MassCancelRequest (C)
| ID | 5 |
The Mass Cancel Request message allows firms to initiate the cancellation of one or more orders that are currently booked at the exchange if they match the criteria specified in the request. If no optional criteria are specified then all orders for the specified firm on the account will be cancelled. Optional criteria can be specified in the Appendage field using the tags described below.
Field | Name | Type | Req'd | Comments | Pedigree |
|---|---|---|---|---|---|
51 | Identifies this message as a Mass Cancel Request message type. | ||||
53 | Y | User Reference Numbers must be day-unique and strictly increasing for each Order Port. | |||
19 | Y | This field should contain all caps. Firm identifier for the order entry firm. One logical OUCH account can potentially enter orders for multiple firms in a Service Bureau configuration. | |||
47 | Y | Presence = OptionalOptional, Space filled if not specified Symbol to mass cancel orders on. | |||
2 | Y | Length of entire optional appendage. Zero (0) if no appendage follows. | |||
29 | Y | The available options supported on this message are: Side GroupID UserRefIdx |
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