The Tokyo Stock Exchange abbreviated as Tosho or TSE/TYO, is a stock exchange located in Tokyo, Japan. It is the third largest stock exchange in the world by aggregate market capitalization of its listed companies, and the largest in Asia. It had 2,292 listed companies with a combined market capitalization of US$5.67 trillion as of February 2019.
The exchange is owned by the Japan Exchange Group (JPX), a holding company that it also lists (TYO: 8697). JPX was formed from its merger with the Osaka Exchange; the merger process began in July 2012, when said merger was approved by the Japan Fair Trade Commission. JPX itself was launched on January 1, 2013.