What is the difference between FLEX WB and non-WB?

There is no difference between the Full and Standard services other than the bandwidth and throttling.For non-WB, the messages are not thinned out, and if th... Show Details

What are Simultaneous Orders (executions) before opening price determination for arrowhead?

The principle of time priority is ignored such as orders placed before the opening price is determined during the morning and afternoon trading sessions. Tha... Show Details

Is it acceptable if orders are sent beyond the Sending Allowed Message Sequence Number (SAMSN) of...

If a Virtual Server has sent messages beyond the Sending Allowed Message Sequence Number (SAMSN), arrowhead regards the exceeded messages as an Incorrect Mes... Show Details

Are there any documents (Specifications, Requirements, guidelines, etc.) that describe the precau...

There are descriptions on "System Interface Requirements for arrowhead" - 4.5. Notes on Test Issues.(Excerpt below)The main purpose of Test Issues is provide... Show Details

What is the Cancel on Disconnect(COD) of arrowhead risk management function?

COD is available by selecting "YES" for the item "use of COD" when applying for Virtual Servers of arrowhead via arrowface.For how to submit the application ... Show Details

Are large value executions of ToSTNeT trading disseminated? (Single Stock Trading)

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

What are the times when information about Trading Halt in arrowhead will be disseminated?

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

Is the base price information of FLEX which is disseminated in the evening the same as the inform...

The content of the base price information disseminated in the evening of the previous day may differ from the content of the information. disseminated in the... Show Details

Is the order of Notices reception for Drop Copy Virtual Server in arrowhead the same as the order...

The sequence of Notice Messages received by the Virtual Server (Order/Notice), and the sequence of Notice Messages that are copying from the Virtual Server (... Show Details

How do I cancel an order in arrowhead?

You can cancel the order by specifying the "Order Acceptance Number" or the "Field For Internal Processing".For more information, please refer to "System Int... Show Details