Underlying

The Underlying refers to the underlying credit spread curves (bond and CDS) [MAR21.11](2).

Field Key Description
As-of Date Y Timestamp (at close of business) for the data (T-1)
Underlying Name Y Name of the underlying
Risk Class Y “CSR Sec CTP”
Bucket 1-16
Credit Quality “IG”, “HY”, or “NR”
Sector The relevant sector of the underlying