Tranche

The Tranche (Underlying) object describes the tranche. A tranche is specific to an underlying asset pool.

Field Key Description
As-of Date Y Timestamp (at close of business) for the data (T-1)
Tranche (Underlying) Y Name of the tranche
Risk Class Y “DRC Sec non-CTP”
Bucket “corporates” or asset class and region
Seniority “senior” or not, for calculating the SEC-ERBA risk-weight
Rating Credit rating of the tranche
Rating Type The rating type used alongside the rating to determine the SEC-ERBA risk-weight
Region The region used to determine the bucket
Asset Class The asset class used to determine the bucket
Attachment Point Attachment point of the tranche within the pool
Detachment Point Detachment point of the tranche within the pool
Risk Weight Optional override of the obligor’s risk-weight