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  2. Spread betting - Wikipedia

    en.wikipedia.org/wiki/Spread_betting

    Spread betting is any of various types of wagering on the outcome of an event where the pay-off is based on the accuracy of the wager, rather than a simple "win or lose" outcome, such as fixed-odds (or money-line) betting or parimutuel betting. A point spread is a

  3. Odds - Wikipedia

    en.wikipedia.org/wiki/Odds

    Decimal odds are favoured by betting exchanges because they are the easiest to work with for trading, as they reflect the inverse of the probability of an outcome. [13] For example, a quoted odds of 5.00 equals to a probability of 1 / 5.00, that is 0.20 or 20%. Decimal odds are also known as European odds, digital odds or continental odds. [9]

  4. Sports betting - Wikipedia

    en.wikipedia.org/wiki/Sports_betting

    The line read: Miami −3.5, Oklahoma City +3.5. [2] To determine who wins against the spread, the line is either added or subtracted from a team's final score. In the above example, if the bettor chose Miami, for him to win his bet, Miami would have to win the game by 4 points or more.

  5. Asian handicap - Wikipedia

    en.wikipedia.org/wiki/Asian_handicap

    Since the odds are as close to 50% as possible, bookmakers offer payouts close to even money, or 1.90 to 2.00. Asian handicaps start at a quarter-goal and can go as high as 2.5 or 3 goals in matches with a huge disparity in ability. What makes Asian handicaps most interesting is the use of quarter goals to get the "line" as close as possible.

  6. Poker probability - Wikipedia

    en.wikipedia.org/wiki/Poker_probability

    In statistics, this is called odds against. For instance, with a royal flush, there are 4 ways to draw one, and 2,598,956 ways to draw something else, so the odds against drawing a royal flush are 2,598,956 : 4, or 649,739 : 1. The formula for establishing the odds can also be stated as (1/p) - 1 : 1, where p is the aforementioned probability.

  7. Spread (projective geometry) - Wikipedia

    en.wikipedia.org/wiki/Spread_(projective_geometry)

    As with spreads, the most well-studied case is partial spreads of lines of the finite projective space (,), where a full spread has size +. Mesner [ 29 ] showed that any partial spread of lines in P G ( 3 , q ) {\displaystyle PG(3,q)} with size greater than q 2 − q {\displaystyle q^{2}-{\sqrt {q}}} cannot be complete; indeed, it must be a ...

  8. Fixed-odds betting - Wikipedia

    en.wikipedia.org/wiki/Fixed-odds_betting

    Fixed-odds betting is a form of gambling where individuals place bets on the outcome of an event, such as sports matches or horse races, at predetermined odds. In fixed-odds betting, the odds are fixed and determined at the time of placing the bet. These odds reflect the likelihood of a particular outcome occurring.

  9. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    It is important to understand the relationship between fractional and decimal odds. Fractional odds are written a − b (a/b or a to b), meaning a winning bettor will receive their money back plus a units for every b units they bet. Decimal odds are a single value, greater than 1, representing the amount to be paid out for each unit bet.