Guide · Basics
How Earnings Season Works, and Why a 'Beat' Can Still Send a Stock Lower
Four times a year, US companies report their quarterly results over a few busy weeks. Here's what's in an earnings report, how to read expectations, and why the market often reacts to guidance more than to the headline numbers.
Public companies in the US report their financial results every quarter. Most do so in the weeks after the quarter ends, so results arrive in a concentrated burst known as earnings season. It traditionally begins with the big banks, about two weeks after the quarter closes; for the third quarter of 2026, JPMorgan Chase, Goldman Sachs, Citigroup and Wells Fargo open the season on October 13. Over the following five or six weeks, most of the S&P 500 reports.
An earnings report contains several things that matter. Revenue is the total money a company brought in. Earnings per share (EPS) is profit divided by the number of shares, usually shown on an 'adjusted' basis that excludes one-off items. Margins show how much of each dollar of revenue becomes profit. And guidance is what management expects for the coming quarter or year. Reports are usually followed by a conference call in which executives answer analysts' questions.
Markets don't judge results in isolation. They judge them against expectations. Analysts publish forecasts, and the average of those forecasts — the consensus — becomes the benchmark. A company that reports EPS above consensus has 'beaten'; below it, 'missed'. Because companies tend to guide analysts toward numbers they can exceed, most S&P 500 companies beat in a typical quarter. A small beat is therefore often treated as neutral, not good news.
That's why a beat can still send a stock lower. If revenue disappointed while profit beat thanks to cost cuts, investors may see the quality of the result as weak. If guidance for the next quarter is below expectations, the outlook usually outweighs the past quarter. And if a stock has rallied heavily before the report, a good result may already be in the price — the 'sell the news' effect. The reverse also happens: a miss accompanied by strong guidance can lift a stock.
A few habits help during earnings season. Check the date and timing — before the open or after the close — because results released after the close can produce large gaps at the next open. Look at the options market's implied move, which shows how big a reaction traders are pricing in. Compare revenue, margins and guidance, not just EPS. And remember that macro events can collide with company results: in the week of October 12, 2026, Bank of America and Morgan Stanley report on the same morning as September's inflation data, so their shares may react as much to the CPI number as to their own figures.
Earnings season also offers a read on the economy as a whole. Banks describe loan demand and credit quality, retailers and consumer companies describe spending, and industrial firms describe orders. Listening to what companies say about the next few months is often more informative than the numbers they report for the last three.