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Chalkboard lesson · Betting Basics

What is an oddsmaker in sports betting?

The short answer

The person or desk that sets the first number on a game.

Betting basics guide

Knowing the language is step one — knowing the true price is the edge. The Cold Line’s signal desk tracks the no-vig fair number and the closing-line value behind terms like this, before the market moves.

In plain English

Someone has to hang the opener. That is the oddsmaker — also called a linemaker.

What to remember about Oddsmaker

The definition

The person or desk that sets the first number on a game.

In plain English

Someone has to hang the opener. That is the oddsmaker — also called a linemaker.

Example in context

The oddsmaker opens Chiefs -6.5 on Sunday. By kickoff the market may be -8.

Check yourself

Term quiz

Check yourself: Oddsmaker

0/3 answered

1.An oddsmaker is…

2.The oddsmaker opens Chiefs -6.5 on Sunday. By kickoff the market may be -8. What does that mean?

3.Why is the opening number not "the true line"?

Keep learning

Explore the next question before you place a bet.

Put the concept to work

Explore Oddsmaker with a concrete research workflow. Build your own number, compare sportsbook prices with a sharp reference, or use Audits to review timestamped book moves beside play-by-play.

Browse the full A–Z betting glossary or read the complete betting guide. The Cold Line also publishes a free year-round sports calendar and an odds board (Free account: delayed odds).