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 ...

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The correlation coefficient measures the relationship between two securities or variables.

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

Many traders find that it's easier to sustain success through stocks that meet certain characteristics, which they understand enough to trade on a consistent basis. These stocks could be in a certain ...