V7 to V8 DifferencesMessagesStockOpenMarkVersion: 8.4.12.1Schema Differences: StockOpenMark (ID: 3170) V8 Message Definition 1 added 2 removed BODY #V7 Field NameType#V8 Field NameTypebidPrcfloat askPrcfloat 119opnMarkStateenum : OpnMarkState