fck the vig.
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Biggest price gaps right now

Same bet, same line, different books: how much more you'd win at the best one. Tap to add it to your parlay.

How much each one keeps

Average vig (hold) on upcoming game lines. Lower means more of your money comes back. Prediction-market numbers are before their trading fees.

    Step 1 · pick your legs

    Build

    Step 2 · compare

    Your parlay

      No legs yet. Here's how it works:

      1. Pick your legs. Tap a price gap, spread, moneyline, total or player prop.
      2. We price every book. Each sportsbook and prediction market legal in your state.
      3. Bet the best one. Same bet, more money back.

      Futures, awards, stat leaders and win totals

      Season-long bets

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      Sports Book Arbitrage

      Spots where the books disagree enough that you can lock in a profit, or get a better price than the market says is fair.

      Saved on this device

      My bets

      Game lines and player props are graded automatically from final box scores. Anything we can't confirm is marked Needs review so you can settle it yourself. Futures settle by hand at season end.

      Are you 21 or older?

      fck the vig compares sports betting odds. It's only for adults 21 and older (18+ on some prediction markets). We don't take bets; you place them with the sportsbook.

      Gambling problem? Call 1-800-GAMBLER.

      Where are you betting from?

      We'll only show sportsbooks and prediction markets that operate in your state.

      Good to know

      What this site can and can't show you yet. The book's app always has the final price.

      Where each platform is legal or blocked

      Privacy

      Without an account, your state and My books stay in this browser. Nothing is sent to us. Saving bets needs a free account.

      With an account, we store your username, your email, a salted hash of your password (never the password itself) and the bets you save, so they sync across your devices. Your email is only used to send password reset links and alerts you turn on. We don't send marketing, and we don't sell or share anything. We count how many bets you save each day for the free plan's limit.

      If you go Unlimited, Stripe handles the payment. Your card details go to Stripe, never to us. We keep the Stripe customer and subscription IDs, the plan's status and when it renews. If you used a code, we keep which code you used.

      For line-move alerts, we store what each alert is watching and, if you turn on push, a push address for each device you allow. It only works for sending you notifications. Turning push off or signing out removes it.

      My books is the list of books you picked. It stays in this browser, and in your account if you're signed in. We never connect to or see your sportsbook accounts.

      Shared links only contain the bets in the parlay, nothing about you.

      To grade bets, your browser loads public final scores from ESPN. Odds come from The Odds API and Kalshi.

      You can delete your account and everything in it any time from My bets.

      Share this bet

      Texts show this picture. Anyone who opens the link sees the same legs priced at every book legal in their own state.