FSPGX vs. FGCKX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Large Cap Growth Index Fund (FSPGX) and Fidelity Growth Company K (FGCKX).

FSPGX is managed by Fidelity. FGCKX is an actively managed fund by Fidelity. It was launched on May 15, 2008.

Performance

FSPGX vs. FGCKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Large Cap Growth Index Fund (FSPGX) and Fidelity Growth Company K (FGCKX). The values are adjusted to include any dividend payments, if applicable.

FSPGX vs. FGCKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSPGX Fidelity Large Cap Growth Index Fund	-13.03%	18.54%	33.27%	42.77%	-29.17%	27.57%	38.46%	36.38%	-1.79%	27.70%
FGCKX Fidelity Growth Company K	-6.85%	18.67%	37.30%	47.35%	-33.82%	22.62%	67.61%	38.50%	-4.07%	36.22%

Returns By Period

In the year-to-date period, FSPGX achieves a -13.03% return, which is significantly lower than FGCKX's -6.85% return.

FSPGX

• 1D: -0.45%
• 1M: -8.63%
• YTD: -13.03%
• 6M: -12.06%
• 1Y: 14.49%
• 3Y*: 19.68%
• 5Y*: 11.91%
• 10Y*: —

FGCKX

• 1D: -1.23%
• 1M: -8.22%
• YTD: -6.85%
• 6M: -6.85%
• 1Y: 26.45%
• 3Y*: 24.22%
• 5Y*: 12.12%
• 10Y*: 19.90%

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

FSPGX vs. FGCKX - Expense Ratio Comparison

FSPGX has a 0.04% expense ratio, which is lower than FGCKX's 0.65% expense ratio.

FGCKX

Fidelity Growth Company K

FSPGX

Fidelity Large Cap Growth Index Fund

Return for Risk

FSPGX vs. FGCKX — Risk / Return Rank

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

FSPGX

FSPGX Risk / Return Rank: 28
FSPGX Sharpe Ratio Rank: 29
FSPGX Sortino Ratio Rank: 33
FSPGX Omega Ratio Rank: 32
FSPGX Calmar Ratio Rank: 25
FSPGX Martin Ratio Rank: 23

FGCKX

FGCKX Risk / Return Rank: 62
FGCKX Sharpe Ratio Rank: 61
FGCKX Sortino Ratio Rank: 64
FGCKX Omega Ratio Rank: 60
FGCKX Calmar Ratio Rank: 66
FGCKX Martin Ratio Rank: 58

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.

FSPGX vs. FGCKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Large Cap Growth Index Fund (FSPGX) and Fidelity Growth Company K (FGCKX). 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.

	FSPGX	FGCKX	Difference
Sharpe ratio Return per unit of total volatility	0.66	1.07	-0.42
Sortino ratio Return per unit of downside risk	1.10	1.59	-0.48
Omega ratio Gain probability vs. loss probability	1.15	1.23	-0.07
Calmar ratio Return relative to maximum drawdown	0.72	1.49	-0.77
Martin ratio Return relative to average drawdown	2.51	5.54	-3.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSPGX vs. FGCKX - Sharpe Ratio Comparison

The current FSPGX Sharpe Ratio is 0.66, which is lower than the FGCKX Sharpe Ratio of 1.07. The chart below compares the historical Sharpe Ratios of FSPGX and FGCKX, 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

	FSPGX	FGCKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.66	1.07	-0.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.56	0.51	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.78	0.65	+0.13

Correlation

The correlation between FSPGX and FGCKX is 0.96, 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

FSPGX vs. FGCKX - Dividend Comparison

FSPGX's dividend yield for the trailing twelve months is around 0.40%, while FGCKX has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSPGX Fidelity Large Cap Growth Index Fund	0.40%	0.34%	0.37%	0.73%	0.86%	2.22%	1.76%	1.04%	1.32%	0.22%	0.00%	0.00%
FGCKX Fidelity Growth Company K	0.00%	0.00%	8.80%	3.81%	7.16%	10.63%	8.83%	3.84%	6.38%	4.73%	6.20%	3.96%

Drawdowns

FSPGX vs. FGCKX - Drawdown Comparison

The maximum FSPGX drawdown since its inception was -32.66%, smaller than the maximum FGCKX drawdown of -51.01%. Use the drawdown chart below to compare losses from any high point for FSPGX and FGCKX.

Drawdown Indicators

	FSPGX	FGCKX	Difference
Max Drawdown Largest peak-to-trough decline	-32.66%	-51.01%	+18.35%
Max Drawdown (1Y) Largest decline over 1 year	-16.17%	-13.09%	-3.08%
Max Drawdown (5Y) Largest decline over 5 years	-32.66%	-40.21%	+7.55%
Max Drawdown (10Y) Largest decline over 10 years	—	-40.21%	—
Current Drawdown Current decline from peak	-16.17%	-12.55%	-3.62%
Average Drawdown Average peak-to-trough decline	-6.43%	-9.03%	+2.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	3.88%	+0.75%

Volatility

FSPGX vs. FGCKX - Volatility Comparison

The current volatility for Fidelity Large Cap Growth Index Fund (FSPGX) is 5.33%, while Fidelity Growth Company K (FGCKX) has a volatility of 6.73%. This indicates that FSPGX experiences smaller price fluctuations and is considered to be less risky than FGCKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSPGX	FGCKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.33%	6.73%	-1.40%
Volatility (6M) Calculated over the trailing 6-month period	11.79%	14.66%	-2.87%
Volatility (1Y) Calculated over the trailing 1-year period	22.32%	24.33%	-2.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.46%	23.99%	-2.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.63%	23.34%	-1.71%