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  2. Parimutuel betting - Wikipedia

    en.wikipedia.org/wiki/Parimutuel_betting

    The betting pool is split into three separate pools for all combinations of seven (40%), six (20%) and five (40%) correctly picked winners. This is the largest nationwide betting game in Sweden, running each Saturday with weekly pools of about 80 MSEK ($11 million). V86: The bettor must pick the winners of eight nominated races at the same track.

  3. Sports betting odds explained: How they work and how to ... - AOL

    www.aol.com/news/sports-betting-odds-explained...

    A quick rundown of how UK bookmakers’ odds work, as well as how to read them and how to use them when placing bets

  4. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    In gambling parlance, making a book is the practice of laying bets on the various possible outcomes of a single event. The phrase originates from the practice of recording such wagers in a hard-bound ledger (the 'book') and gives the English language the term bookmaker for the person laying the bets and thus 'making the book'.

  5. Kelly criterion - Wikipedia

    en.wikipedia.org/wiki/Kelly_criterion

    Example of the optimal Kelly betting fraction, versus expected return of other fractional bets. In probability theory, the Kelly criterion (or Kelly strategy or Kelly bet) is a formula for sizing a sequence of bets by maximizing the long-term expected value of the logarithm of wealth, which is equivalent to maximizing the long-term expected geometric growth rate.

  6. Spread betting - Wikipedia

    en.wikipedia.org/wiki/Spread_betting

    Spread betting was invented by Charles K. McNeil, a mathematics teacher from Connecticut who became a bookmaker in Chicago in the 1940s. [5] In North America, the gambler usually wagers that the difference between the scores of two teams will be less than or greater than the value specified by the bookmaker, with even money for either option.

  7. Martingale (betting system) - Wikipedia

    en.wikipedia.org/wiki/Martingale_(betting_system)

    Even if the gambler can tolerate betting ~1,000 times their original bet, a streak of 10 losses in a row has an ~11% chance of occurring in a string of 200 plays. Such a loss streak would likely wipe out the bettor, as 10 consecutive losses using the martingale strategy means a loss of 1,023x the original bet.

  8. Each-way - Wikipedia

    en.wikipedia.org/wiki/Each-way

    An each-way bet is a wager offered by bookmakers consisting of two separate bets: a win bet and a place bet. [1] For the win part of the bet to give a return, the selection must win, or finish first, in the event.

  9. Double or nothing - Wikipedia

    en.wikipedia.org/wiki/Double_or_nothing

    Martingale (betting system) – Gambling strategy where the amount is raised until a person wins or becomes insolvent St. Petersburg paradox – Paradox involving a game with repeated coin flipping Sunk cost fallacy – Cost that has already been incurred and cannot be recovered Pages displaying short descriptions of redirect targets