If a gambler repeatedly plays a game with negative expectation, his payoff over time is a supermartingale.
Source: wiktionary
Supermartingale
Synonyms for "supermartingale"
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With these assumptions, something amazing occurs: Euler inequality (1.3.3) implies that the marginal utility of consumption is a nonnegative supermartingale. [emphasis in original]
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.