[arrowhead4.0] What are the base price/Flag (Indicating the central price of the order book) in t...

For direct newly listing, middle of the book price is disseminated.Also, in some cases where demerger or stock dividend are conducted, middle of the book pri... 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

[arrowhead4.0] What are the differences between the data FLEX Std. disseminates after the closing...

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

[arrowhead4.0] The upper/lower limits of limit price range are determined when the initial price ...

When determining the initial price of new listing issue, set and disseminated the upper limit and lower limit of the limit price of base price data (BP tag). Show Details

[arrowhead4.0] Does FLEX disseminate forecast (quantities and prices) information for closing? (e...

FLEX does not disseminate the forecast of execution price at closing. Show Details

[arrowhead4.0] How does FLEX reflect the real-time message after receiving the Snapshot message?

Update numbers (NO tag) for Standard and Update Number (packet header) for Market by Order (MBO) can determine whether the message is contained in the backup... Show Details

[arrowhead4.0] Will OrderID be changed by modification order?

Yes, it will. Show Details

[arrowhead4.0] How are orders handled during the Pre-Closing?

Orders registered on the order book during Pre-Closing are treated as simultaneous orders, together with "on close" orders and "Funari" orders placed prior t... Show Details

[arrowhead4.0] Is there any update for FLEX service?

"FLEX Standard 100Mbps", "FLEX Full 100Mbps", "FLEX Full WB", and "High-Speed Index" will be discontinued with the current version of arrowhead (version upgr... Show Details

[arrowhead4.0] Are there any modifications for FLEX distribution due to introduction of Pre-Closing?

Status information indicating the start of Pre-Closing will be distributed. During Pre-Closing, order book information will be disseminated similar to during... Show Details