MDP 3.0 Book Update - New Best Price Entered
- CME Group
This example shows an order entered at a new best price level in a Market by Price (MBP) aggregate book.
Bid | Ask | ||||
|---|---|---|---|---|---|
Order Count | Quantity | Price | Price | Quantity | Order Count |
20 | 503 | 9427.00 | 9428.00 | 40 | 2 |
34 | 750 | 9426.50 | 9428.50 | 600 | 35 |
25 | 400 | 9426.00 | 9429.00 | 850 | 55 |
14 | 300 | 9425.50 | 9429.50 | 350 | 21 |
1 | 400 | 9425.00 | 9430.00 | 150 | 12 |
35=X Data Block
Tag Number | Tag Name | Value | Description |
|---|---|---|---|
279 | MDUpdateAction | 0 | 0 = new. Type of Market Data update action. |
269 | MDEntryType | 0 | 0 = bid. Type of Market Data entry. |
83 | RptSeq | e.g. 131 | Sequence number per Instrument update. |
1023 | MDPriceLevel | 1 | Position in the book. |
271 | MDEntrySize | 200 | Quantity represented by the Market Data Entry. |
270 | MDEntryPx | 9427.50 | Price of the Market Data Entry. |
346 | NumberOfOrders | 1 | Number of orders at price level. |
48 | SecurityID | given | Unique instrument ID as qualified by the exchange |
Updated Book
Bid | Ask | ||||
|---|---|---|---|---|---|
Order Count | Quantity | Price | Price | Quantity | Order Count |
1 | 200 | 9427.50 | 9428.00 | 40 | 2 |
20 | 503 | 9427.00 | 9428.50 | 600 | 35 |
34 | 750 | 9426.50 | 9429.00 | 850 | 55 |
25 | 400 | 9426.00 | 9429.50 | 350 | 21 |
14 | 300 | 9425.50 | 9430.00 | 150 | 12 |
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