What Does Standard Deviation Measure In a Portfolio?
Standard deviation measures how far numbers in a data set are spread out from an average value. In investing, it is used as a measurement of portfolio volatility.
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Sigma in Statistical Analysis: What You Need to Know
Key Points Sigma represents the population standard deviation for a data set Sigma is used to measure process capability in ...
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How to Calculate Volatility of a Stock
2. Find the daily standard deviation. Now, you will use the STDEV.S function in Excel. Place your cursor in D13 and type '=STDEV.S(D4:D12)' without the quotation marks. This formula calculates the ...
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Coefficient of Variation: Understanding the Differences in Your Data
It is the ratio of the standard deviation and the mean of your data set. The formula is: Graphically, this can be seen below. Note that the two means are equal, but the two standard deviations are ...