The allocation record instructs a broker on how to allocate executed shares to sub-accounts.

The allocation ACK record is used by the broker to acknowledge the receipt and status of an allocation record received f…

The email message is similar to the format and purpose of to the News message, however, it is intended for private use b…

The news message is a general free format message between the broker and institution.

Advertisement messages are used to announce completed transactions.

Indication of interest messages market merchandise which the broker is buying or selling in either a proprietary or agen…

The list cancel request message type is used by institutions wishing to cancel previously submitted lists either before …

The list execute message type is used by institutions to instruct the broker to begin execution of a previously submitte…

The list status message is issued as the response to a List Status Request message and indicates the current state of th…

The list status request message type is used by institutions to instruct the broker to generate status messages for a li…

The new order list message type is used by institutions wishing to electronically submit lists of related orders to a br…

The quote message is used as the response to a Quote Request message and can be used to publish unsolicited quotes.

In some markets it is the practice to request quotes from brokers prior to placement of an order. The quote request mess…

The Heartbeat monitors the status of the communication link and identifies when the last of a string of messages was not…

The logon message authenticates a user establishing a connection to a remote system.

The logout message initiates or confirms the termination of a FIX session.

The reject message should be issued when a message is received but cannot be passed through to the application level.

The resend request is sent by the receiving application to initiate the retransmission of messages. This function is uti…

The sequence reset message is used by the sending application to reset the incoming sequence number on the opposing side…

The test request message forces a heartbeat from the opposing application.

The Settlement Instructions message provides either the broker’s or the institution’s instructions for trade settlement.

The Don’t Know Trade (DK) message notifies a trading partner that an electronically received execution has been rejected…

The execution report message is used to: 1. Confirm the receipt of an order 2. Confirm changes to an existing order (i.e…

The order cancel reject message is issued by the broker upon receipt of a cancel request or cancel/replace request messa…

The order cancel/replace request is used to change the parameters of an existing order.

The order cancel request message requests the cancellation of all of the remaining quantity of an existing order.

The new order message type is used by institutions wishing to electronically submit securities and forex orders to a bro…

The order status request message is used by the institution to generate an order status message back from the broker.