The Python statistics module is a built-in module for performing simple statistical calculations. Since it's part of the standard Python library, it's available in every Python installation. To access ...

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

If you bought all of your stock in a single transaction, it's easy to determine how your investment is performing. Simply look at the current share price and compare it to the price you paid. However, ...

To calculate your average trade price, add all purchase prices and divide by the number of trades. Use weighted average trade price calculation if share quantities vary per purchase. Weighted averages ...

As investors reach the age of retirement after years of diligently investing, many wonder about the rules for retirement account distributions and how much should be withdrawn from these accounts.

Calculating the return on your investments is the best way to tell if you're on track to achieve your financial goals. Yet if you regularly make contributions or withdrawals in your investment ...

David Lavie is a writer and editor with two decades' experience in marketing communications, equity research and publishing. He is a founding partner in Quartet Communications, where, as Head of ...