Odds Desk
Read the price on the board
American, decimal, fractional, implied probability, and vig — with static worked examples only. No live books.
Lessons
Work the sequence for the clearest path from price to probability.
- 1 American Odds: Plus and Minus Read US-style moneyline quotes: negative favorites and positive underdogs, using static classroom numbers only. Open
- 2 Decimal Odds: Total Return Factor Understand decimal quotes as a multiplier on stake for total return (stake included), common outside the US. Open
- 3 Fractional Odds: Profit Relative to Stake Read fractions like 5/2 or 10/11 as profit-to-stake ratios used in traditional quotes. Open
- 4 Implied Probability From a Price Translate a quote into an implied win chance, then remember that the book’s margin makes two-sided markets add up to more than 100%. Open
- 5 Vig / Juice: The Built-In Margin Learn why −110/−110 style markets exist and how margin means you must beat more than 50% to profit long-term on even bets. Open
- 6 Parlay Math Basics (Why Legs Multiply Risk) See how parlay prices multiply and why adding legs usually raises the chance of losing the whole ticket. Open