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The Cold Line

The Cold Line© 2026 — THE NUMBER BEFORE THE NUMBER.

Sports betting analytics across live odds, stale-line detection, PLATE READ, NextDown, and long-form research for NFL, NBA, MLB, NHL, college sports, soccer, and the 2026 FIFA World Cup market.

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The Cold Line is an independent sports analytics and information service, not affiliated with, endorsed by, or sponsored by the NFL, NBA, MLB, NHL, NCAA, WNBA, MLS, FIFA, or any league, team, or governing body. All team and league names, logos, and marks are the property of their respective owners and are used for identification and editorial purposes only.

The Cold Line
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Betting Terms
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Book / Sportsbook

Betting Basics

Book / Sportsbook

What Book / Sportsbook means in sports betting — explained in plain English.

Definition

The company or establishment that accepts bets.

In plain English

The place where you make your bets - like DraftKings, FanDuel, or a casino.

Related Betting Basics terms

Action
Bankroll
Handle
Sharp
Square
Ticket
Unit

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 live odds board — no signup required.