Abbreviation of Sub Participant Code.
It is the 5-digit code that Exchange gives to trading participants.
For OSE trading participants, it consists of a 3-digit OCR code + 2-digit branch number. For TOCOM trading participants, it consists of a 3-digit code specified by TOCOM + 2-digit branch number.
For Users except trading participants, such as information vendors, it consists of a 5-digit code specified by OSE and TOCOM.