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SSSYX vs. VSMPX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between SSSYX and VSMPX is 0.99, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


Performance

SSSYX vs. VSMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Equity 500 Index Fund Class K (SSSYX) and Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX). The values are adjusted to include any dividend payments, if applicable.

140.00%160.00%180.00%200.00%220.00%December2025FebruaryMarchAprilMay
180.61%
201.41%
SSSYX
VSMPX

Key characteristics

Sharpe Ratio

SSSYX:

0.52

VSMPX:

0.48

Sortino Ratio

SSSYX:

0.89

VSMPX:

0.83

Omega Ratio

SSSYX:

1.13

VSMPX:

1.12

Calmar Ratio

SSSYX:

0.56

VSMPX:

0.51

Martin Ratio

SSSYX:

2.18

VSMPX:

1.95

Ulcer Index

SSSYX:

4.85%

VSMPX:

5.07%

Daily Std Dev

SSSYX:

19.34%

VSMPX:

19.65%

Max Drawdown

SSSYX:

-33.77%

VSMPX:

-34.97%

Current Drawdown

SSSYX:

-7.64%

VSMPX:

-7.95%

Returns By Period

In the year-to-date period, SSSYX achieves a -3.36% return, which is significantly higher than VSMPX's -3.70% return. Over the past 10 years, SSSYX has underperformed VSMPX with an annualized return of 10.99%, while VSMPX has yielded a comparatively higher 11.78% annualized return.


SSSYX

YTD

-3.36%

1M

3.80%

6M

-5.00%

1Y

9.98%

5Y*

15.12%

10Y*

10.99%

VSMPX

YTD

-3.70%

1M

4.20%

6M

-5.62%

1Y

9.30%

5Y*

15.27%

10Y*

11.78%

*Annualized

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SSSYX vs. VSMPX - Expense Ratio Comparison

Both SSSYX and VSMPX have an expense ratio of 0.02%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.


Risk-Adjusted Performance

SSSYX vs. VSMPX — Risk-Adjusted Performance Rank

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

SSSYX
The Risk-Adjusted Performance Rank of SSSYX is 6363
Overall Rank
The Sharpe Ratio Rank of SSSYX is 5858
Sharpe Ratio Rank
The Sortino Ratio Rank of SSSYX is 6161
Sortino Ratio Rank
The Omega Ratio Rank of SSSYX is 6464
Omega Ratio Rank
The Calmar Ratio Rank of SSSYX is 7070
Calmar Ratio Rank
The Martin Ratio Rank of SSSYX is 6464
Martin Ratio Rank

VSMPX
The Risk-Adjusted Performance Rank of VSMPX is 5959
Overall Rank
The Sharpe Ratio Rank of VSMPX is 5454
Sharpe Ratio Rank
The Sortino Ratio Rank of VSMPX is 5858
Sortino Ratio Rank
The Omega Ratio Rank of VSMPX is 5959
Omega Ratio Rank
The Calmar Ratio Rank of VSMPX is 6666
Calmar Ratio Rank
The Martin Ratio Rank of VSMPX is 5959
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

SSSYX vs. VSMPX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Equity 500 Index Fund Class K (SSSYX) and Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX). 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.


The current SSSYX Sharpe Ratio is 0.52, which is comparable to the VSMPX Sharpe Ratio of 0.48. The chart below compares the historical Sharpe Ratios of SSSYX and VSMPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.00December2025FebruaryMarchAprilMay
0.52
0.48
SSSYX
VSMPX

Dividends

SSSYX vs. VSMPX - Dividend Comparison

SSSYX's dividend yield for the trailing twelve months is around 1.68%, more than VSMPX's 1.35% yield.


TTM20242023202220212020201920182017201620152014
SSSYX
State Street Equity 500 Index Fund Class K
1.68%1.63%1.78%2.16%2.76%1.86%4.44%5.18%5.94%2.07%1.84%1.81%
VSMPX
Vanguard Total Stock Market Index Fund Institutional Plus Shares
1.35%1.27%1.44%1.67%1.22%1.43%1.78%2.05%1.73%1.95%1.52%0.00%

Drawdowns

SSSYX vs. VSMPX - Drawdown Comparison

The maximum SSSYX drawdown since its inception was -33.77%, roughly equal to the maximum VSMPX drawdown of -34.97%. Use the drawdown chart below to compare losses from any high point for SSSYX and VSMPX. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-7.64%
-7.95%
SSSYX
VSMPX

Volatility

SSSYX vs. VSMPX - Volatility Comparison

State Street Equity 500 Index Fund Class K (SSSYX) and Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX) have volatilities of 6.80% and 6.87%, 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.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%December2025FebruaryMarchAprilMay
6.80%
6.87%
SSSYX
VSMPX