| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 264 | MarketDepth | @MktDepth | int |
Depth of market for Book Snapshot / Incremental updates 0 - full book depth 1 - top of book 2 and above - book depth (number of levels) | Added FIX.4.2 |
|