The three figures answer different questions

Economic calendars often display Previous, Forecast and Actual side by side. They should not be treated as three numbers that are meaningful only because one is larger than another.

Previous provides the latest historical reference point. Forecast generally represents the market consensus before the release. Actual is the officially reported result for the current period.

When all three are available, a practical sequence is to compare Actual with Forecast first, then compare Actual with Previous, and finally check whether the previous figure was revised.

Why is Actual versus Forecast usually the first comparison?

Before an economic report is published, economists and investors have normally formed expectations using other available information. Asset prices may already reflect part of that consensus.

If a report is expected at 3.0% and comes in at exactly 3.0%, the release may add relatively little new information. If it prints at 3.5%, however, the market must process a result that differs materially from what had been expected.

The gap between Actual and Forecast is commonly described as the economic surprise. High-impact events are particularly important because large surprises can force rapid repricing. See How Can You Identify High-Impact Events on an Economic Calendar?.

Why does the Previous figure still matter?

The previous value provides trend context. It shows whether the latest result is stronger, weaker or broadly unchanged compared with the prior period.

Suppose Previous is 4.0%, Forecast is 3.6% and Actual is 3.8%. The result is above forecast, but it is also below the previous 4.0% reading.

“Above expectations” and “lower than last time” can therefore both be true. One describes the surprise relative to market expectations; the other describes the direction of the underlying data.

Who determines the Forecast figure?

The forecast shown on an economic calendar is generally not an advance number supplied by the statistical agency. It is usually a consensus estimate compiled from economists, institutions or other forecasting sources.

Different calendar providers may use different survey samples or cutoff times, so small differences in consensus forecasts can appear across platforms.

The forecast should therefore be viewed as a market benchmark rather than an official target that the economy is expected to achieve.

Expectations can change before the release

Market expectations evolve as earlier employment, inflation, spending and survey data arrive. A strong prior release can reset the starting point from which investors interpret the next report.

The next release may then confirm or reject that newly formed narrative, creating a larger market reaction. For more on this chain of expectations, see Why Can a Strong Previous Data Release Make the Next One More Volatile for Gold?.

Why can the Previous figure change?

Some economic statistics are initially published using incomplete source information. As additional survey responses or source data become available, statistical agencies can revise earlier estimates.

The Previous figure shown on the calendar may therefore be a revised value rather than the exact number traders saw at the original release.

A large revision can change the comparison base for the new data and even alter the market's interpretation of the prior economic trend. See Why Can Economic Data Revisions Matter More Than the First Release?.

Higher than forecast does not mean the same thing for every indicator

The meaning of a surprise depends on the indicator. Payroll growth above forecast and unemployment above forecast are both cases where Actual is numerically higher, but their economic implications are clearly different.

Likewise, higher-than-expected CPI can reinforce inflation concerns, while higher-than-expected jobless claims can suggest more labour-market stress.

The indicator's definition therefore comes first; the forecast comparison comes second. For more on preparing for surprise releases, see Economic Calendar Event Alerts: How Precious Metals Markets Respond to Surprise Data.

A practical reading order

A useful sequence is: first understand what the indicator measures and what a higher number means; second compare Actual with Forecast; third compare Actual with Previous; fourth check whether Previous was revised.

Forecast tells you what the market expected before the release, Actual tells you what new information just arrived, and Previous gives the prior-period context. Reading all three together is much more useful than treating any one number as a complete market signal.