SWIFT ISO 15022 - Code EQUI Financial acronyms The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad. Meaning Equity: FX trade is for the settlement of an equity trade. Usages Message type Field number Tag MT380 (Foreign Exchange Order) 20 24B (Reason Code: Transaction Reason Code) MT381 (Foreign Exchange Order Confirmation) 19 24B (Reason Code: Transaction Reason Code)