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In this article, we delve into the concept of quantitative modeling and explore the different layers of analysis that constitute this approach. We also examine the relative importance of these layers and how they contribute to stock market predictions.

Beta is a measure of the volatility of a security, or of a portfolio of securities compared to the market as a whole. Statistically, Beta represents the slope of a regression of an individual stock’s returns against those of the market as a whole, for a defined period of time.