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The Kelly criterion maximizes the expected value of the logarithm of wealth (the expectation value of a function is given by the sum, over all possible outcomes, of the probability of each particular outcome multiplied by the value of the function in the event of that outcome). We start with 1 unit of wealth and bet a fraction of that wealth on ...
Martingale (probability theory) In probability theory, a martingale is a sequence of random variables (i.e., a stochastic process) for which, at a particular time, the conditional expectation of the next value in the sequence is equal to the present value, regardless of all prior values. Stopped Brownian motion is an example of a martingale.
Martingale (betting system) A martingale is a class of betting strategies that originated from and were popular in 18th-century France. The simplest of these strategies was designed for a game in which the gambler wins the stake if a coin comes up heads and loses if it comes up tails. The strategy had the gambler double the bet after every loss ...
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 range of outcomes and the bet is whether the outcome will be ...
act. To make a play (check, bet, call, raise, or fold) at the required time, compare to in turn. acting out of turn. A player in poker that either announces their actions or physically plays before their turn (checks, folds etc.). Sometimes players act out of turn intentionally to get a read out of other players.
Alternate win totals are a great way for bettors to grab more value by targeting numbers at plus odds.
Good value picks Wyndam Clark (28-1): The reigning US Open Champion has had an up-and-down start to the 2023 season, placing outside the top 25 five times but finishing T-2 or better three times ...
Roulette (named after the French word meaning "little wheel") is a casino game which was likely developed from the Italian game Biribi. In the game, a player may choose to place a bet on a single number, various groupings of numbers, the color red or black, whether the number is odd or even, or if the number is high or low.