SSEYX vs. SSAQX

Last updated Jun 5, 2026

SSEYX (State Street Equity 500 Index II Portfolio) and SSAQX (State Street U.S. Core Equity Fund) are both Large Cap Blend Equities funds from State Street. Over the past 5 years, SSEYX returned 13.83%/yr vs 9.19%/yr for SSAQX. With a 0.99 correlation, they move nearly in lockstep. SSEYX charges 0.02%/yr vs 0.16%/yr for SSAQX.

Performance

SSEYX vs. SSAQX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Equity 500 Index II Portfolio (SSEYX) and State Street U.S. Core Equity Fund (SSAQX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SSEYX achieves a 10.88% return, which is significantly higher than SSAQX's 7.33% return.

SSEYX

• 1D: -0.73%
• 1M: 4.17%
• YTD: 10.88%
• 6M: 10.51%
• 1Y: 27.67%
• 3Y*: 22.33%
• 5Y*: 13.83%
• 10Y*: 15.49%

SSAQX

• 1D: -0.63%
• 1M: 3.33%
• YTD: 7.33%
• 6M: 7.08%
• 1Y: 24.66%
• 3Y*: 14.65%
• 5Y*: 9.19%
• 10Y*: —

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

SSEYX vs. SSAQX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SSEYX State Street Equity 500 Index II Portfolio	10.88%	17.52%	25.01%	26.29%	-18.18%	14.46%
SSAQX State Street U.S. Core Equity Fund	7.33%	17.43%	5.04%	28.87%	-18.27%	12.02%

Correlation

The correlation between SSEYX and SSAQX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.99

The correlation between SSEYX and SSAQX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

SSEYX vs. SSAQX — Risk / Return Rank

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

SSEYX

SSEYX Risk / Return Rank: 65
SSEYX Sharpe Ratio Rank: 63
SSEYX Sortino Ratio Rank: 58
SSEYX Omega Ratio Rank: 58
SSEYX Calmar Ratio Rank: 66
SSEYX Martin Ratio Rank: 79

SSAQX

SSAQX Risk / Return Rank: 46
SSAQX Sharpe Ratio Rank: 50
SSAQX Sortino Ratio Rank: 47
SSAQX Omega Ratio Rank: 47
SSAQX Calmar Ratio Rank: 38
SSAQX Martin Ratio Rank: 49

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.

SSEYX vs. SSAQX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Equity 500 Index II Portfolio (SSEYX) and State Street U.S. Core Equity Fund (SSAQX). 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.

	SSEYX	SSAQX	Difference
Sharpe ratio: Return per unit of total volatility	2.34	2.08	+0.26
Sortino ratio: Return per unit of downside risk	3.21	2.88	+0.32
Omega ratio: Gain probability vs. loss probability	1.43	1.37	+0.05
Calmar ratio: Return relative to maximum drawdown	3.13	2.33	+0.80
Martin ratio: Return relative to average drawdown	14.62	10.01	+4.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSEYX vs. SSAQX - Sharpe Ratio Comparison

The current SSEYX Sharpe Ratio is 2.34, which is comparable to the SSAQX Sharpe Ratio of 2.08. The chart below compares the historical Sharpe Ratios of SSEYX and SSAQX, 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

	SSEYX	SSAQX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.34	2.08	+0.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.82	0.49	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.86	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.50	+0.29

Drawdowns

SSEYX vs. SSAQX - Drawdown Comparison

The maximum SSEYX drawdown since its inception was -33.75%, which is greater than SSAQX's maximum drawdown of -31.70%. Use the drawdown chart below to compare losses from any high point for SSEYX and SSAQX.

Drawdown Indicators

	SSEYX	SSAQX	Difference
Max Drawdown Largest peak-to-trough decline	-33.75%	-31.70%	-2.05%
Max Drawdown (1Y) Largest decline over 1 year	-8.88%	-10.74%	+1.86%
Max Drawdown (3Y) Largest decline over 3 years	-18.74%	-31.70%	+12.96%
Max Drawdown (5Y) Largest decline over 5 years	-24.52%	-31.70%	+7.18%
Max Drawdown (10Y) Largest decline over 10 years	-33.75%	—	—
Current Drawdown Current decline from peak	-0.73%	-0.71%	-0.02%
Average Drawdown Average peak-to-trough decline	-4.09%	-8.08%	+3.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.90%	2.49%	-0.59%

Volatility

SSEYX vs. SSAQX - Volatility Comparison

The current volatility for State Street Equity 500 Index II Portfolio (SSEYX) is 2.92%, while State Street U.S. Core Equity Fund (SSAQX) has a volatility of 3.09%. This indicates that SSEYX experiences smaller price fluctuations and is considered to be less risky than SSAQX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSEYX	SSAQX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.92%	3.09%	-0.17%
Volatility (6M) Calculated over the trailing 6-month period	8.97%	9.24%	-0.27%
Volatility (1Y) Calculated over the trailing 1-year period	11.87%	12.01%	-0.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.91%	18.86%	-1.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.06%	18.86%	-0.80%

SSEYX vs. SSAQX - Expense Ratio Comparison

SSEYX has a 0.02% expense ratio, which is lower than SSAQX's 0.16% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SSEYX vs. SSAQX - Dividend Comparison

SSEYX's dividend yield for the trailing twelve months is around 1.25%, less than SSAQX's 11.20% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSAQX State Street U.S. Core Equity Fund	11.20%	12.02%	0.00%	3.83%	9.83%	13.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SSEYX State Street Equity 500 Index II Portfolio	1.25%	1.38%	1.93%	1.46%	1.57%	2.48%	3.63%	2.36%	5.91%	5.37%	2.29%	3.47%

Frequently Asked Questions

Can I hold both SSEYX and SSAQX in my portfolio?

With a correlation of 0.98, SSEYX and SSAQX 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, SSEYX or SSAQX?

SSAQX has higher volatility (3.09%) compared to SSEYX (2.92%). In terms of maximum drawdown, SSEYX dropped -33.75% vs SSAQX's -31.70%.

Which has better risk-adjusted returns?

SSEYX currently has the higher Sharpe Ratio (2.34 vs 2.08), 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.