FBGKX vs. FZILX

Last updated Aug 4, 2026

FBGKX (Fidelity Blue Chip Growth Fund Class K) and FZILX (Fidelity ZERO International Index Fund) are both mutual funds - FBGKX is a Large Cap Growth Equities fund actively managed by Fidelity, while FZILX is a Foreign Large Cap Equities fund tracking the Fidelity Global ex U.S. Index. FBGKX is actively managed, while FZILX is passively managed. Over the past 5 years, FBGKX returned 13.81%/yr vs 9.50%/yr for FZILX. Their 0.72 correlation means they have sometimes moved together and sometimes differently. FBGKX charges 0.54%/yr vs 0.00%/yr for FZILX.

Performance

FBGKX vs. FZILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Blue Chip Growth Fund Class K (FBGKX) and Fidelity ZERO International Index Fund (FZILX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FBGKX achieves a 11.30% return, which is significantly lower than FZILX's 14.05% return.

FBGKX

• 1D: 1.00%
• 1M: -3.22%
• 6M: 10.86%
• YTD: 11.30%
• 1Y: 25.51%
• 3Y*: 25.94%
• 5Y*: 13.81%
• 10Y*: 20.88%
• ALL TIME*: 15.76%

FZILX

• 1D: 0.00%
• 1M: 0.36%
• 6M: 7.28%
• YTD: 14.05%
• 1Y: 29.53%
• 3Y*: 18.09%
• 5Y*: 9.50%
• 10Y*: —
• ALL TIME*: 9.62%

*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)
FBGKX Fidelity Blue Chip Growth Fund Class K	$0.00	$0.00	$0.00
FZILX Fidelity ZERO International Index Fund	$0.00	$0.00	$0.00

FBGKX vs. FZILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FBGKX Fidelity Blue Chip Growth Fund Class K	11.30%	19.99%	39.87%	55.76%	-38.40%	22.74%	62.35%	33.56%	-12.30%
FZILX Fidelity ZERO International Index Fund	14.05%	33.52%	5.32%	16.28%	-15.96%	8.19%	11.06%	21.69%	-9.38%

Correlation

The correlation between FBGKX and FZILX is 0.77, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.77
Correlation (3Y) Balances recent behavior with more history.	0.67
Correlation (5Y) Shows whether the relationship held over a longer period.	0.71
Correlation (All Time) Calculated using the full available price history since Aug 16, 2018	0.72

The correlation between FBGKX and FZILX has been stable across timeframes, ranging from 0.67 to 0.77 - a consistent structural relationship.

Return for Risk

FBGKX vs. FZILX — Risk / Return Rank

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

FBGKX

FBGKX Risk / Return Rank: 35
FBGKX Sharpe Ratio Rank: 33
FBGKX Sortino Ratio Rank: 31
FBGKX Omega Ratio Rank: 31
FBGKX Calmar Ratio Rank: 41
FBGKX Martin Ratio Rank: 41

FZILX

FZILX Risk / Return Rank: 74
FZILX Sharpe Ratio Rank: 74
FZILX Sortino Ratio Rank: 70
FZILX Omega Ratio Rank: 73
FZILX Calmar Ratio Rank: 77
FZILX Martin Ratio Rank: 76

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.

FBGKX vs. FZILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Blue Chip Growth Fund Class K (FBGKX) and Fidelity ZERO International Index Fund (FZILX). 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.

	FBGKX	FZILX	Difference
Sharpe ratio: Return per unit of total volatility	1.13	1.79	-0.66
Sortino ratio: Return per unit of downside risk	1.63	2.46	-0.83
Omega ratio: Gain probability vs. loss probability	1.20	1.33	-0.13
Calmar ratio: Return relative to maximum drawdown	1.80	2.60	-0.81
Martin ratio: Return relative to average drawdown	6.37	9.69	-3.33

FBGKX vs. FZILX - Sharpe Ratio Comparison

The current FBGKX Sharpe Ratio is 1.13, which is lower than the FZILX Sharpe Ratio of 1.79. The chart below compares the historical Sharpe Ratios of FBGKX and FZILX, 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

FBGKX vs. FZILX - Drawdown Comparison

The maximum FBGKX drawdown since its inception was -48.90%, which is greater than FZILX's maximum drawdown of -34.37%. Use the drawdown chart below to compare losses from any high point for FBGKX and FZILX.

Drawdown Indicators

	FBGKX	FZILX	Difference
Max Drawdown Largest peak-to-trough decline	-48.90%	-34.37%	-14.53%
Max Drawdown (1Y) Largest decline over 1 year	-12.63%	-11.24%	-1.39%
Max Drawdown (3Y) Largest decline over 3 years	-27.06%	-13.47%	-13.59%
Max Drawdown (5Y) Largest decline over 5 years	-43.03%	-29.87%	-13.16%
Max Drawdown (10Y) Largest decline over 10 years	-43.03%	—	—
Current Drawdown Current decline from peak	-6.86%	-2.15%	-4.71%
Average Drawdown Average peak-to-trough decline	-8.32%	-6.60%	-1.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.56%	3.01%	+0.55%

Volatility

FBGKX vs. FZILX - Volatility Comparison

Fidelity Blue Chip Growth Fund Class K (FBGKX) has a higher volatility of 6.63% compared to Fidelity ZERO International Index Fund (FZILX) at 5.15%. This indicates that FBGKX's price experiences larger fluctuations and is considered to be riskier than FZILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FBGKX	FZILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.63%	5.15%	+1.48%
Volatility (6M) Calculated over the trailing 6-month period	16.12%	14.45%	+1.67%
Volatility (1Y) Calculated over the trailing 1-year period	20.11%	16.35%	+3.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.23%	15.85%	+9.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.83%	17.40%	+6.43%

FBGKX vs. FZILX - Expense Ratio Comparison

FBGKX has a 0.54% expense ratio, which is higher than FZILX's 0.00% expense ratio.

Dividends

FBGKX vs. FZILX - Dividend Comparison

FBGKX's dividend yield for the trailing twelve months is around 1.70%, less than FZILX's 2.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBGKX Fidelity Blue Chip Growth Fund Class K	1.70%	1.89%	6.00%	0.93%	0.56%	8.77%	6.41%	3.70%	6.41%	4.26%	4.22%	5.36%
FZILX Fidelity ZERO International Index Fund	2.35%	2.67%	3.00%	2.98%	2.71%	2.61%	1.64%	2.37%	0.02%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FBGKX and FZILX in my portfolio?

FBGKX and FZILX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FBGKX or FZILX?

FBGKX has higher volatility (6.63%) compared to FZILX (5.15%). In terms of maximum drawdown, FBGKX dropped -48.90% vs FZILX's -34.37%.

Which has better risk-adjusted returns?

FZILX currently has the higher Sharpe Ratio (1.79 vs 1.13), 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.