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Sep. 18, 2026 OSE Adjustment and Change on Securities Options (Effective from October 5, 2026)
Beneficiary right splits are scheduled for the underlying securities, as listed below. (effective from October 7, 2026) In addition, changes in the trading unit are scheduled on October 5, 2026.
In accordance with this, OSE shall adjust the strike prices of option contracts which are based upon these underlying securities on October 5, 2026, the date on which trading starts for shares after the splits.
| Underlying securities | Code | Strike price*1,2 | Open interest*1 | Number of securities for one delivery unit*1 | Position limits*1(units) | Large position reporting threshold for securities options*1(units) | Hard Block for J-NET Trading*1 |
| NEXT FUNDS Nikkei 225 Exchange Traded Fund | 1321 | divided by one hundred | multiplied by ten | 1→10 | 2,592,900→25,702,400 | 518,500→5,140,400 | 300,000→600,000 |
- Strike price, Open interest, Number of securities for one delivery unit, Position limits,Large position reporting threshold for securities options and Hard Block for J-NET Trading compared to October 2, 2026.
- If there are odd lots less than one yen in the strike price, they shall be rounded to the nearest yen(For strike prices of flexible options, odd lots less than the second decimal place shall be rounded to the nearest yen.).
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