What is anti-martingale in investing?

  • This refers to a betting strategy where a gambler increases or decreases the size of his bet depending on whether he won or lost his previous bet.
  • After winning a bet, the gambler doubles the size of his next bet, but after suffering a loss, he halves the size of his next bet.
  • It is believed that the anti-martingale strategy can help maximise the size of gains when a player is performing well in a game of chance, while minimising losses when the same player is faring quite poorly.
  • It has been used by many successful traders to make decisions regarding how much money to bet on a particular trading position.


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