How to Read the Economic Calendar: 5 Things to Check
Impact ratings, release times and time zones, forecast versus previous, how the figure is measured, and context: five checks to make before any release.
· 8 min read
TL;DR
An economic calendar lists scheduled data releases with a time, a currency, an impact rating, a forecast and the previous result. Check the importance, the release time in your own time zone, the forecast against the previous figure, how the number is measured, and what else is on the same day. Then decide whether to trade the event, reduce size or stay flat.
An economic calendar is a schedule of data releases, central bank decisions and speeches, usually sorted by day and time. Brokers, data vendors and news sites all publish one. Most look alike: a row per event with a country or currency flag, a time, a name, an importance rating and three number columns. Reading it well is mostly a matter of knowing which parts of each row to trust and which to question.
The calendar does not tell you what will happen. It tells you when the market is most likely to move for a reason, so you can choose whether to be in it. Here are five checks to run on every release that matters to a pair you trade.
1. Impact rating and which currency it affects
Calendars label events low, medium or high impact, often with colours or bars. This rating is the vendor's own judgement, not an official measure, and different sites rate the same event differently. Treat it as a first filter, not a fact.
Check which currency the event belongs to, and whether it matters to your pair. A UK release moves GBP/USD and EUR/GBP, not AUD/NZD. Also remember that importance changes with the situation. When a central bank is focused on inflation, inflation data becomes the event of the month. When it is focused on jobs, labour data takes that role. Reading the central bank's recent language, as covered in how central banks influence forex prices, tells you which releases the market will care about.
2. Release time and your time zone
Official agencies publish at fixed local times. The US Bureau of Labor Statistics releases its employment and inflation reports at 8:30 a.m. New York time, and the Bureau of Economic Analysis publishes GDP at the same hour. Your calendar converts these to your own time zone, and that conversion is where mistakes happen.
Daylight saving time starts and ends on different dates in the United States, the United Kingdom and Europe. For most of the year 8:30 a.m. in New York is 13:30 in London, but for a couple of weeks around the clock changes the gap is one hour shorter, so the same release falls at 12:30 London time. Check the time zone setting on your calendar, and double-check the first week after any clock change.
Also note whether an event has a fixed time. Central bank press conferences, speeches and testimony often start later than the scheduled time or overrun. A decision may come out at one time and the press conference an hour later, and the market can move on each.
3. Forecast, previous and actual
Each row has a forecast, a previous figure, and, after the release, the actual. The forecast is a consensus of economists. The previous is what the last release said, but that number may now be different, because many series are revised. The calendar often shows the revised previous figure in a different colour or footnote.
| Column | What it is | What to check |
|---|---|---|
| Forecast | Consensus estimate before the release | The source and how wide the range of estimates is |
| Previous | The last published figure, possibly revised | Whether it was revised and by how much |
| Actual | The figure just published | The gap from the forecast, and what else moved |
The size of the surprise is what matters, as explained in how to trade the news. A calendar can also show a very wide range of forecasts. When economists disagree widely, a large move in either direction is more likely than when they cluster around one number.
4. How the figure is measured
The same release often carries several versions of the number, and the calendar may only show one. Check the details before you compare the forecast and the actual.
- Month on month or year on year. Inflation can be quoted as the change from the previous month or from the same month a year earlier. A year-on-year figure can move because of what happened twelve months ago, not only this month.
- Headline or core. Core inflation excludes food and energy, which are volatile. The market often reacts to core first.
- Preliminary, second or final. Some releases come in stages, such as GDP, and the early estimate is later revised. A flash figure is an early estimate, not a final one.
- Seasonally adjusted or not. Most headline series are adjusted for regular seasonal patterns, so the figure is not a raw count.
- Units. Check whether the number is a level, a percentage change or a change in thousands.
5. Context: what else is happening
A single row only makes sense next to the rest of the day. Look for clustering: several important releases for one currency in a short window can pull price in different directions, so the net result is hard to predict. Look at what comes next, because a quiet Tuesday ahead of a central bank meeting can still be a day of thin trading while the market waits.
- Bank holidays. A holiday in one country can thin liquidity for its currency all day.
- Central bank events. Rate decisions, minutes and speeches by officials often matter more than any single data point, since they are where the market learns how data will be interpreted.
- Related releases. A manufacturing survey, retail sales and employment data are read together, not alone.
- Your own open positions. Check whether you hold anything that the event affects, and how much it is exposed to the move.
Leading, coincident and lagging data
Economists group indicators by how they behave around turning points in the business cycle. The Conference Board publishes leading, coincident and lagging indexes built on this idea. The table gives the usual idea with examples. Classifications vary by source, and a single indicator does not tell you where the cycle stands, so treat the groups as a framework rather than a rule.
| Group | Behaviour | Examples |
|---|---|---|
| Leading | Tends to turn before the wider economy | Building permits, new orders in manufacturing surveys, the interest rate spread between long and short government bonds, consumer expectations |
| Coincident | Moves with current activity | Nonfarm payrolls, industrial production, personal income, manufacturing and trade sales |
| Lagging | Confirms a trend after it has started | Duration of unemployment, some labour cost measures, consumer credit relative to income |
For forex traders this matters because currencies respond to what the data implies for the next move in policy. A leading indicator can show where the trend may be heading, while a lagging one can show why a central bank is still cautious. The next two articles look at the most important of these in detail: US payrolls and CPI, and leading indicators such as the ISM PMI, retail sales and GDP.
Turn the checks into a routine
A short routine works better than a long one. At the start of the week, list the high-impact events for the currencies you trade. Each morning, confirm the times in your time zone, read the forecast and previous figures, and write down what you will do: trade, reduce size or stay flat. If your plan on a given day is to avoid the release, close or reduce positions beforehand. This sits naturally in a pre-market checklist.
Remember that the calendar is a tool for planning risk, not a source of trade signals. Trading around events carries a high risk of loss, and most retail traders lose money. This is education, not advice.
Sources: US Bureau of Labor Statistics release calendars (Employment Situation and CPI); US Bureau of Economic Analysis release schedule; Conference Board descriptions of its leading, coincident and lagging indexes. Next in the series: Trading US Nonfarm Payrolls (NFP) and CPI Inflation Prints.
Quick answers
Are the impact ratings on an economic calendar official?
No. They are the opinion of the calendar provider, and different providers rate the same event differently. Use them as a starting filter and judge importance by what the central bank is currently focused on.
Why does my calendar show a different time from the one I expected?
Usually it is a time zone or daylight saving mismatch. The US, UK and Europe change their clocks on different dates, so the gap between New York and London shifts by an hour for a short period each spring and autumn.
Which releases matter most for forex?
Central bank decisions and the data that shapes interest rate expectations, mainly inflation, employment and growth figures for the major economies. Which of these dominates depends on what policymakers are currently concerned about.
Does a good forecast mean a good trade?
No. The forecast is already in the price. What can move the market is a result that differs from it, and even then the first reaction can reverse.
This article is general information, not investment advice. Trading CFDs, forex, crypto and commodities carries a high level of risk and may not be suitable for everyone. Past results do not guarantee future performance.