Enum: BillingCategory
| # | Name |
|---|---|
| 0 | None |
| 1 | Alpha |
| 2 | AlphaTop50 |
| 3 | TiedMaker |
| 4 | TiedTaker |
| 5 | SOR |
| 6 | DMA |
| 7 | AuctionResponse |
| 8 | Facilitate |
| 9 | AlphaFacilitate |
| 10 | AwayTrade |
| 11 | SymOverride |
| 12 | Extern |
| 13 | NonBillable |
| 14 | Seeker |
| 15 | Legger |
| 16 | Drop |
| 17 | AwayAlgo |
| 18 | IsoSweep |
| 19 | SpdrSweep |
| 20 | GTH |
| 21 | AlphaGTH |
| 22 | BlockAuction |
| 23 | BlockResponse |
| 24 | FlashAuction |
| 25 | FlashResponse |