Orchimate 1.5.0 /
FIX 4.1-1999-06-30

Orchestra Specification

Indexes

Message Layouts

Session

PreTrade

Trade

PostTrade

Documentation

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Field

OpenClose

ID (tag)	77
Type	OpenCloseCodeSet
Pedigree	Added FIX.2.7, Updated FIX.4.1-errata1

For options only.

Valid values:
O = Open
C = Close

Used in messages:

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Orchestra Copyright 2026 FIX Protocol Ltd
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