Market News
Mar. 16, 2026 OSE Adjustment and Change on Securities Options (Effective from March 30, 2026)
Stock splits are scheduled for the underlying securities, as listed below. (effective from April 1, 2026)
In accordance with this, OSE shall adjust the strike prices of option contracts which are based upon these underlying securities on March 30, 2026, the date on which trading starts for shares after the stock 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 TOPIX Exchange Traded Fund | 1306 | divided by ten | multiplied by ten | No Change | 5,723,200→56,937,800 | 1,144,600→11,387,500 | No Change |
| Fujikura Ltd. | 5803 | divided by six | multiplied by six | No Change | 29,500→177,500 | 5,900→35,500 | No Change |
| Kawasaki Heavy Industries, Ltd. | 7012 | divided by five | multiplied by five | No Change | 16,700→83,900 | 3,300→16,700 | No Change |
| JAPAN POST INSURANCE Co.,Ltd. | 7181 | divided by three | multiplied by three | No Change | 38,300→111,500 | 7,600→22,300 | No Change |
| SCREEN Holdings Co., Ltd. | 7735 | divided by two | multiplied by two | No Change | 10,100→19,000 | 2,000→3,800 | No Change |
- 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 March 27, 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.).
Enquiry
Osaka Exchange
TEL:TEL : +81-6-4706-0800