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Odds and Probability

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    What Is Dutching? Spreading One Stake Across Several OutcomesBacking three runners in one race so that any of them pays the same is called dutching. The arithmetic is tidy, the cost is easy to overlook, and the margin still applies to every slice.
    Odds and Probability 4 min 4
  2. 021
    Gambler's Ruin and the Law of Large Numbers, ExplainedTwo ideas from probability explain why casinos are steady businesses and why long sessions drain players. Neither needs a formula to understand.
    Odds and Probability 4 min 8
  3. 020
    Handle and Hold: How a Sportsbook's Takings Are MeasuredTwo words appear in almost every report on sports betting: handle and hold. One counts the money bet, the other the money kept. Here is how they relate and what they reveal about the cost of betting.
    Odds and Probability 4 min 12
  4. 019
    The Favourite-Longshot Bias: Why Long Odds Often Cost MoreBig prices are tempting, yet in many betting markets they carry a heavier hidden charge than short ones. This is the favourite-longshot bias, and it reshapes how the cost of a bet should be read.
    Odds and Probability 4 min 16
  5. 018
    What Is Closing Line Value? Judging a Bet by the Final PriceThe closing line is the market's final word before a game starts. Comparing your price with it is called closing line value. Here is how the comparison works and why it is no promise of profit.
    Odds and Probability 4 min 20