TradingPlatformsAcademy
RegisterLog In
Academy / Trading Need-to-Know / Fundamentals
How to Read an Economic Calendar: Actual, Forecast and Previous

How to Read an Economic Calendar: Actual, Forecast and Previous

Learn how to read actual, forecast and previous economic data, check revisions and time zones, and build an event checklist without treating news as a signal.
An economic calendar helps you organise scheduled events that may matter to financial markets. It does not tell you which trade will be profitable, and a green or red number is not a complete market interpretation.
The most useful starting point is to identify what is being measured, compare the released value with the relevant expectation, and check whether the earlier data changed. Time zone, units and revisions all matter before you consider the potential market implications.
This guide provides a repeatable way to read a calendar without turning every release into a trading signal.

Read the row before reading the number

Calendars vary by provider. A typical event entry includes the country or currency, release time, indicator name, reference period and values labelled actual, forecast and previous. Economic calendar examples show these fields together, including a separate period to which the data relate. [1]
Calendar fieldWhat it tells youWhat to check
Date and timeWhen publication is scheduledDisplay time zone, date and any schedule change
Event and reference periodWhat is measured and for which periodExact series, frequency and units
ActualThe newly released figureWhether it is preliminary and whether the source has updated it
ForecastThe provider's pre-release expectationHow the estimate was compiled; it is not a price forecast
PreviousThe earlier comparable observationWhether it has been revised
Impact indicator, where shownA provider's assessment of potential importanceIt is not a guarantee of direction or volatility
A release date and a reference period are not the same thing. The US Bureau of Labor Statistics, for example, publishes schedules showing the month being reported alongside the later publication date. [2]

What do actual, forecast and previous mean?

  • ActualThe new observation published for the named indicator. A reported figure can still be preliminary; "actual" does not mean it can never be revised.
  • ForecastAn estimate displayed before release. Depending on the calendar provider, it may come from surveyed expectations or a forecasting model. Check the methodology rather than assuming every website uses the same consensus. The value concerns the economic indicator, not the next price of a currency pair.
  • PreviousThe earlier comparable reading, sometimes already updated with a revision. Before describing a trend, compare the same series and the same measurement basis.
These distinctions prevent three different questions from being collapsed into one: what happened, what was expected, and how the new result compares with the earlier period.

A worked inflation example

The following figures are entirely hypothetical. They are not the latest US inflation figures or a forecast of any release.
MeasureActualForecastPrevious, revised
Monthly headline CPI change0.4%0.2%0.2%, previously 0.3%
Monthly core CPI change0.2%0.3%0.3%
The first row exceeds the displayed expectation by 0.2 percentage points. It also exceeds the revised previous reading. The second row is below its displayed expectation. Reading only the headline row would miss information that points in a different direction.
For CPI, be careful to distinguish the all-items measure from measures excluding selected categories, and monthly changes from changes over twelve months. BLS explains both the composition of CPI and the different comparisons used to interpret it. [3]
Seasonal adjustment is another distinction. It is used to remove recurring seasonal patterns; adjusted and unadjusted series should not be substituted for each other in a like-for-like comparison. [4]
The lesson from the example is about interpretation, not prediction. A mixed release is not converted into a reliable buy or sell instruction simply by selecting one row.

Why revisions deserve their own check

A calendar's earlier value can change because the publishing agency has received additional information or applied its revision process. The US payroll establishment survey, for example, revises initial estimates as further reports are collected, with separate annual benchmarking also used. [5]
Suppose a hypothetical employment release reports 180,000 additional jobs against an expectation of 160,000, while an earlier month's gain is revised down by 40,000. The current result is above expectation, but the earlier employment path is weaker than previously reported.
Those observations provide context; they are not a mechanical equation that proves the currency should rise or fall. Record the new number and the revision separately so that your interpretation can be reviewed later.

Check the time zone before planning around an event

A scheduled 08:30 release in US Eastern Time is not 08:30 everywhere. The UTC offset can change with daylight saving, while your own location may follow a different clock-change schedule or none at all.
Confirm the calendar's display zone and the official publisher's stated time. BLS identifies its schedule times as Eastern Time. Do not assume that a calendar, your phone clock and a trading server all display the same zone. [2]
For central-bank events, distinguish the decision, accompanying materials, press conference and later minutes. The Federal Reserve's calendar separates these releases and identifies meeting-related documents. They should not be treated as one interchangeable event. [6]

Why a stronger number does not guarantee a stronger currency

A release is one piece of information. Its interpretation depends on what was expected, other figures released alongside it and how it changes the broader economic picture. Reading the actual figure without those comparisons cannot establish a trading direction.
A useful exercise is to write two interpretations before a release: one explaining what would count as stronger-than-expected data, and another explaining what could make that reading ambiguous. After publication, record which evidence actually appeared rather than fitting the number to a trade you already wanted to make.
The same discipline applies to an "unchanged" interest-rate decision. The decision and the accompanying explanation are separate pieces of information; an unchanged rate is not proof that the event contains no new information. [6]

Build a before-and-after event routine

  • Before the eventIdentify the exact indicator and official source, confirm the date and time zone, record the forecast methodology where available, and note the previous reading. Then check which open positions or pending orders could be exposed to the event.
  • At releaseVerify the series and units, compare actual with the recorded expectation, and look for revisions. Avoid making a comparison between an annual figure on one page and a monthly figure on another.
  • After releaseRecord the information separately from the price response. Also note the executable spread and any differences between intended and executed prices if you traded. A market move and an execution result answer different questions.
An event log can be simple: release name, publication time, actual, forecast, revised previous, key interpretation, and observations. It is a record for review, not a scoring system for guaranteed trades.

Frequently asked questions

Is the forecast an official promise?

No. It is an estimate associated with the calendar provider's methodology. The official release supplies the economic observation, not a guarantee that it will match a pre-release estimate.

Can I ignore an event marked low impact?

An impact label is not a complete risk assessment. Consider the instrument and positions involved, and remember that unscheduled news will not necessarily appear in a calendar beforehand.

Do I need to trade a major release?

No. Monitoring an event, reviewing the data later or choosing not to add exposure are all possible uses of a calendar. Preparation does not create an obligation to trade.

Use the calendar as a preparation tool

Open the DecodeFX Economic Calendar to review scheduled events, then confirm important details with the original publishing agency. Continue with the Learn Hub to strengthen your understanding of trading costs, leverage and risk.
Risk notice: This article provides general education, not personal investment advice or a recommendation to trade. All numerical scenarios are hypothetical. Economic releases do not guarantee a price direction, and leveraged CFDs can cause rapid losses. Calendar schedules, estimates and data can change.

Sources

[1] MetaQuotes, Economic calendar: example fields and reference periods. Referenced for calendar structure, not for current data or its forecasts.
[2] US Bureau of Labor Statistics, Schedule of selected releases, 2026.
[3] US Bureau of Labor Statistics, CPI frequently asked questions.
[4] US Bureau of Labor Statistics, Seasonal adjustment: questions and answers.
[5] US Bureau of Labor Statistics, Monthly Employment Situation Report: methods and measurement.
[6] Federal Reserve, Meeting calendars and information.