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Application & System Support
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Email: servicedesk@jpx.co.jp
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English) 7:00 am - 6:30 pm on business days
TEL: +81-50-3819-1030
Email: arrownet_support@jpx.co.jp
TEL: +81-50-3822-8882
Email: arrowhead@jpx.co.jp
Japanese) 24/7
English) 7:00 am - 6:30 pm on business days
TEL: +81-50-3822-8900
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TEL: +81-50-3819-1076
Email: servicedesk_clearing@jpx.co.jp
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Frequently Referenced FAQ
FAQ within [ arrowhead/ToSTNeT/FLEX ]
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[arrowhead4.0] What are Simultaneous Orders (executions) before opening price determination for a...
If the execution is at the start of the morning and afternoon trading sessions, or when the first execution price is determined after the Trading Halt, the p... Show Details
- No：7442
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] We would like to know the specifications of arrowhead. How can we find "System Int...
It is posted at the following location on System Documents Site.[System Documents Site]System Documents > arrowhead/ToSTNeT/FLEX > Connection Specifica... Show Details
- No：3985
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] Why are the quote prices different between FLEX Standard and MBO?
Because the distribution specifications differ between FLEX Standard and Market by Order (MBO), the prices included in the distribution may also differ. For ... Show Details
- No：19585
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] What are the times when information about Trading Halt in arrowhead will be dissem...
If there is any Trading Halt information that is deemed to have a significant impact on investment decision for investors, the information dissemination time... Show Details
- No：7580
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] How is an execution price determined for Special Execution?
For Special Execution, an execution price is the upper or lower limit price of the executable price range from the order book mid price (last traded price at... Show Details
- No：18159
- Updated Date：2024/11/11 09:00
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[arrowhead4.0] What is the set value of the Market Classification Flag/Code?
List of "Exchange/Market Classification Codes" is included in each System Interface Specifications.Please refer to the following documents.- arrowheadSystem ... Show Details
- No：7651
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] Are the orders with closing conditions and Funari orders distributed in FLEX MBO?
Orders with closing conditions and Funari orders are subject to distribution from the time of order placement. However, information incorporated into the ord... Show Details
- No：19582
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] What are some possible causes for the arrowhead Virtual Server failing to connect ...
Below are common reasons why a Virtual Server connection may not be established properly:1. Due to incorrect network settings on the Virtual Server side, the... Show Details
- No：19588
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] How can we find "System Interface Requirements for arrowhead"?
It is posted at the following location on System Documents Site.[System Documents Site]System Documents > arrowhead/ToSTNeT/FLEX > Connection Specifica... Show Details
- No：3984
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] In arrowhead/ToSTNeT, if Trading Halt of an issue is released at 8:20am, does FLEX...
In normal operation, for arrowhead, FLEX does not disseminate information that is released during the order acceptance hours for arrowhead ST tag.For ToSTNeT... Show Details
- No：7581
- Updated Date：2025/01/27 09:00
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