Calculating Variance and Standard Deviation of Stock Returns

We can also calculate the variance and standard deviation of the stock returns. The variance will be calculated as the weighted sum of the square of differences between each outcome and the expected returns.

The standard deviation will be:

Remember that the units of measuring standard deviation are the same as the units of measuring stock returns, in this case percentage (%).

Related Downloads

Related Quizzes

Probablity Concepts

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Data Science in Finance: 9-Book Bundle

Data Science in Finance Book Bundle

Master R and Python for financial data science with our comprehensive bundle of 9 ebooks.

What's Included:

  • Getting Started with R
  • R Programming for Data Science
  • Data Visualization with R
  • Financial Time Series Analysis with R
  • Quantitative Trading Strategies with R
  • Derivatives with R
  • Credit Risk Modelling With R
  • Python for Data Science
  • Machine Learning in Finance using Python

Each book comes with PDFs, detailed explanations, step-by-step instructions, data files, and complete downloadable R code for all examples.