FDECX vs. FSPGX

Last updated Jun 4, 2026

FDECX (Fidelity Advisor Capital Development Fund Class C) and FSPGX (Fidelity Large Cap Growth Index Fund) are both mutual funds - FDECX is a Large Cap Value Equities fund managed by Fidelity, while FSPGX is a Large Cap Growth Equities fund managed by Fidelity. Over the past 5 years, FDECX returned 14.87%/yr vs 16.03%/yr for FSPGX. A 0.79 correlation means they provide meaningful diversification when combined. FDECX charges 1.80%/yr vs 0.04%/yr for FSPGX.

Performance

FDECX vs. FSPGX - Performance Comparison

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

Returns By Period

In the year-to-date period, FDECX achieves a 9.37% return, which is significantly higher than FSPGX's 8.60% return.

FDECX

• 1D: -0.28%
• 1M: 3.19%
• YTD: 9.37%
• 6M: 11.27%
• 1Y: 29.80%
• 3Y*: 24.50%
• 5Y*: 14.87%
• 10Y*: 14.59%

FSPGX

• 1D: -0.38%
• 1M: 7.10%
• YTD: 8.60%
• 6M: 7.98%
• 1Y: 27.43%
• 3Y*: 25.53%
• 5Y*: 16.03%
• 10Y*: —

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

FDECX vs. FSPGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDECX Fidelity Advisor Capital Development Fund Class C	9.37%	26.17%	25.61%	22.69%	-9.17%	23.92%	7.70%	29.71%	-10.22%	15.23%
FSPGX Fidelity Large Cap Growth Index Fund	8.60%	18.54%	33.27%	42.77%	-29.17%	27.57%	38.46%	36.38%	-1.79%	27.70%

Correlation

The correlation between FDECX and FSPGX is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.79

The correlation between FDECX and FSPGX has been stable across timeframes, ranging from 0.79 to 0.87 - a consistent structural relationship.

Return for Risk

FDECX vs. FSPGX — Risk / Return Rank

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

FDECX

FDECX Risk / Return Rank: 69
FDECX Sharpe Ratio Rank: 71
FDECX Sortino Ratio Rank: 67
FDECX Omega Ratio Rank: 65
FDECX Calmar Ratio Rank: 66
FDECX Martin Ratio Rank: 76

FSPGX

FSPGX Risk / Return Rank: 32
FSPGX Sharpe Ratio Rank: 41
FSPGX Sortino Ratio Rank: 36
FSPGX Omega Ratio Rank: 37
FSPGX Calmar Ratio Rank: 22
FSPGX Martin Ratio Rank: 23

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.

FDECX vs. FSPGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Capital Development Fund Class C (FDECX) and Fidelity Large Cap Growth Index Fund (FSPGX). 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.

	FDECX	FSPGX	Difference
Sharpe ratio: Return per unit of total volatility	2.48	1.85	+0.63
Sortino ratio: Return per unit of downside risk	3.43	2.50	+0.93
Omega ratio: Gain probability vs. loss probability	1.45	1.32	+0.13
Calmar ratio: Return relative to maximum drawdown	3.14	1.76	+1.39
Martin ratio: Return relative to average drawdown	14.28	5.90	+8.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FDECX vs. FSPGX - Sharpe Ratio Comparison

The current FDECX Sharpe Ratio is 2.48, which is higher than the FSPGX Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of FDECX and FSPGX, 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

	FDECX	FSPGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.48	1.85	+0.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	0.75	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.90	-0.41

Drawdowns

FDECX vs. FSPGX - Drawdown Comparison

The maximum FDECX drawdown since its inception was -58.50%, which is greater than FSPGX's maximum drawdown of -32.66%. Use the drawdown chart below to compare losses from any high point for FDECX and FSPGX.

Drawdown Indicators

	FDECX	FSPGX	Difference
Max Drawdown Largest peak-to-trough decline	-58.50%	-32.66%	-25.84%
Max Drawdown (1Y) Largest decline over 1 year	-9.75%	-16.17%	+6.42%
Max Drawdown (3Y) Largest decline over 3 years	-20.37%	-23.32%	+2.95%
Max Drawdown (5Y) Largest decline over 5 years	-22.40%	-32.66%	+10.26%
Max Drawdown (10Y) Largest decline over 10 years	-36.71%	—	—
Current Drawdown Current decline from peak	-0.28%	-0.38%	+0.10%
Average Drawdown Average peak-to-trough decline	-8.93%	-6.37%	-2.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	4.81%	-2.67%

Volatility

FDECX vs. FSPGX - Volatility Comparison

The current volatility for Fidelity Advisor Capital Development Fund Class C (FDECX) is 2.93%, while Fidelity Large Cap Growth Index Fund (FSPGX) has a volatility of 3.32%. This indicates that FDECX experiences smaller price fluctuations and is considered to be less risky than FSPGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDECX	FSPGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.93%	3.32%	-0.39%
Volatility (6M) Calculated over the trailing 6-month period	9.47%	11.58%	-2.11%
Volatility (1Y) Calculated over the trailing 1-year period	12.37%	15.39%	-3.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.67%	21.49%	-3.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.87%	21.55%	-2.68%

FDECX vs. FSPGX - Expense Ratio Comparison

FDECX has a 1.80% expense ratio, which is higher than FSPGX's 0.04% expense ratio.

Dividends

FDECX vs. FSPGX - Dividend Comparison

FDECX's dividend yield for the trailing twelve months is around 10.61%, more than FSPGX's 0.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDECX Fidelity Advisor Capital Development Fund Class C	10.61%	11.60%	9.37%	3.86%	5.15%	5.29%	3.62%	7.13%	15.93%	5.86%	2.18%	5.15%
FSPGX Fidelity Large Cap Growth Index Fund	0.32%	0.34%	0.37%	0.73%	0.86%	2.22%	1.76%	1.04%	1.32%	0.22%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FDECX and FSPGX in my portfolio?

FDECX and FSPGX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FDECX or FSPGX?

FSPGX has higher volatility (3.32%) compared to FDECX (2.93%). In terms of maximum drawdown, FDECX dropped -58.50% vs FSPGX's -32.66%.

Which has better risk-adjusted returns?

FDECX currently has the higher Sharpe Ratio (2.48 vs 1.85), 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.