09 From zero · Traditional markets · United States

The monthly numbers

Jobs, unemployment and GDP come out on set dates, and everyone knows when. That is why they move the price of everything in seconds — and why the two traps almost nobody knows are worth learning.

Fêr UlianovOpening · 13 s · in Portuguese

The sentence
The economy added 145,000 jobs in January, and December was revised down; unemployment fell to 4.1%, annualised GDP came in at 2.3% — and stocks rose on the bad news.

Blurred on purpose. Its ending looks like a mistake. It is lesson 05 returning.

The calendar

Numbers with an appointment

These numbers do not leak or turn up by surprise: the date and time are published a year ahead, and the data reaches everyone in the same second. It is that synchrony that makes prices move so fast — not the number itself, but thousands of people learning the same thing at once.

Three land with more weight than the rest, and they are this lesson's.

Jobs

Once a month

How many jobs were added, and the unemployment rate. They come out together, in the same report — and from two different surveys.

GDP

Once a quarter

The size of the economy. Published three times for the same quarter: an initial estimate and two revisions.

Inflation

Once a month

The CPI from lesson 06. Usually the most awaited of the three, because it weighs most on the rate decision.

The calendar is public, which is why expectation exists at all. As lesson 05 showed, the price already contains what the market expects — what moves it is the gap.
Trap 1

Two surveys, two numbers, and they can disagree

The jobs number and the unemployment rate come out on the same day, in the same document, and the reader assumes they are two ways of saying the same thing. They are not. They come from two separate surveys: one asks businesses how many people are on the payroll; the other asks households who is working and who is looking.

And here is the definition that changes everything. To be counted as unemployed it is not enough to have no job: you must be looking — have done something concrete in the previous four weeks, and be available to work. Anyone who gave up looking leaves the sum entirely.

The consequence is counter-intuitive and happens constantly: unemployment can fall because people stopped looking, and can rise precisely because people started looking again. Look at the three cases.

Before After
Jobs added
Labour force
Unemployed
Unemployment rate

The same ten thousand jobs produce opposite unemployment rates, depending on what happened to the people looking. Which is why the rate alone says little: you also have to look at how many joined or left the queue. Illustrative, round figures.
Trap 2

American GDP is annualised

When a story says U.S. GDP grew 2.3% in the quarter, it is not saying the economy grew 2.3% over those three months. It is saying what would happen over a year if that quarter repeated four times. It is the same sum as lesson 06's monthly figure, applied to quarters.

It is official convention: American quarterly figures are published at an annual rate unless stated otherwise. Many other countries publish the raw quarterly number — so the same growth looks far bigger in the United States, and comparing the two without converting compares different things.

Growth in the quarter
As the story reports it (annualised)
Drag it and watch the gap between the two. A small quarterly number becomes a respectable headline number, without anything having grown beyond the quarter.
And the revisions

A quarter's GDP comes out three times: an initial estimate, made with incomplete data, then two corrected versions. The headline is almost always the first. The revision lands weeks later, changes the number, and rarely becomes news — which is why the previous month's figure, in the sentence at the top, shows up “revised down” as a detail in the middle of a clause.

The paradox

Good news, market falling

The end of the sentence still needs explaining. Very strong employment is good news for someone looking for work — and can be bad news for the stock market, because a hot economy usually means higher rates for longer. And higher rates, by lesson 05, shrink every future profit today.

It works in reverse too, which is what the sentence at the top describes: a weaker-than-expected jobs number can lift the market, because it brings a rate cut closer. The market is not rooting against people — it is pricing something else. Two different questions about the same figure.

The proof

Now read the sentence

It's the same one from the top, unblurred. Tap each highlighted part.

The economy added in January, and December was ; to 4.1%, came in at 2.3% — and .
Start here

Five pieces

Each highlighted part hides an idea. Tap one of them.

Five taps and the sentence is done.

You can already answer these

If this landed, the lesson did what it promised

  • Jobs and unemployment come from two different surveys and can disagree.
  • Only people who are looking count as unemployed — giving up removes you from the sum.
  • American quarterly GDP is published at an annual rate.
  • The first number is an estimate; the revision lands later and barely makes news.

Fêr UlianovClosing · 26 s · in Portuguese

Educational material. The employment scenarios and every figure in the charts are illustrative and round, so the arithmetic stays visible — none is published data, and the sentence at the top is an anatomy, not a news story. What is structural, such as the definitions of the two surveys and the annualisation convention, comes from official sources. It is not a recommendation to buy or sell.