe Ratio (1.37 vs 1.03), 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.