Securities Options
Guideline
OSE will determine and announce the adjustment method for each case when a company that issues the underlying securities of an Securities Options makes an announcement.
When making an option adjustment, OSE will determine the adjustment method according to the principles described in the "Securities Options Market Measures Taken in Response to Corporate Actions".
However, depending on the situation, OSE may adopt a special adjustment method. Please refer to the announcement relating to the adjustment method for details.
Please refer to PDF for details of the adjustment method.
Notices for the handling of Securities Options
| Announcement date | Underlying Securities | Category | Data |
|---|---|---|---|
| Dec. 15, 2025 | IBIDEN CO., LTD. （Code: 4062） Mitsui Chemicals, Inc. （Code: 4183） BRIDGESTONE CORPORATION（Code: 5108） MABUCHI MOTOR CO.,LTD. （Code: 6592） ITOCHU Corporation （Code: 8001） Sumitomo Realty & Development Co.,Ltd. （Code: 8830） SoftBank Group Corp. （Code: 9984） |
stock split |
|
| Nov. 13, 2025 | SBI Holdings, Inc.（Code: 8473） | stock split |
|
| Sep. 12, 2025 | DAITO TRUST CONSTRUCTION CO.,LTD.（Code: 1878） NIPPON STEEL CORPORATION（Code: 5401） IHI Corporation（Code: 7013） Nitori Holdings Co., Ltd. （Code: 9843） |
stock split |
|
| Sep. 10, 2025 | NEXT FUNDS Gold Price Exchange Traded Fund （Code: 1328） NEXT FUNDS TOPIX Banks Exchange Traded Fund（Code: 1615） |
Trading unit change |
|
| Sep. 08, 2025 | SONY GROUP CORPORATION (6758) | Stock distribution spin-offs |
|
| Aug. 29, 2025 | NTT DATA GROUP CORPORATION (9613) | Delisted |
|
| Aug. 14, 2025 | AEON CO., LTD.（Code: 8267） ORIX JREIT Inc.（Code: 8954） Daiwa House REIT Investment Corporation（Code: 8984） |
stock(Investment unit) split |
|
| Jun. 13, 2025 | Japan Prime Realty Investment Corporation（Code: 8955） |
Investment unit split |
|
| May 15, 2025 | Activia Properties Inc.（Code: 3279） |
Investment unit split |
|
| Mar. 14, 2025 | Ajinomoto Co., Inc.（Code: 2802） ZOZO, Inc.（Code: 3092） NEC Corporation（Code: 6701） Dai-ichi Life Holdings,Inc.（Code: 8750） KDDI CORPORATION（Code: 9433） |
stock split |
|
| Jan. 16, 2025 | Advance Residence Investment Corporation（Code: 3269） Japan Logistics Fund, Inc.（Code: 8967） |
Investment unit split |
|