FTGRX vs. SSSYX

Last updated Jun 4, 2026

FTGRX (Fidelity Advisor Mega Cap Stock Fund Class M) and SSSYX (State Street Equity 500 Index Fund Class K) are both Large Cap Blend Equities funds. Over the past 10 years, FTGRX returned 15.95%/yr vs 15.61%/yr for SSSYX. Their correlation of 0.93 suggests significant overlap in exposure. FTGRX charges 1.15%/yr vs 0.02%/yr for SSSYX.

Performance

FTGRX vs. SSSYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Mega Cap Stock Fund Class M (FTGRX) and State Street Equity 500 Index Fund Class K (SSSYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTGRX achieves a 10.26% return, which is significantly lower than SSSYX's 11.69% return. Both investments have delivered pretty close results over the past 10 years, with FTGRX having a 15.95% annualized return and SSSYX not far behind at 15.61%.

FTGRX

• 1D: -0.32%
• 1M: 3.36%
• YTD: 10.26%
• 6M: 12.12%
• 1Y: 30.68%
• 3Y*: 24.92%
• 5Y*: 15.69%
• 10Y*: 15.95%

SSSYX

• 1D: 0.14%
• 1M: 5.79%
• YTD: 11.69%
• 6M: 11.73%
• 1Y: 28.94%
• 3Y*: 22.73%
• 5Y*: 14.24%
• 10Y*: 15.61%

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

FTGRX vs. SSSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTGRX Fidelity Advisor Mega Cap Stock Fund Class M	10.26%	26.22%	25.36%	25.83%	-9.51%	25.63%	12.30%	30.47%	-7.95%	17.25%
SSSYX State Street Equity 500 Index Fund Class K	11.69%	17.81%	24.99%	26.27%	-18.16%	28.51%	18.31%	31.38%	-4.38%	21.61%

Correlation

The correlation between FTGRX and SSSYX is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Sep 19, 2014	0.93

The correlation between FTGRX and SSSYX has been stable across timeframes, ranging from 0.92 to 0.95 - a consistent structural relationship.

Return for Risk

FTGRX vs. SSSYX — Risk / Return Rank

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

FTGRX

FTGRX Risk / Return Rank: 78
FTGRX Sharpe Ratio Rank: 82
FTGRX Sortino Ratio Rank: 75
FTGRX Omega Ratio Rank: 73
FTGRX Calmar Ratio Rank: 77
FTGRX Martin Ratio Rank: 84

SSSYX

SSSYX Risk / Return Rank: 73
SSSYX Sharpe Ratio Rank: 75
SSSYX Sortino Ratio Rank: 67
SSSYX Omega Ratio Rank: 67
SSSYX Calmar Ratio Rank: 74
SSSYX Martin Ratio Rank: 83

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.

FTGRX vs. SSSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Mega Cap Stock Fund Class M (FTGRX) and State Street Equity 500 Index Fund Class K (SSSYX). 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.

	FTGRX	SSSYX	Difference
Sharpe ratio: Return per unit of total volatility	2.64	2.52	+0.12
Sortino ratio: Return per unit of downside risk	3.62	3.42	+0.20
Omega ratio: Gain probability vs. loss probability	1.48	1.46	+0.02
Calmar ratio: Return relative to maximum drawdown	3.49	3.36	+0.13
Martin ratio: Return relative to average drawdown	15.82	15.69	+0.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FTGRX vs. SSSYX - Sharpe Ratio Comparison

The current FTGRX Sharpe Ratio is 2.64, which is comparable to the SSSYX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of FTGRX and SSSYX, 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

	FTGRX	SSSYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.64	2.52	+0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.94	0.85	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.13	+0.76
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.12	+0.46

Drawdowns

FTGRX vs. SSSYX - Drawdown Comparison

The maximum FTGRX drawdown since its inception was -52.75%, smaller than the maximum SSSYX drawdown of -91.48%. Use the drawdown chart below to compare losses from any high point for FTGRX and SSSYX.

Drawdown Indicators

	FTGRX	SSSYX	Difference
Max Drawdown Largest peak-to-trough decline	-52.75%	-91.48%	+38.73%
Max Drawdown (1Y) Largest decline over 1 year	-9.06%	-8.88%	-0.18%
Max Drawdown (3Y) Largest decline over 3 years	-18.54%	-18.74%	+0.20%
Max Drawdown (5Y) Largest decline over 5 years	-23.63%	-24.49%	+0.86%
Max Drawdown (10Y) Largest decline over 10 years	-35.31%	-91.48%	+56.17%
Current Drawdown Current decline from peak	-0.32%	0.00%	-0.32%
Average Drawdown Average peak-to-trough decline	-6.79%	-4.15%	-2.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	1.90%	+0.09%

Volatility

FTGRX vs. SSSYX - Volatility Comparison

Fidelity Advisor Mega Cap Stock Fund Class M (FTGRX) and State Street Equity 500 Index Fund Class K (SSSYX) have volatilities of 2.70% and 2.82%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FTGRX	SSSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.70%	2.82%	-0.12%
Volatility (6M) Calculated over the trailing 6-month period	9.05%	8.96%	+0.09%
Volatility (1Y) Calculated over the trailing 1-year period	11.98%	11.85%	+0.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.71%	16.88%	-0.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.13%	124.46%	-106.33%

FTGRX vs. SSSYX - Expense Ratio Comparison

FTGRX has a 1.15% expense ratio, which is higher than SSSYX's 0.02% expense ratio.

Dividends

FTGRX vs. SSSYX - Dividend Comparison

FTGRX's dividend yield for the trailing twelve months is around 3.12%, more than SSSYX's 1.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FTGRX Fidelity Advisor Mega Cap Stock Fund Class M	3.12%	3.44%	2.20%	1.60%	3.88%	4.34%	7.59%	12.62%	21.28%	15.95%	1.52%	3.66%
SSSYX State Street Equity 500 Index Fund Class K	1.29%	1.44%	1.63%	1.78%	2.16%	2.76%	1.86%	4.44%	5.18%	5.94%	2.07%	1.84%

Frequently Asked Questions

Can I hold both FTGRX and SSSYX in my portfolio?

With a correlation of 0.94, FTGRX and SSSYX 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, FTGRX or SSSYX?

SSSYX has higher volatility (2.82%) compared to FTGRX (2.70%). In terms of maximum drawdown, FTGRX dropped -52.75% vs SSSYX's -91.48%.

Which has better risk-adjusted returns?

FTGRX currently has the higher Sharpe Ratio (2.64 vs 2.52), 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.