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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.
Oscar's Grind is a betting strategy used by gamblers on wagers where the outcome is evenly distributed between two results of equal value (like flipping a coin). It is an archetypal positive progression strategy. It is also called Hoyle's Press. In German and French, it is often referred to as the Pluscoup Progression.
A betting strategy (also known as betting system) is a structured approach to gambling, in the attempt to produce a profit.To be successful, the system must change the house edge into a player advantage — which is impossible for pure games of probability with fixed odds, akin to a perpetual motion machine. [1]
Kelly betting or proportional betting is an application of information theory to investing and gambling. Its discoverer was John Larry Kelly, Jr. Part of Kelly's insight was to have the gambler maximize the expectation of the logarithm of his capital, rather than the expected profit from each bet. This is important, since in the latter case ...
If the gambler can bet arbitrarily small amounts at arbitrarily long odds (but still with the same expected loss of 10/19 of the stake at each bet), and can only place one bet at each spin, then there are strategies with above 98% chance of attaining his goal, and these use very timid play unless the gambler is close to losing all his capital ...
Due-column wagering is considered a fixed-profit system because the due-column bettor determines the desired profit before betting begins. However, whereas with percentage-based money-management systems the bettor varies their bets as a percentage of their bankroll, with a series of due-column bets they bet the amount necessary to make their desired profit plus the total amount necessary to ...
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Originally, martingale referred to a class of betting strategies that was popular in 18th-century France. [1] [2] The simplest of these strategies was designed for a game in which the gambler wins their stake if a coin comes up heads and loses it if the coin comes up tails. The strategy had the gambler double their bet after every loss so that ...
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