| Contract Name | OSE Mini Nikkei 225 - Mar 2026 |
| Contract Code | JMI2603 |
| Exchange | OSE |
| Contract Type | Equity Index |
| Contract Size | JP¥100 per index point |
| Currency | JPY |
| Min Price Chg | 5 index points ( JP¥500 ) |
| Contract Value | JP¥100 per index point |
| Trading Hours | T Session:8:45-15:40 T+1 Session:17:00-(T+1)5:55 |
| Time Zone | Japan Standard Time |
| First Notice Day | No |
| LTD | 20260312 |