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# Gambling martingale

The Martingale system is primarily used at casino games which offer even money bets. The outside bets on the roulette table, such as odd or even, are good examples of where players will try this system. The Martingale betting system has some advantages, such as ease of play, but, like all house-edge betting systems, is rejected as a long-term money winner. No, you won't win in the long run with the martingale system at any game. There are a couple reasons why: 1. The casino has the advantage, so it's not a zero-sum game.

## The Martingale System

October Learn how and when to remove this template message. The problem with the cancellation system should become apparent. That can be very nerve racking, but don't worry, the Martingale system always pays back, as soon as you hit a win, and on every win it will pay you back all the previous losses, plus a profit, equal to your initial bet. In fact, the Martingale system is probably the oldest betting system ever devised to beat the casinos. The Anti-Martingale is also known as the Reverse Martingale, and it basically turns the system around. The impossibility of winning over the long run, given a limit of the size of bets or a limit in the size of one's bankroll or line of credit, is proven by the optional stopping theorem.

•   All casinos are built on the principle of the most tangled labyrinths. In the gaming halls there are no direct passages. Because the longer a person walks along the aisles, the more likely that he will play in the meeting slot machines and gambling.
•  The annual profit from the gaming industry in the US is 18 billion dollars.

## Martingale (betting system)

In probability theory , a martingale is a sequence of random variables i. Originally, martingale referred to a class of betting strategies that was popular in 18th-century France. The strategy had the gambler double his bet after every loss so that the first win would recover all previous losses plus win a profit equal to the original stake. As the gambler's wealth and available time jointly approach infinity, his probability of eventually flipping heads approaches 1, which makes the martingale betting strategy seem like a sure thing.

However, the exponential growth of the bets eventually bankrupts its users due to finite bankrolls. Stopped Brownian motion , which is a martingale process, can be used to model the trajectory of such games. The term "martingale" was introduced later by Ville , who also extended the definition to continuous martingales. Much of the original development of the theory was done by Joseph Leo Doob among others. Part of the motivation for that work was to show the impossibility of successful betting strategies.

A basic definition of a discrete-time martingale is a discrete-time stochastic process i. That is, the conditional expected value of the next observation, given all the past observations, is equal to the most recent observation. Similarly, a continuous-time martingale with respect to the stochastic process X t is a stochastic process Y t such that for all t. In full generality, a stochastic process Y: It is important to note that the property of being a martingale involves both the filtration and the probability measure with respect to which the expectations are taken.

These definitions reflect a relationship between martingale theory and potential theory , which is the study of harmonic functions. Given a Brownian motion process W t and a harmonic function f , the resulting process f W t is also a martingale.

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### Details

A martingale is any of 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 his stake if a coin comes up heads and loses it if the coin comes up tails.

The strategy had the gambler double his bet after every loss, so that the first win would recover all previous losses plus win a profit equal to the original stake. Since a gambler with infinite wealth will, almost surely , eventually flip heads, the martingale betting strategy was seen as a sure thing by those who advocated it.

None of the gamblers possessed infinite wealth, and the exponential growth of the bets would eventually bankrupt "unlucky" gamblers who chose to use the martingale. The gambler usually wins a small net reward, thus appearing to have a sound strategy. However, the gambler's expected value does indeed remain zero or less than zero because the small probability that he will suffer a catastrophic loss exactly balances with his expected gain.

In a casino, the expected value is negative , due to the house's edge. The likelihood of catastrophic loss may not even be very small. The bet size rises exponentially. This, combined with the fact that strings of consecutive losses actually occur more often than common intuition suggests, can bankrupt a gambler quickly.

The fundamental reason why all martingale-type betting systems fail is that no amount of information about the results of past bets can be used to predict the results of a future bet with accuracy better than chance. In mathematical terminology, this corresponds to the assumption that the win-loss outcomes of each bet are independent and identically distributed random variables , an assumption which is valid in many realistic situations.

## Islam gambling haram

A large number of good Muslims are also caught in the web, not realising that they are gambling and that the earnings from the gambling are haraam. The following is a translation of a scholarly article by the late Mufti Muhammad Shafi rahmatullahi alaihe which is being published to make Muslims aware of the different forms of transactions and other items which are classified in Shar'iah as gambling.

For instance, if two people compete in a race with the following conditions, that if you surpass me, then I will give you a thousand pounds and if I surpass you then you will have to give me a thousand pounds. Or if someone says, 'If it rains today you will have to give me a thousand pounds and if it does not rain then I will give you a thousand pounds.

## Video

### Free Roulette

The thrill of watching the spinning red and black Roulette wheel has long served to grip many avid gamblers around the g...