Update : Apr. 04, 2007
We require 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 |
| February 6, 2004 | Mizuho Investors Securities Co., Ltd. | A series of transactions to create an artificial market without any reflection of the actual state of the market | Fine of JPY 10 million |
| December 25, 2003 | Societe Generale Securities (North Pacific) Ltd. | A series of transactions to create an artificial market without any reflection of the actual state of the market | Fine of JPY 14 million |
| September 10, 2003 | HSBC Securities (Japan) Limited | Solicitation with promise of special profit | Fine of JPY 2 million |
| July 25, 2003 | Tokai Tokyo Securities Co.,Ltd. | A series of transactions to create an artificial market without any reflection of the actual state of the market | Fine of JPY 10million |
| July 25, 2003 | Retela Crea Securities Co.,Ltd. | A series of transactions to create an artificial market without any reflection of the actual state of the market | Fine of JPY 10million |
| July 25, 2003 | Credit Agricole Indosuez Securities (Japan) Limited | Solicitation with promise of special profit | Fine of JPY 2million |