about field Execinst

What means Execinst(18)=G, All or none, Can this value be specifield by order originator? Or only by stock exchange?

ExecInst(18) is used by the order submitter. Additionally, the counterparty, e.g. an exchange, has to support value “G” (AON) on incoming orders.

Thanks for answer but still i have dark spot. We use timeInForce and orderType for identify order attributes. How can this field give us more information without them ? Can order have attributes besides of type and timeInForce?

For example ExecInst=4- Over the day. Also i have 59=0 - Day. Both same mean.

ExecInst is instructing the broker on how the order submitter would like the broker to handle the order. TimeInForce is about the time validity of the order. These are two distinct concepts.

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