Identifies the type of quote cancel.
| Code | Meaning |
|---|---|
| 1 | Cancel quotes for one or more securities |
| 2 | Cancel quotes for security type(s) |
| 3 | Cancel quotes for underlying security |
| 4 | Cancel all quotes |
| 5 | Cancel specified single quote |
| 6 | Cancel by type of quote |
| 7 | Cancel quotes for an issuer |
| 8 | Cancel quotes for an issuer of underlying security |