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

In the FLEX Standard ST-Status Flag, is there a case that "B0: Itayose" is not set after a Specia...

After a Special Quote is shown, if the Special Quote is removed without updating Special Quote price, "Space" will be set instead of "B0: Itayose". 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

What is the difference between the Acceptance Errors and the Registration Errors described in Lis...

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

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

Is FLEX Standard ST status flag "B1: Release of Itayose" always disseminated after "B0: Itayose" ...

When "B0: Itayose" is released and it becomes possible to execute orders, "B1: Release of Itayose" is disseminated. However, if the closing session is reache... Show Details

Which MCGs (multicast groups) in the FLEX can I get the information for the Trading Halt of arrow...

For the Trading Halt information of arrowhead and ToSTNeT is disseminated from the following MCG Numbers of ST Tag and TI Tag.The MCG numbers of FLEX are lis... Show Details

What are the differences between the data FLEX Std. disseminates after the closing auction of the...

There is a difference that "1. Afternoon session end" and "3. Issue realtime message (backup)" disseminate "latest board information", whereas "2. Issue real... Show Details

Is information for Trading Halt on all issues traded in arrowhead/ToSTNeT disseminated? Are ther...

All products (issues) that can be traded on arrowhead/ToSTNeT systems are subject to Trading Halt, and information about Trading Halt is disseminated by FLEX. Show Details