martingale

martingale

See also: Martingale

English

Alternative forms

• martingal

Etymology

Middle French martingale, from Occitan martegalo, feminine form of martegal, an inhabitant of Martigues, which is from Latin maritima. Alternatively from Spanish almártaga.

Noun

martingale (plural martingales)

1. A piece of harness used on a horse to keep it from raising its head above a desired point.
2. (nautical) A spar, or piece of rigging that strengthens the bowsprit.
3. (mathematics) A stochastic process for which the conditional expectation of future values given the sequence of all prior values is equal to the current value.

   If a gambler plays a fair game repeatedly, his payoff over time is a martingale.

4. A gambling strategy in which one doubles the stake after each loss.
5. (fencing) A strap attached to the sword handle, preventing a sword being dropped if disarmed.

Synonyms

• (piece of harness): tie-down

Derived terms

• anti-martingale
• submartingale
• supermartingale

Translations

piece of harness

Catalan: martingala (ca) f Chinese: Mandarin: please add this translation if you can Czech: martingal m Esperanto: please add this translation if you can Finnish: martingaali French: martingale (fr) f German: Martingal n Irish: iall bhrád f Japanese: 鞅 (ja) (むながい, munagai) Maori: mātinikera, mātini Norwegian: Bokmål: martingal m Nynorsk: martingal m Polish: wytok m Portuguese: gamarra f Russian: мартинга́л (ru) m (martingál) Spanish: gamarra f

bowsprit strengthening

Catalan: martingala (ca) f Finnish: vesiharus French: martingale (fr) f

a stochastic process relating random variables to earlier values

Catalan: martingala (ca) f French: martingale (fr) f

a gambling strategy in which one doubles the stake after each loss

French: martingale (fr) f

a strap attached to the sword handle, preventing a sword being dropped if disarmed

Verb

martingale (third-person singular simple present martingales, present participle martingaling, simple past and past participle martingaled)

1. To employ the martingale strategy in gambling.

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French

Noun

martingale f (plural martingales)

1. martingale

Further reading

• “martingale”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

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Italian

Noun

martingale f

1. plural of martingala

Anagrams

• lagrimante, matrignale