History
| Jan. 1, 2013 | Japan Exchange Group, Inc. is established |
| Jul. 16, 2013 | Cash equity market of Osaka Securities Exchange (OSE) is integrated into Tokyo Stock Exchange (TSE) Self-regulatory operations of OSE are integrated into Tokyo Stock Exchange Regulation |
| Jan. 6, 2014 | Began calculation of JPX Nikkei Index 400 |
| Mar. 24, 2014 | TSE derivatives market is integrated into OSE |
| Aug. 1, 2014 | Began allocating LEI (Legal Entity Identifier) as LOU (Local Operation Unit) |
| Nov. 1, 2014 | Opened joint TSE/OSE Hong Kong representative office |
| Apr. 30, 2015 | Established infrastructure fund market |
| May 1, 2015 | Opened joint TSE/OSE Singapore branch office |
| Jun. 1, 2015 | Implemented Japan's Corporate Governance Code and developed related listing rules |
| Sep. 24, 2015 | Renewed arrowhead cash market trading system |
| Nov. 11, 2019 | Upgraded arrowhead cash market trading system |
| Apr. 4, 2022 | Implemented new market segments: "Prime Market", "Standard Market", and "Growth Market" |
| Oct. 11, 2023 | Opened the carbon credit market and began trading |
| Jan. 1, 2024 | Began using letters in newly created securities codes |