Martingale
Jerin ƙarin caca da ke ninka caca bayan kowace asara. Ku duba sashen “Dabarun caca na roulette” don ganin abin da yake yi da wanda ba ya yi.
A cikin mahallin amfani
Ƙananan nasarori akai-akai, manyan asarori jefi-jefi. Asarar da ake tsammanilissafiAsarar da ake tsammaniƘimar da ake tsammani sau jimillar kuɗin da aka yi caca da su; matsakaicin adadin da ake rasawa a cikin zaman wasa ko wani lokaci.Karanta gaba ɗaya → a kan kowace dala da aka yi caca da ita har yanzu 2.70% ce, kuma jerin ƙarin cacadabaraJerin ƙarin cacaDuk wata ƙa'ida da ke canza kuɗin caca bisa sakamakon da ya gabata. Jerin ƙarin caca bayan asara yana ɗaga shi bayan an rasa, na bayan nasara kuma bayan an ci.Karanta gaba ɗaya → ɗin yana yin caca da kuɗi mai yawa.
Sunan ya fito ne daga kalmar titi ta yaren Provence a ƙarni na 18; “martingale” kuma madauri ne da ke hana doki jefa kansa baya, kuma babu wanda ya tabbata wace ma'ana ce ta fara zuwa.