UnderlyingDescription

The UnderlyingDescription store contains the description of the principal component of the risk-factors.

It is indexed by Underlying, RiskClass, and AsOfDate and referenced from the RiskFactorDescription store by these three fields.

The fields used in this store, and their purpose, depends on the risk-class. See the Implementation and Interpretation Guide for details on each risk-class.

Each row in the store will describe one of the following depending on the risk class:

Risk Class Underlying
(link to risk-class specific use of this store) (link to risk-class specific data model)
GIRR yield, inflation, or cross-currency basis curve
FX FX rate
Equity equity or equity issuer
CSR non-Sec relevant issuer credit spread curve
CSR Sec non-CTP tranche credit spread curves
CSR Sec CTP underlying credit spread curves
Commodity distinct commodity
Store Field Key CanBeNull Type Cube Field Description
Underlying Y String [Market Data].[Underlying] The primary component of the risk factor.
RiskClass Y String See field in referencing store (RiskFactorDescription) The risk-class (“GIRR”, “CSR non-Sec”, “CSR Sec non-CTP”, “CSR Sec CTP”, “Equity”, “Commodity”, “FX”)
Bucket Y String [Buckets].[SBM Buckets] The Bucket the Underlying belongs to.
GIRR Curve Type Y String [Market Data].[GIRR Curve Types] GIRR Delta and Vega only. The Curve type (“Yield”, “Basis”, or “Inflation”)
GIRR Ccy Y String [Risk].[Currencies] GIRR only. The currency of the curve. This is also the Bucket.
CSRQuality Y String [Market Data].[CSR Quality] CSR only. The credit quality of the curve (“Senior IG”, IG", “HY”, or “NR”)
CSRSector Y String [Market Data].[CSR Sector] CSR only. The relevant sector of the curve
CSRRating Y String [[Market Data].[CSR Rating] CSR non-Sec only. “high” for AA- and above covered bonds.
EquityMarketCap Y String [Market Data].[Equity Market Cap] Equity only. The equity issuer market cap (“Large”, “Small”, “Other”)
EquityEconomy Y String [Market Data].[Equity Issuer Economy] Equity only. The equity issuer economy (“Emerging”, “Advanced”, “Other”)
EquitySector Y String [Market Data].[Equity Sector] Equity only. The equity issuer sector.
UnderlyingFXOriginalCcy Y String FX Original Bucket (This is an internal field)
AsOfDate Y LOCALDATE[yyyy-mm-dd] See field in referencing store (TradeBase) Timestamp (at close of business) for the data.

References to bucket description stores:

Risk Class Fields Used in Reference Bucket Store
Equity AsOfDate, Bucket, RiskClass EquityBucketDesc
CSR non-Sec, CSR Sec non-CTP, CSR Sec CTP AsOfDate, Bucket, RiskClass CSRBucketDesc