martingale


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Related to martingale: Martingale system

martingale

1. a strap from the reins to the girth of a horse preventing it from carrying its head too high
2. any gambling system in which the stakes are raised, usually doubled, after each loss
3. Nautical
a. a chain or cable running from a jib boom to the dolphin striker, serving to counteract strain
b. another term for dolphin striker

martingale

[′märt·ən‚gāl]
(statistics)
A sequence of random variables x1, x2, …, where the conditional expected value of xn + 1given x1, x2, …, xn , equals xn .
References in periodicals archive ?
DELTA],C](t) be the wealth process of a portfolio [DELTA] and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is a locally integrable Martingale.
However, betting the same in a martingale then any profit or loss is entirely dependent on where the winners come in the sequence.
p] boundedness of the martingale in the discrete case for real z [member of] [V.
2][0, T]) is a martingale, then the process given by
The shape, color and design of the beaded horse mask, with matching martingale with beaded and fringed reigns with matching beaded saddle bag on the horse's rump is incredible.
Long-term supply teachers, who come in to teach their own subject and have time to build up a relationship with their classes, rarely have the sort of problems described by Moira Martingale.
We are delighted to have Joe Martingale join our board of directors.
This calculus exhibits a number of novel features, and McKean finds many in his coverage of Brownian motion, including the issue of Martingale inequality and the law of the iterated logarithm, stochastic integrals and differentials, including Wiener's and Ito's definitions of the stochastic integral, time substitution, and stochastic integrals and differentials for several-dimensional Brownian motion, stochastic integral equations in which d=1, including Lampertoi's methods and Feller's test for explosions, and when d is greater than or equal to 2, including Weyl's Lemma and Brownian motions in a Lie group.
WASHINGTON -- Empowering employees to take charge of their health care decisions is a critical step in controlling escalating benefits costs and creating a market-driven healthcare system, according to Joseph Martingale, Watson Wyatt's national leader for health care strategy.
Sir, - My wife and I wish to express our sorrow and concern over the mental condition of Moira Martingale as shown in her comments on the recent Royal wedding (Post, June 23).
The Easy Walk Harness by Premier Pet Products is a unique front-chest, martingale leash attachment that stops pulling by immediately redirecting your dog's forward motion toward you.