Sport guides

Plain explanations of how betting works, from what -110 means to how parlays pay, and how each sport's markets work. The guides carry no picks. Today's picks for every sport are on one page.

See today's picks

Betting basics

  • Betting basics

    What Does -110 Mean in Betting?

    Almost every point spread and game total you see is priced at -110. Here is what the number says, what it costs, and why the book collects a small fee on every bet.

  • Betting basics

    American Odds Explained

    American odds use plus and minus numbers. Once you know what each sign means, you can work out the payout on any bet. Today's picks are on the picks page at /picks.

  • Betting basics

    Decimal and Fractional Odds Explained

    Odds are written three ways around the world, but the bet underneath is the same. Here is how to read decimal and fractional odds and convert them.

  • Betting basics

    Implied Probability in Betting

    Every price carries a percentage inside it. Learning to read that percentage helps you see what a price is asking of you.

  • Betting basics

    What Is the Vig (Juice) in Sports Betting?

    Vig, juice and margin are three names for one thing: the fee a sportsbook builds into its prices. Here is how to spot it and why it matters.

  • Betting basics

    What Is a Unit in Betting?

    A unit is a standard bet size. Bettors use units so results can be compared without tying them to a dollar amount.

  • Betting basics

    Point Spreads Explained for Beginners

    A point spread gives the weaker team a head start so a game becomes a close call. Here is how the numbers work, with real scores to show it.

  • Betting basics

    Moneyline Bets Explained for Beginners

    A moneyline bet is the simplest wager in sports: pick who wins the game. The margin does not matter, only the result.

  • Betting basics

    Over/Under Totals Explained for Beginners

    A total is a single number for both teams combined. You bet whether the real score ends higher or lower than that number.

  • Betting basics

    How Parlays Work, With a Worked Example

    A parlay ties two or more bets, called legs, into a single ticket. The payout is bigger, and so is the risk.

  • Betting basics

    What Is a Push in Betting?

    A push is a tie between the result and the betting line. Nobody wins, nobody loses, and the stake comes back.

  • Betting basics

    What Is a Teaser Bet?

    A teaser is a parlay where you buy extra points on each leg. The lines get easier, and the payout gets smaller.

  • Betting basics

    Line Movement Explained: Why Betting Lines Change

    A betting line is not fixed. It can change many times between the day it opens and the moment the game starts. Here is why that happens and what it does and does not tell you.

  • Betting basics

    Favorites vs Underdogs in Sports Betting

    Every game has a team the market expects to win and a team it expects to lose. The price tells you how strongly, and it also tells you how often a bet must win to break even.

  • Betting basics

    Alternate Lines Explained: Alt Spreads and Alt Totals

    The main spread and total are only one version of a bet. Sportsbooks also post other numbers for the same game, each with its own price.

  • Betting basics

    Same Game Parlay Risks Explained

    A same game parlay puts several bets from one game on one ticket. It looks simple and pays well, but the legs are connected, and that changes how the price is built.

  • Betting basics

    Bankroll Management Basics for Beginners

    A bankroll is money you set aside for betting that you can afford to lose. Managing it means deciding in advance how much to risk, so one bad week does not become a bigger problem.

  • Betting basics

    How to Read a Betting Slip, Part by Part

    A bet slip lists everything you are agreeing to before you confirm. Knowing each part helps you catch a wrong number before money is on the line.

By sport

For information and entertainment only. 21+ only. If gambling is a problem, call 1-800-GAMBLER.