[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

[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

[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

[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

[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

[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

[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

[arrowhead4.0] What is the monitoring reference price for Sequential Trade Quote in arrowhead?

There are two cases of "reference price" when Sequential Trade Quote is shown.1. If a single order is likely to trigger a series of executions that will move... Show Details

[arrowhead4.0] Are there any cases where large value executions of ToSTNeT trading do not dissemi...

FLEX does not disseminate information on trading whose trading value is JPY 5 billion or higher in Single-Issue Trading.It will be posted on the JPX website ... Show Details

[arrowhead4.0] How does arrowhead execute Simultaneous Orders?

Simultaneous Orders sum orders per trading participant for each price and one order unit is allocated in order from the trading participant with the largest ... Show Details