SSEYX vs. SVSPX

Last updated Jun 24, 2026

SSEYX (State Street Equity 500 Index II Portfolio) and SVSPX (State Street S&P 500 Index Fund Class N) are both Large Cap Blend Equities funds from State Street. Over the past 10 years, SSEYX returned 15.70%/yr vs 15.65%/yr for SVSPX. With a 0.96 correlation, they move nearly in lockstep. SSEYX charges 0.02%/yr vs 0.16%/yr for SVSPX.

Performance

SSEYX vs. SVSPX - 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 S&P 500 Index Fund Class N (SVSPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SSEYX having a 9.78% return and SVSPX slightly lower at 9.71%. Both investments have delivered pretty close results over the past 10 years, with SSEYX having a 15.70% annualized return and SVSPX not far behind at 15.65%.

SSEYX

• 1D: -0.36%
• 1M: 0.10%
• YTD: 9.78%
• 6M: 8.79%
• 1Y: 25.17%
• 3Y*: 21.28%
• 5Y*: 13.52%
• 10Y*: 15.70%

SVSPX

• 1D: -0.37%
• 1M: 0.47%
• YTD: 9.71%
• 6M: 8.71%
• 1Y: 25.50%
• 3Y*: 21.37%
• 5Y*: 13.49%
• 10Y*: 15.65%

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

SSEYX vs. SVSPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSEYX State Street Equity 500 Index II Portfolio	9.78%	17.52%	25.01%	26.29%	-18.18%	28.58%	18.28%	31.42%	-4.54%	21.72%
SVSPX State Street S&P 500 Index Fund Class N	9.71%	17.83%	25.07%	26.21%	-18.31%	28.38%	18.48%	31.27%	-4.87%	21.71%

Correlation

The correlation between SSEYX and SVSPX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Aug 14, 2014	0.96

The correlation between SSEYX and SVSPX shifts across timeframes, from 0.79 (1 year) to 0.96 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SSEYX vs. SVSPX — Risk / Return Rank

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

SSEYX

SSEYX Risk / Return Rank: 64
SSEYX Sharpe Ratio Rank: 62
SSEYX Sortino Ratio Rank: 56
SSEYX Omega Ratio Rank: 58
SSEYX Calmar Ratio Rank: 66
SSEYX Martin Ratio Rank: 77

SVSPX

SVSPX Risk / Return Rank: 82
SVSPX Sharpe Ratio Rank: 82
SVSPX Sortino Ratio Rank: 79
SVSPX Omega Ratio Rank: 75
SVSPX Calmar Ratio Rank: 84
SVSPX Martin Ratio Rank: 91

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. SVSPX - 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 S&P 500 Index Fund Class N (SVSPX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	SSEYX	SVSPX	Difference
Sharpe ratio: Return per unit of total volatility	2.13	2.47	-0.35
Sortino ratio: Return per unit of downside risk	2.88	3.45	-0.57
Omega ratio: Gain probability vs. loss probability	1.39	1.44	-0.06
Calmar ratio: Return relative to maximum drawdown	2.98	3.70	-0.72
Martin ratio: Return relative to average drawdown	13.47	16.89	-3.43

SSEYX vs. SVSPX - Sharpe Ratio Comparison

The current SSEYX Sharpe Ratio is 2.13, which is comparable to the SVSPX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of SSEYX and SVSPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SSEYX vs. SVSPX - Drawdown Comparison

The maximum SSEYX drawdown since its inception was -33.75%, smaller than the maximum SVSPX drawdown of -55.76%. Use the drawdown chart below to compare losses from any high point for SSEYX and SVSPX.

Drawdown Indicators

	SSEYX	SVSPX	Difference
Max Drawdown Largest peak-to-trough decline	-33.75%	-55.76%	+22.01%
Max Drawdown (1Y) Largest decline over 1 year	-8.88%	-8.93%	+0.05%
Max Drawdown (3Y) Largest decline over 3 years	-18.74%	-19.09%	+0.35%
Max Drawdown (5Y) Largest decline over 5 years	-24.52%	-24.59%	+0.07%
Max Drawdown (10Y) Largest decline over 10 years	-33.75%	-33.69%	-0.06%
Current Drawdown Current decline from peak	-1.71%	-1.73%	+0.02%
Average Drawdown Average peak-to-trough decline	-4.08%	-9.23%	+5.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	1.92%	+0.04%

Volatility

SSEYX vs. SVSPX - Volatility Comparison

State Street Equity 500 Index II Portfolio (SSEYX) and State Street S&P 500 Index Fund Class N (SVSPX) have volatilities of 4.67% and 4.84%, 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

	SSEYX	SVSPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.67%	4.84%	-0.17%
Volatility (6M) Calculated over the trailing 6-month period	9.82%	10.68%	-0.86%
Volatility (1Y) Calculated over the trailing 1-year period	12.48%	13.40%	-0.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.00%	17.54%	-0.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.11%	18.39%	-0.28%

SSEYX vs. SVSPX - Expense Ratio Comparison

SSEYX has a 0.02% expense ratio, which is lower than SVSPX'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. SVSPX - Dividend Comparison

SSEYX's dividend yield for the trailing twelve months is around 1.26%, less than SVSPX's 7.31% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSEYX State Street Equity 500 Index II Portfolio	1.26%	1.38%	1.93%	1.46%	1.57%	2.48%	3.63%	2.36%	5.91%	5.37%	2.29%	3.47%
SVSPX State Street S&P 500 Index Fund Class N	7.31%	8.28%	9.39%	12.38%	10.53%	11.65%	15.98%	6.40%	13.29%	4.94%	8.63%	4.05%

Frequently Asked Questions

Can I hold both SSEYX and SVSPX in my portfolio?

SSEYX and SVSPX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSEYX or SVSPX?

SVSPX has higher volatility (4.84%) compared to SSEYX (4.67%). In terms of maximum drawdown, SSEYX dropped -33.75% vs SVSPX's -55.76%.

Which has better risk-adjusted returns?

SVSPX currently has the higher Sharpe Ratio (2.47 vs 2.13), 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.