Identifies currency used for price. It is recommended that systems provide the currency value whenever possible. Currency codes used in FIX are those defined in ISO 4217 standard. To obtain the current valid list: http://www.iso.org/iso/support/faqs/faqs_widely_used_standards/widely_used_standards_other/currency_codes/currency_codes_list-1.htm

public string Currency { get; set; }