INDEX vs. FSPGX

Last updated Jun 4, 2026

INDEX (Index Funds S&P 500 Equal Weight) and FSPGX (Fidelity Large Cap Growth Index Fund) are both mutual funds - INDEX is a Large Cap Blend Equities fund managed by Fidelity, while FSPGX is a Large Cap Growth Equities fund managed by Fidelity. Over the past 5 years, INDEX returned 11.61%/yr vs 16.03%/yr for FSPGX. Their correlation of 0.83 suggests significant overlap in exposure. INDEX charges 0.25%/yr vs 0.04%/yr for FSPGX.

Performance

INDEX vs. FSPGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Index Funds S&P 500 Equal Weight (INDEX) 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, INDEX achieves a 11.54% return, which is significantly higher than FSPGX's 8.60% return.

INDEX

• 1D: 0.14%
• 1M: 5.79%
• YTD: 11.54%
• 6M: 11.59%
• 1Y: 28.87%
• 3Y*: 21.01%
• 5Y*: 11.61%
• 10Y*: 13.13%

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)

INDEX vs. FSPGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INDEX Index Funds S&P 500 Equal Weight	11.54%	17.77%	24.73%	10.58%	-11.84%	29.10%	12.75%	28.98%	-7.83%	17.70%
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 INDEX and FSPGX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.83

The correlation between INDEX and FSPGX shifts across timeframes, from 0.83 (all time) to 0.93 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

INDEX vs. FSPGX — Risk / Return Rank

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

INDEX

INDEX Risk / Return Rank: 73
INDEX Sharpe Ratio Rank: 76
INDEX Sortino Ratio Rank: 68
INDEX Omega Ratio Rank: 67
INDEX Calmar Ratio Rank: 73
INDEX Martin Ratio Rank: 83

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.

INDEX vs. FSPGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Index Funds S&P 500 Equal Weight (INDEX) 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.

	INDEX	FSPGX	Difference
Sharpe ratio: Return per unit of total volatility	2.52	1.85	+0.67
Sortino ratio: Return per unit of downside risk	3.43	2.50	+0.92
Omega ratio: Gain probability vs. loss probability	1.46	1.32	+0.14
Calmar ratio: Return relative to maximum drawdown	3.33	1.76	+1.57
Martin ratio: Return relative to average drawdown	15.62	5.90	+9.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INDEX vs. FSPGX - Sharpe Ratio Comparison

The current INDEX Sharpe Ratio is 2.52, which is higher than the FSPGX Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of INDEX 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

	INDEX	FSPGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	1.85	+0.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.75	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.71	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.90	-0.27

Drawdowns

INDEX vs. FSPGX - Drawdown Comparison

The maximum INDEX drawdown since its inception was -38.82%, which is greater than FSPGX's maximum drawdown of -32.66%. Use the drawdown chart below to compare losses from any high point for INDEX and FSPGX.

Drawdown Indicators

	INDEX	FSPGX	Difference
Max Drawdown Largest peak-to-trough decline	-38.82%	-32.66%	-6.16%
Max Drawdown (1Y) Largest decline over 1 year	-8.93%	-16.17%	+7.24%
Max Drawdown (3Y) Largest decline over 3 years	-18.75%	-23.32%	+4.57%
Max Drawdown (5Y) Largest decline over 5 years	-21.52%	-32.66%	+11.14%
Max Drawdown (10Y) Largest decline over 10 years	-38.82%	—	—
Current Drawdown Current decline from peak	0.00%	-0.38%	+0.38%
Average Drawdown Average peak-to-trough decline	-4.63%	-6.37%	+1.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.90%	4.81%	-2.91%

Volatility

INDEX vs. FSPGX - Volatility Comparison

The current volatility for Index Funds S&P 500 Equal Weight (INDEX) is 2.83%, while Fidelity Large Cap Growth Index Fund (FSPGX) has a volatility of 3.32%. This indicates that INDEX 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

	INDEX	FSPGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.83%	3.32%	-0.49%
Volatility (6M) Calculated over the trailing 6-month period	8.96%	11.58%	-2.62%
Volatility (1Y) Calculated over the trailing 1-year period	11.81%	15.39%	-3.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.76%	21.49%	-4.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.65%	21.55%	-2.90%

INDEX vs. FSPGX - Expense Ratio Comparison

INDEX has a 0.25% expense ratio, which is higher than FSPGX's 0.04% 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

INDEX vs. FSPGX - Dividend Comparison

INDEX's dividend yield for the trailing twelve months is around 0.93%, more than FSPGX's 0.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
INDEX Index Funds S&P 500 Equal Weight	0.93%	1.04%	1.97%	1.56%	3.25%	1.81%	1.53%	1.61%	3.09%	1.15%

Frequently Asked Questions

Can I hold both INDEX and FSPGX in my portfolio?

With a correlation of 0.93, INDEX and FSPGX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, INDEX or FSPGX?

FSPGX has higher volatility (3.32%) compared to INDEX (2.83%). In terms of maximum drawdown, INDEX dropped -38.82% vs FSPGX's -32.66%.

Which has better risk-adjusted returns?

INDEX currently has the higher Sharpe Ratio (2.52 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.