Specifies the number of repeating symbols specified
This is a reusable definition. Requiredness is relative to this structure; its use and conditions in a message remain on that message's page. Version links browse the other dictionary, not an assumed equivalent component.
Must be specified if a Future or Option. If a Future: RelatdSym, SecurityType, and MaturityMonthYear are required. If an Option: RelatdSym, SecurityType, MaturityMonthYear, PutOrCall, and StrikePrice are required.
For Fixed Income, Convertible Bonds, Derivatives, etc. Note: If used, quantities should be expressed in the "nominal" (e.g. contracts vs. shares) amount.