If you break down the equation step-by-step, you'll find it's not too difficult to calculate on your own. As an example of a standard deviation calculation, we can look at the S&P 500 during the ...

Below is an example of calculating the standard deviation of the stock returns of Apple (Nasdaq: AAPL) over a three-month period. Step 2: Calculate the average of the returns using the AVERAGE ...

Standard deviation is widely used in business for risk management. It helps businesses quantify and manage various types of risks. By calculating the standard deviation of certain outcomes ...

Investors often use standard deviation to quantify asset volatility. You can calculate standard deviation of an asset in a spreadsheet with a series of daily closing values. Standard deviation ...