Underlying security's SecurityType.
Valid values: see SecurityType (167) field
The following applies when used in conjunction with SecurityType (167)=REPO.
Represents the general or specific type of security that underlies a financing agreement.
Valid values for SecurityType (167)=REPO:
TREASURY = Federal government or treasury
PROVINCE = State, province, region, etc.
AGENCY = Federal agency
MORTGAGE = Mortgage passthrough
CP = Commercial paper
CORP = Corporate
EQUITY = Equity
SUPRA = Supra-national agency
CASH
If bonds of a particular issuer or country are wanted in an Order or are in the basket of an Execution and the SecurityType (167) is not granular enough, include the UnderlyingIssuer (306), UnderlyingCountryOfIssue (592), UnderlyingProgram, UnderlyingRegType and/or UnderlyingStipulations block e.g.:
SecurityType (167)=REPO
UnderlyingSecurityType (310)=MORTGAGE
or
SecurityType (167)=REPO
UnderlyingSecurityType (310)=AGENCY
UnderlyingIssuer (306)=CA Housing Trust
UnderlyingCountryOfIssue (592)=CA
or
SecurityType (167)=REPO
UnderlyingSecurityType (310)=CORP
UnderlyingStipType (888)=RATING