Binance supplements documentation for the FIX API ExpiryReason field.
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On October 27, 2026, Binance added previously undisclosed documentation for the ExpiryReason (25056) field in its FIX API documentation. This field only appears when an order expires, with values corresponding to different order expiration reasons. The field was previously announced in an update on March 9, 2026, and this update only supplements the documentation. Field values include: 1 for REJECTED, 2 for EXCHANGE_CANCELED, and 3 for OCO_TRIGGER.
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- English translation is being prepared.Binance adds previously undisclosed ExpiryReason(25056) field description to FIX API documentation
On 2026-10-27, Binance added a description of the previously undisclosed ExpiryReason(25056) field to its FIX API documentation. This field only appears when an order expires, with values corresponding to different order expiry reasons. This field was previously announced in the 2026-03-09 update, and this update only supplements the documentation description.
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