| Tag | Value | SymbolicName | Group | Sort | Description | Elaboration | Deprecated |
|---|---|---|---|---|---|---|---|
| 851 | 0 | May be used by venues where market rules do not define "add" or "remove" liquidity. In the context of the SEC amendment of Regulation NMS Rule 606(b), may be used to identify executions that are only reported as part of total shares executed and not as part of shares providing or removing liquidity (see https://www.sec.gov/rules/final/2018/34-84528.pdf for details). |
| Tag | Value | SymbolicName | Group | Sort | Description | Elaboration |
|---|---|---|---|---|---|---|
| 851 | 10 | Unknown | 10 | Unknown | The liquidity indicator of the execution cannot be determined or was not provided upon execution. | |
| 851 | 11 | Other | 11 | Other | None of the existing liquidity indicators are applicable for the execution (e.g. due to a venue's new order type that does not fit existing values). |