We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.

Using a stock growth calculator, you may also calculate the average rate of growth between two points in time – quarterly or annually – using either linear or logarithmic methods.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

To calculate a price-weighted average, or any arithmetic average for that matter, add the numbers (stock prices) together and divide by the number of stocks in the average.

If you bought a different number of shares with each trade, a simple average of the prices won't be accurate. Learn the right way to find average trade price.

Another way to calculate dividend growth rates is to calculate the compound annual growth rate (CAGR). This method takes into account the dividend growth rates over multiple periods.