Z-Tranche

DEFINITION of 'Z-Tranche'

A special type of bond class in a sequential pay collateralized mortgage obligation. This class of bond does not receive any interest or principal payments until all other tranches have been completely paid off. In a Z-tranche, the interest that is not paid is accrued and added to the principal for future interest calculation purposes.

BREAKING DOWN 'Z-Tranche'

The main purpose of the Z-tranche is to speed up the maturity of the senior tranches by disbursing payment that the Z-tranche was supposed to receive to the higher priority tranches. Investors that possess long-term liabilities or those who worry about reinvestment risk would benefit from investing in a Z-tranche bond.

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RELATED FAQS
  1. What's the difference between a collateralized mortgage obligation (CMO) and a mortgage-backed ...

    Find out more about collateralized mortgage obligations and mortgage-backed securities and the difference between the two ... Read Answer >>
  2. What is a Z bond in a collateralized mortgage obligation (CMO)?

    Learn about Z-bonds, which are the riskiest level of tranches in collateralized mortgage obligations, and understand how ... Read Answer >>
  3. What's the difference between a collateralized debt obligation (CDO) and a collateralized ...

    Find out how a collateralized mortgage obligation (CMO) is similar to a collateralized debt obligation (CDO), as well as ... Read Answer >>
  4. What is a tranche?

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  5. What is accrued interest, and why do I have to pay it when I buy a bond?

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