| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1821 | RelatedPriceSource | ReltdPxSrc | int | Source for the price of a related entity, e.g. price of the underlying instrument in an Underlying Price Contingency (UPC) order. Can be used together with RelatedHighPrice (1819) and/or RelatedLowPrice (1820). RelatedPriceSourceCodeSet
| Added EP131 |
|