The DSB is responsible for generating ISIN, CFI & FISN for OTC Swaps, Non-Listed Options and Forwards traded or submitted to trading on an EU trading venue.

From a CFI perspective, the DSB assigns ISINs for instruments classified as:

 

Category Group
‘S’ – Swaps ‘R’ – Rates

‘T’ – Commodities

‘E’ – Equity

‘C’ – Credit

‘F’ – Foreign Exchange

‘M’ – Others (Miscellaneous)

‘H’ – Non-listed and Complex Listed Options ‘R’ – Rates

‘T’ – Commodities

‘E’ – Equity

‘C’ – Credit

‘F’ – Foreign Exchange

‘M’ – Others (Miscellaneous)

‘J’ – Forwards ‘R’ – Rates

‘T’ – Commodities

‘E’ – Equity

‘C’ – Credit

‘F’ – Foreign Exchange

DSB ISINs can be identified exclusively by the prefix “EZ”

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