A tranche that constitutes a special class of principal only (PO) tranches embedded in a securitized product (e.g., CMOs) with...

It stands for super principal only tranche; a tranche that constitutes a special class of principal only (PO) tranches embedded in...

It stands for zero-coupon tranche; an alternative term for principal only tranche; a tranche, part of an IO/ OP structure,...

An alternative term for principal only tranche; a tranche, part of an IO/ OP structure, that receives only the principal...

A tranche, part of an IO/ OP structure, that receives only the principal repayment on the underlying securitized debt/ collateral....

It stands for principal only tranche; a tranche, part of an IO/ OP structure, that receives only the principal repayment...