Learn how using historical data, instead of standard deviation, offers a more accurate assessment of stock volatility and risk management strategies.

This article is adapted from an edition of our Off the Charts newsletter originally published in March 2021. It is being published to commemorate five years of Off the Charts—a weekly, subscriber-only ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Pete Rathburn is a copy editor and ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Follow the steps to make a Run Chart in Microsoft Excel: Run charts are used to monitor the performance of the process over time with a focus on process improvement; it displays the measurement of the ...

I’ve been working on an article about vacuum tube triodes. Yes, they’re still being used in the manufacture of high-end audio equipment and in musical instrument amplifiers. A triode has three ...

As you use Microsoft Excel more and more, you'll find that the VLOOKUP function is a very popular tool for dealing with large Excel directories or databases. It allows the user to quickly find ...

If you use Microsoft Excel, you'll recognize that it is a powerful application, capable of acting as a full-featured spreadsheet and data analysis tool. While Excel is fully capable of some powerful ...