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martingale
(redirected from Submartingale)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
mar·tin·gale  (märtn-gl) also mar·tin·gal (-gl)
n.
1. The strap of a horse's harness that connects the girth to the noseband and is designed to prevent the horse from throwing back its head.
2. Nautical Any of several parts of standing rigging strengthening the bowsprit and jib boom against the force of the head stays.
3. Games A method of gambling in which one doubles the stakes after each loss.
4. A loose half belt or strap placed on the back of a garment, such as a coat or jacket.

[French, perhaps alteration of Spanish almártaga, almártiga, rein, harness, perhaps of Arabic origin.]

martingale [ˈmɑːtɪnˌgeɪl]
n
1. (Individual Sports & Recreations / Horse Training, Riding & Manège) a strap from the reins to the girth of a horse preventing it from carrying its head too high
2. (Group Games / Gambling, except Cards) any gambling system in which the stakes are raised, usually doubled, after each loss
3. (Transport / Nautical Terms) Also called martingale boom 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
[from French, of uncertain origin]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.martingale - a harness strap that connects the nose piece to the girthmartingale - a harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head
harness - stable gear consisting of an arrangement of leather straps fitted to a draft animal so that it can be attached to and pull a cart
saddlery, stable gear, tack - gear for a horse
2.martingale - spar under the bowsprit of a sailboatmartingale - spar under the bowsprit of a sailboat
spar - a stout rounded pole of wood or metal used to support rigging
Translations
martingale
n (Horseriding) → Martingal nt


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n [greater than or equal to] N] is a non-negative submartingale.
While several adaptations of the Random Walk EMH have been postulated with the corresponding variants of the normal distribution and martingale and submartingale approaches being used to model stock prices or returns, the variance continues to be the cardinal measure of risk, as defined by the volatility of stock prices.
 
 
 
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