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(Archive) Regarding OSE cancelled DCB price range expansion

Market Status

(Market Status)
・Auction : 〇 (Normal)
・Off-Auction : 〇 (Normal)

*Even though the above shows [〇] as for effects to investors, there is possibility that some of services might have been affected depends on securities firm and information vendors. Please kindly contact your securities firm and information vendors for further details.

Notification for trading participants and Market Information System users

J-GATE is currently being operated normally.
However, in terms of the partial series whose DCB price range was expanded at 2024/8/6 (Tue) JST(*1) (*2), DCB price range expansion will be cancelled from day session at 2024/8/13 (Tue) JST onwards.
→As scheduled, OSE cancelled DCB price range expansion as of today (2024/8/13 (Tue) JST).
Please refer to the below for further details.
(*1) Please kindly refer to [Revision to DCB Price Range for Index Options] released on August 5, 2024.
(*2) Please kindly refer to Appendix.

User Status

・Trading Participants : 〇 (Normal)
・Market Information System Users : 〇 (Normal)

Details of the incident

1. Classification
Market cause

2. Affected system (s)
J-GATE

3. Date and Time of Occurrence
2024/8/6 (Tue) JST DCB price range was expanded
2024/8/13 (Tue) JST DCB price range expansion will be cancelled →Completed as scheduled.

4. Services affected by the incident
Trading on Osaka Exchange, Inc. (OSE)

5. Impact Range
All the contract months of index options trading on J-GATE

6. Outline of Incident
OSE will cancel DCB price range expansion. →Completed as scheduled.
(*1) For more details, please kindly refer to the Appendix.
(*2) From day session at 2024/8/13 (Tue) JST onwards, revised DCB price range will be applied.
(*3) At 2024/8/11 (Sun) JST, Holiday Test (migration rehearsal of November 2024 Release) is scheduled. Revised DCB price range will be applied on the day.

7. Request to Users
Please kindly refer to Appendix and make sure revised DCB price range to be applied from 2024/8/13 (Tue) JST onwards, before users order.

Update Information

2024/8/9 17:00 JST: Determined to conduct revision of DCB price range at 2024/8/13 (Tue) JST
2024/8/13 7:30 JST : Completed revising expanded DCB price range as scheduled

Documents