Earnings calendars are an essential online tool for all stock traders and investors. Here you will find all the US stock market earnings announcements in a single calendar which you can filter on those coming up today, tomorrow, this week and next week. The earnings calendar is a useful tool that helps you stay on top of things. It lets you track companies that are about to announce their earnings. You can see the date, estimated EPS, and reported EPS for each available company. Earnings per share is an indicator of a company’s profitability, and it’s one of several metrics to include in your fundamental analysis.