What Is an Earnings Report and Why Does It Move Stock Prices?
What an earnings report is, the three numbers in it that move the share, why a record quarter can send the price down, when reports land relative to market hours, and what that means for a share CFD position.
An earnings report is a company's quarterly statement of what it earned, what it sold, and what it expects next. It is the most predictable moment of large price movement in a single share, and the movement is decided not by whether the numbers were good but by whether they were better or worse than the market had already assumed.
Key Takeaways
- Three numbers matter: revenue, earnings per share (EPS), and guidance for the next period.
- The share moves on the gap between each number and the consensus forecast, not on the number itself.
- Guidance often moves the price more than the results, because it is about the future and results are about the past.
- Reports usually land outside market hours. A share CFD is repriced at the next open, in one step.
What Is In It
| Line | What it is | What the market compares it with |
| Revenue | Total sales in the quarter | Consensus revenue forecast |
| Earnings per share | Profit divided by shares outstanding | Consensus EPS forecast |
| Guidance | Management's expectation for the next quarter or year | Prior guidance and consensus |
| Margins, segment detail, cash flow | The quality behind the headline numbers | Trend and expectations |
Consensus is the median of analysts' published forecasts, and it plays exactly the role the forecast column plays on an economic calendar: it is what is already in the price.
Why a Record Quarter Can Send the Share Down
If a company was expected to earn $2.10 per share and earns $2.05, that is a miss, however good $2.05 is in absolute terms. If it beats on EPS and revenue but guides next quarter below what analysts modelled, the beat is history and the guidance is the future; the share tends to follow the future.
This is the same logic as why markets move before economic data is released: the market trades surprises, not levels.
Worked Example: The Same Report, Two Reactions
NVDA.US closes at $120.00 ahead of results. Consensus: EPS $0.95, revenue $28bn.
| Report | EPS | Revenue | Guidance | Typical reaction |
| A | $1.02 | $29bn | Above consensus | Opens higher — beat and raise |
| B | $1.02 | $29bn | Below consensus | Opens lower — same beat, weak outlook |
Identical results. Opposite openings. The difference is entirely in the sentence about next quarter.
(Illustrative figures.)
When Reports Land
US companies overwhelmingly report before the open or after the close, not during the session. The share's price then jumps at the next open to wherever the market decided overnight. For a share CFD, this is the defining risk: the position is exposed to the report throughout but cannot trade until the exchange opens, and a stop-loss inside the gap fills on the far side of it. Gap risk works through the arithmetic; what is stock CFD trading covers the instrument.
Earnings Season
Reports cluster in the weeks after each quarter ends — mid-January, mid-April, mid-July, mid-October for most US companies. During those windows a large share of the market reprices within days, and index moves are often the sum of many individual reports. See what is index trading.
Why It Matters
For a share CFD position, the earnings date is the most important entry on any calendar, and it is not on the macro one. Knowing it is due in three days changes the risk profile of a position opened for unrelated reasons. The practical choices — close before, reduce to a size chosen for a gap, or hold deliberately — are all reasonable; not knowing the date is not.
What is EPS?
Earnings per share: net profit divided by the number of shares outstanding. It is the headline profitability figure and the one most often compared with consensus.
Why did the stock fall after beating estimates?
Usually because guidance disappointed, the beat was smaller than the market's unofficial expectation, or the detail beneath the headline — margins, a key segment — was weak.
When do companies report?
Quarterly, mostly in the weeks following the quarter end, and usually outside market hours.
Where do I find a company's earnings date?
On the company's investor relations site and on most financial data providers' earnings calendars. It is not on the macroeconomic calendar.
Does an earnings report affect the index?
Individually, in proportion to the company's weight. In earnings season, collectively, and often substantially.
Related Reading
Why markets move before economic data · What is stock CFD trading · Gap risk · What is index trading · How to use an economic calendar
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