Learn about correlation, including how it measures the relationship between securities, along with how it aids in diversifying your portfolio and risk management.

What Is the Correlation Coefficient? The correlation coefficient quantifies the strength and direction of a linear relationship between two variables, key in assessing investment risks and optimizing ...

What Is the Correlation Coefficient? The correlation coefficient is a metric that measures the strength and direction of a relationship between two securities or variables, such as a stock and a ...

You've probably noticed certain things that have a clear relationship with one another. For example, the amount of petrol your car uses increases along with the number of kilometres you drive. Or, if ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. A negative correlation means that two variables ...

The correlation coefficient, often represented by the letter ‘r,’ measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r ranges from -1 to ...

The correlation coefficient calculator is a free online tool that calculates the correlation coefficient for a given set of data values using Pearson’s method. It provides detailed step-by-step ...