Calculate annual % change by dividing start by end value, raising to inverse years, minus one, times 100. Ex: a drop from $15M to $10M over 2 years is a 18.4% average annual decline. This calculation ...

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 ...

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 ...