🌐EnglishEnglishDeutschEspañolFrançaisPortuguês한국어中文EntityQ7268374· pop 7· linked from 212 articlesquadratic variationquantity defined for a stochastic process; its finiteness ensures that stochastic calculus works properlyAvailable in 7 languagesEspañolFrançaisDeutsch中文Português한국어via Wikidata sitelinks · CC0ConnectionsmartingaleEntityMarkov chainEntityCategoriesStochastic processes