Security Definition(d) — Production FIX API

SecurityDefinition(d) is the server response describing an instrument’s contract terms and trading parameters on the Deribit production FIX API.

The Security Definition d message is used for the following:

• Accept the security defined in a Security Definition Request (c) message with changes to the definition and/or identity of the security.
• Reject the security requested in a Security Definition Request message

Tag	Name	Type	Required	Comments
320	SecurityReqID	String	Yes	Request identifier
322	SecurityResponseID	String	Yes	Equal to the SecurityReqID
323	SecurityResponseType	int	Yes	Type of Security Definition response. Valid values: 2 = accept security proposal with possible revisions as indicated in the message, 5 = reject proposal
55	Symbol	String	No	Common, “human understood” representation of the security
48	SecurityID	String	No	Takes precedence in identifying security to counterparty.
22	SecurityIDSource	String	No	101 = Multi-cast identifier, 102 = Combo instrument identifier
225	IssueDate	UTCTimestamp	No	Creation timestamp
873	DatedDate	UTCTimestamp	No	State timestamp
58	Text	String	No	Explanatory text string
	Group UnderlyingInstrument
711	NoUnderlyings	int	No	Number of underlying items in the group, if applicable. Underlying group is present in reply to Security Definition Request (c) with SecurityRequestType(321) = 3
=>311	UnderlyingSymbol	String	No	Combo-instrument symbols in reply to Security Definition Request (c) with SecurityRequestType(321) = 3
965	SecurityStatus	String	No	Denotes the current state of the Instrument. Valid values: 1 = Active, 2 = Inactive, 3 = RFQ, 4 = Closed, 12 = Archivized
	Group InstrmtLegGrp
555	NoLegs	int	Yes	Number of legs that make up the Security
=>600	LegSymbol	String	No	Non-combo instrument name
=>623	LegRatioQty	int	No	Positive or negative adjusted to the strategy definition