The S&P Composite index has been consistently above its trend for nearly three decades. The current record for the index as ...

The power of Python trumps Excel workbooks.

"I hear about normal distribution often, but how do I graph it?" To answer that question, I have summarized the steps to create a normal distribution graph in Excel. If the standard deviation is small ...

Microsoft Excel remains a cornerstone for data analysts, offering a wide array of functions to streamline workflows and enhance data accuracy. In this deep dive, Mo Chen highlights ten essential Excel ...

Use the Sharpe ratio to evaluate an asset's risk vs. return Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple ...

Standard deviation is the statistical measurement of dispersion about an average, which depicts how widely a stock or portfolio’s returns varied over a certain period of time. Investors use the ...

Use Excel to calculate daily returns and standard deviation to gauge stock volatility. Annualize volatility by multiplying daily standard deviation by the square root of 252. Remember, standard ...

Q. Traditional PivotTables have always intimidated me. I see there is a new Excel function called PIVOTBY. What is the difference between it and the traditional PivotTable? With the PIVOTBY function, ...

Annualized volatility is calculated as standard deviation times square root of periods. High annualized volatility indicates greater price variability and potential risk. Investors use annualized ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

The gaussian, or normal, distribution is a useful and common distribution. Imagine looking at a graph of the number of students in a physics class who achieved each grade in a recent test. The top of ...