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Subject: OpenBook Ultra Price Points in Delta Update messages

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jleija (guest)

06/18/2008 5:16 PM Quote Reply Alert 
The spec for the Price Point section of a Delta Update message says that "There maybe 0 price points in a message" (page 37). How should we handle a delta update with no price points? What is its purpose?

We are receiving messages like this every once in a while (delta updates with size == 18). We are currently ignoring them but we are not sure this is the best/correct way to handle them.
Lydia
Posts:68

06/19/2008 8:54 AM Quote Reply Alert 
Thank you for your inquiry. The appropriate parties have been notified about your question, and we will respond shortly.

Regards,
NYX Data Team
Ariel
Posts:170

06/23/2008 4:07 PM Quote Reply Alert 
At the moment it is best to ignore this message This is an issue on our end that will be fixed in a future release. We receive a status message periodically between our matching engine and our distribution system to ensure that we received the correct number of events for a particular symbol. Unfortunately this message is unique per symbol and contains a valid sequence number. So in order to ensure that no gaps occur, we distribute this message to customers without any price points and delta message includes only a sequence number.
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