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A Prepayment Model for the Danish MBB Market

We developed an Implied Prepayment model to calculate spread values and effective Durations for Danish Mortgage Backed Bonds (MBB). By using an implied prepayment model, constructed by fitting a generic functional form to market prices of liquid Danish MBB, we take the market price of prepayment risk into account and produce consistent results. Since only current pricing data are used as a model input this approach does not require access to a historical database of prepayment data. This will allow us to extend the model to cover different markets with comparative ease.