A plain guide to return on equity: the formula, a worked example, how to read the percent, and where the number can mislead.

A plain guide to the debt to equity ratio: the formula, a worked example, how to read the result, and the limits of the number.

A plain guide to the price to sales ratio: market cap divided by sales, a worked example and how to read the result.

A plain guide to the dividend yield calculator: the formula, a worked example, how to read the yield and what the tool cannot tell you.

A plain guide to the compound interest calculator: what the result means, the formula, a worked example and the limits of the tool.

Learn how companies can get a profile, publish a press release or be featured in a labeled spotlight on Positive Stocks, and where Optuny fits in.

In short: Positive Stocks is a free place to learn how investing works, follow real company news, and use simple tools, all explained in plain words. This post explains what we are building and what the little moving chart in our logo stands for.What Positive Stocks isPositive Stocks is an...

In short: Dollar cost averaging means investing the same amount on a schedule, no matter the price.You buy more shares when prices are low and fewer when they are high. The dollar cost averaging calculator shows what steady deposits could build over time. Open the dollar cost averaging calculator and...

In short: Asset allocation is how your money is split between types of investments, like stocks, bonds, cash and crypto.The portfolio allocation calculator shows the percentage each piece makes up, so you can see if one holding is quietly taking over. Open the portfolio allocation calculator and follow along.The portfolio...

In short: When you buy the same stock several times at different prices, your real entry price is the average.The average cost basis calculator combines all your purchases into one number so you know where you break even. Open the average cost basis calculator and follow along.The average cost basis...