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- 2026/03/02 09:00 The new FAQ has been updated !
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Frequently Referenced FAQ
FAQ within [ Order/Execute ]
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[arrowhead4.0] What is the maximum quantity (maximum order size) that can be sent in a single ord...
The quantity limits set for various orders for equities and ETFs are described in the following documents:[Japanese]URL: https://www.jpx.co.jp/equities/produ... Show Details
- No：7512
- Updated Date：2026/03/02 09:00
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[arrowhead4.0] What is the difference between the Acceptance Errors and the Registration Errors d...
The difference is whether the error has detected at the participant GW or the Trading Server.If an error is detected at the Participant GW, an Acceptance Err... Show Details
- No：7499
- Updated Date：2025/01/27 09:00
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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] Can I make a Modification Order that increases the order quantity in arrowhead?
Modification Order of arrowhead is only available to be specified a reduced quantity. There is no way to increase the quantity from the original order. Show Details
- No：7500
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] Can I confirm order priorities by order book detailed information etc. in arrowhead?
You can check the order priorities only for own orders by using the Order Book Detailed Information Request/Response Message from Virtual Servers (Query).Ple... Show Details
- No：7444
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] Are there any documents (Specifications, Requirements, guidelines, etc.) that desc...
There are descriptions on "System Interface Requirements for arrowhead" - 4.4. Notes on Test Issues.(Excerpt below)The main purpose of Test Issues is provide... Show Details
- No：7661
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] Which mechanism has priority, stop allocation or special execution?
Stop allocation has priority. Show Details
- No：18168
- Updated Date：2024/11/11 09:00
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[arrowhead4.0] Is there any limitation to STP in terms of types of order and sessions?
The STP function is applicable only to the matching in Zaraba, continuous trading session. Please not that even during Zaraba, the STP function does not appl... Show Details
- No：18144
- Updated Date：2024/11/11 09:00
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[arrowhead4.0] If I place an order on the issue of the Trading Halt in ToSTNeT, will the order be...
Although closing price orders are accepted during Trading Halt of ToSTNeT normally, Single Stock Trading and Basket Trading result in acceptance errors. Show Details
- No：7457
- Updated Date：2025/01/27 09:00
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[arrowhead4.0] Does 'on and above the specified price' include market orders?
Yes. Show Details
- No：18152
- Updated Date：2024/11/11 09:00
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