| OrderCategoryCodeSet | char | Defines the type of interest behind a trade (fill or partial fill).
| 1 | = | Order | Added EP-1
| | [Order] | | 2 | = | Quote | Added EP-1
| | [Quote] | | 3 | = | Privately Negotiated Trade | Added EP-1
| | [PrivatelyNegotiatedTrade] | | 4 | = | Multileg order | Added EP-1
| | [MultilegOrder] | | 5 | = | Linked order | Added EP-1
| | [LinkedOrder] | | 6 | = | Quote Request | Added EP-1
| | [QuoteRequest] | | 7 | = | Implied Order | Added EP-1
| | [ImpliedOrder] | | 8 | = | Cross Order | Added EP-1
| | [CrossOrder] | | 9 | = | Streaming price (quote) | Added EP-1
| | [StreamingPrice] | | A | = | Internal Cross Order | Added EP101
| | [InternalCrossOrder] |
| Added EP22
|