Disciplinary Actions
OSE requires trading participants to comply with laws and regulations, and impose a penalty such as fine on trading participants that violated the laws and regulations.
| Date | Trading Participant | Violation | Disciplinary Action | (reference) Regulatory Action | Details |
|---|---|---|---|---|---|
| Jun. 20, 2025 | Tachibana Securities Co., Ltd. | (1) Providing a customer with false information in connection with the conclusion of a financial instruments transaction contract or in connection with the solicitation thereof, (2) An act to make a false representation or a representation that will likely give a false impression on important matters regarding entering into a financial instruments transaction contract or solicitation therefor | Censure | - |  |
| Dec. 16, 2024 | Nomura Securities Co., Ltd. | This constituted a series of market derivatives transactions on the Company’s account that would potentially mislead others into believing that trading of the JGB Futures is thriving and cause fluctuations in its prices on the OSE market. | Fine of JPY JPY 60 million and Suspension of the Company’s proprietary trading of JGB Futures and Options on JGB Futures (excluding activity specifically authorized by OSE) (three days) | - | |
| Oct. 01, 2024 | Morgan Stanley MUFG Securities Co.,Ltd. | Inappropriate sharing, usage, and management of information | Censure | - | |
| Oct. 01, 2024 | Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | (1) Inappropriate sharing, usage, and management of information, (2) Inappropriate conclusion of financial instruments transaction contracts | Censure | - | |
| Mar. 15, 2024 | SBI SECURITIES Co., Ltd. | Accepting orders from customers to purchase listed financial instruments on the financial instruments exchange market while knowing that causing fluctuation of market prices of said listed financial instruments, etc., will result in artificial price formation out of line with actual market conditions. | Censure | - | |
| Nov. 30, 2023 | MIKI SECURITIES CO., LTD. | (1) Solicitations in violation of the suitability principle, (2) Inadequate system to comply with the suitability principle | Censure | - | |
| Sep. 28, 2023 | Chibagin Securities Co.,Ltd. | (1) Solicitations in violation of the suitability principle were continuously conducted for a long time, (2) Insufficient system to comply with the suitability principle | Censure | - | |
| Dec. 20, 2022 | SMBC Nikko Securities Inc. | (1) Conduct of making illegal purchases, etc. for the purpose of stabilizing market prices of listed shares, (2) Deficiency in the control environment for transaction screening, (3) Deficiency in the control environment for business operations relating to block offers, (4) Inappropriate operations of business in cooperation with a bank | Censure | - | |
| Sep. 28, 2022 | Okayasu Shoji Co.,Ltd. | Calculation of capital adequacy ratios not reflecting the actual status | Suspension of derivatives trading and Fine of JPY 50 million | Suspension of financial instruments business (20 business days) | |