Correlation Between Vanguard Institutional and SP 500

Can any of the company-specific risk be diversified away by investing in both Vanguard Institutional and SP 500 at the same time? Although using a correlation coefficient on its own may not help to predict future stock returns, this module helps to understand the diversifiable risk of combining Vanguard Institutional and SP 500 into the same portfolio, which is an essential part of the fundamental portfolio management process.

By analyzing existing cross correlation between Vanguard Institutional Index and SP 500 INDEX, you can compare the effects of market volatilities on Vanguard Institutional and SP 500 and check how they will diversify away market risk if combined in the same portfolio for a given time horizon. You can also utilize pair trading strategies of matching a long position in Vanguard Institutional with a short position of SP 500. Check out your portfolio center. Please also check ongoing floating volatility patterns of Vanguard Institutional and SP 500.

Diversification Opportunities for Vanguard Institutional and SP 500

0.72

Correlation Coefficient

Vanguard Institutional  SP 500

Poor diversification

The 3 months correlation between Vanguard and SPXKX is 0.72. Overlapping area represents the amount of risk that can be diversified away by holding Vanguard Institutional Index and SP 500 INDEX in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on SP 500 INDEX and Vanguard Institutional is a relative statistical measure of the degree to which these equity instruments tend to move together. The correlation coefficient measures the extent to which returns on Vanguard Institutional Index are associated (or correlated) with SP 500. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of SP 500 INDEX has no effect on the direction of Vanguard Institutional i.e., Vanguard Institutional and SP 500 go up and down completely randomly.

Pair Corralation between Vanguard Institutional and SP 500

Assuming the 90 days horizon Vanguard Institutional is expected to generate 2.06 times less return on investment than SP 500. But when comparing it to its historical volatility, Vanguard Institutional Index is 1.12 times less risky than SP 500. It trades about 0.07 of its potential returns per unit of risk. SP 500 INDEX is currently generating about 0.14 of returns per unit of risk over similar time horizon. If you would invest  7,829  in SP 500 INDEX on September 13, 2025 and sell it today you would earn a total of  585.00  from holding SP 500 INDEX or generate 7.47% return on investment over 90 days.

Time Period	3 Months [change]
Direction	Moves Together
Strength	Significant
Accuracy	100.0%
Values	Daily Returns

Vanguard Institutional Index  vs.  SP 500 INDEX

Vanguard Institutional

Risk-Adjusted Performance

Fair

Compared to the overall equity markets, risk-adjusted returns on investments in Vanguard Institutional Index are ranked lower than 5 (%) of all funds and portfolios of funds over the last 90 days. In spite of fairly strong forward indicators, Vanguard Institutional is not utilizing all of its potentials. The current stock price disturbance, may contribute to short-term losses for the investors.

SP 500 INDEX

Risk-Adjusted Performance

Fair

Compared to the overall equity markets, risk-adjusted returns on investments in SP 500 INDEX are ranked lower than 10 (%) of all global equities and portfolios over the last 90 days. In spite of fairly weak forward-looking signals, SP 500 may actually be approaching a critical reversion point that can send shares even higher in January 2026.

Pair Trading with Vanguard Institutional and SP 500

The main advantage of trading using opposite Vanguard Institutional and SP 500 positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if Vanguard Institutional position performs unexpectedly, SP 500 can make up some of the losses. Pair trading also minimizes risk from directional movements in the market. For example, if an entire industry or sector drops because of unexpected headlines, the short position in SP 500 will offset losses from the drop in SP 500's long position.

The idea behind Vanguard Institutional Index and SP 500 INDEX pairs trading is to make the combined position market-neutral, meaning the overall market's direction will not affect its win or loss (or potential downside or upside). This can be achieved by designing a pairs trade with two highly correlated stocks or equities that operate in a similar space or sector, making it possible to obtain profits through simple and relatively low-risk investment.

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Note that this page's information should be used as a complementary analysis to find the right mix of equity instruments to add to your existing portfolios or create a brand new portfolio. You can also try the CEOs Directory module to screen CEOs from public companies around the world.