What if an acked DMA order got rejected by the Exchange

, ,
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Imported from previous forum

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[ original email was from Tony Zhu - tony.zhu@jpmorgan.com ]
Say if we have to send a ‘new order ack’ to client when a new DMA order got accepted by the OMS, but what if the exchange rejects the order? Which msg we should send to clients after we have acknowledged the order? In this instance would we pass the reject back to the client (after the ack) or should it be an order cancel?

The scenario is as follows.

  1. client sent a new DMA order
  2. broker acked the new order
  3. new order got released by broker
  4. exchange reject the release

Is there anything in the FIX protocol for this scenario?

Regards,
Tony