Japan Exchange Group, Inc. operates as a financial instruments exchange holding company in Japan. The company engages in the operation of financial instruments exchange markets for trading listed securities and derivatives instruments to market users; publication of stock prices and quotations; provides market facilities for trading of commodity derivatives, physical commodities, and commodity index futures; self-regulatory operations, such as listing examination, listed company compliance, market surveillance, and inspections and examinations of trading participants. The company also provides clearing and settlement, and market-related services for transactions through proprietary trading systems (PTS), over-the-counter derivative transactions, and over-the-counter government bond transactions. The company was incorporated in 1949 and is headquartered in Tokyo, Japan.