What is a book / sportsbook in sports betting?
The short answer
The company or establishment that accepts bets.
Watch the lesson
Play the Book / Sportsbook videoBetting 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
The place where you make your bets - like DraftKings, FanDuel, or a casino.
What to remember about Book / Sportsbook
The definition
The company or establishment that accepts bets.
In plain English
The place where you make your bets - like DraftKings, FanDuel, or a casino.
Example in context
Which book are you on? Mine still has it at minus six and a half.
Check yourself
Term quiz
Check yourself: Book
1.A book is…
2.Why does the same game often carry different numbers at different books?
3.How does a book aim to make money?
Keep learning
Explore the next question before you place a bet.
Put the concept to work
Explore Book / Sportsbook 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).