Back Random-Walk-Theorie German Teoría del paseo aleatorio Spanish فرضیه گام تصادفی Persian ランダム・ウォーク理論 Japanese 랜덤워크 가설 Korean Hipoteza błądzenia losowego Polish Random walk hypothesis SIMPLE Гіпотеза випадкового блукання Ukrainian 隨機漫步假說 Chinese 隨機漫步假說 ZH-YUE
The random walk hypothesis is a financial theory stating that stock market prices evolve according to a random walk (so price changes are random) and thus cannot be predicted.