Meanings
plural Nikkei indexes
- businessA Japanese stock market index; normally refers to the Nikkei 225, which is calculated by aggregating the share prices of 225 large Japanese companies quoted on the Tokyo Stock Exchange, and thus reflects the performance of major Japanese businesses.
Origin
Borrowed from Japanese 日(にっ)経(けい) (nikkei), an abbreviation of 日(に)本(ほん)経(けい)済(ざい)新(しん)聞(ぶん) (Nihon Keizai Shinbun, literally “Japan Economics Newspaper”), a Japanese newspaper which publishes the index.
Full word history & related roots →Cite this entry
Nikkei index. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Nikkei%20index
“Nikkei index.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Nikkei%20index. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “Nikkei index,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Nikkei%20index.
Source: Nikkei index on Wiktionary, CC BY-SA 4.0.