Two Side Update Expanded (Long) Message Fields

Table 1. Two Side Update Expanded (Long)
Field Name	Offset	Length	Type/(Value)	Description
Length	0	1	Binary	Length of this message including this field.
Message Type	1	1	0xD7	Two Side Update Expanded (Long) Message
Time Offset	2	4	Time Offset	Nanosecond offset from last unit timestamp.
Symbol	6	6	Printable ASCII	Symbol right padded with spaces.
Bit Fields	12	1	Bit Field	Bits 0-2 - Reserved Bit 3 - AON 0=Price level is a firm quote 1=Price Level is AON (All or None) Bit 4 - Customer (C1 Only) 0=Not customer specific. 1=Price Level is specifically for firm customer quotes. Bits 5-7 - Reserved
Bid Price	13	8	Binary Long Price	Bid Price
Bid Quantity	21	4	Binary	Total number of contracts on the inside bid (customer and non-customer). A zero value indicates there is no bid. If Customer bit is set, this will be zero.
Bid Customer Quantity	25	4	Binary	Number of customer contracts on the inside bid. A zero value denotes that there are no customer contracts at the inside price. If Customer bit is set, this will be the number of customer contracts on the inside bid considering only customer firm quotes. Will always be zero for C2.
Ask Price	29	8	Binary Long Price	Ask Price
Ask Quantity	37	4	Binary	Total number of contracts on the inside ask (customer and non-customer). A zero value indicates there is no ask. If Customer bit is set, this will be zero.
Ask Customer Quantity	41	4	Binary	Number of customer contracts on the inside ask. A zero value denotes that there are no customer contracts at the inside price. If Customer bit is set, this will be the number of customer contracts on the inside ask considering only customer firm quotes. Will always be zero for C2.
Total Length=45 bytes

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Two Side Update Expanded (Long) Message Fields