SPE
Entity holding assets backing securities
ABS
Backed by asset pool
Servicer
Collects payments
Pass-through security
Pro rata cash flow distribution
Tranching
Different priority claims
Waterfall structure
Order of payments
Credit enhancement
Improves credit quality
Covered bond
Assets remain on issuer balance sheet
CDO
Backed by loans/bonds/MBS
CLO
Backed by leveraged loans
Commercial MBS
Backed by income property
Agency MBS
Government-backed
Non-agency MBS
Private, higher risk
Prepayment risk
Early principal return
Extension risk
Delayed principal return