Use this information to create
categories with multiyear or multimonth capabilities. You can enter up to 30
Annual or 120 Monthly sets of prepayment rate speeds for
the rate shocks that you define.
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Navigate to .
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Select the What If model that the new category belongs to.
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Select
.
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Enter a unique Table Name for the category.
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Enter the number of Time Periods.
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Select whether the rows in the grid represent Annual or
Monthly time periods.
The limit is 30 Annual or 120 Monthly
time periods.
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Select Manage Scenarios, and then select .
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Enter a whole number value from -1000 through
1000.
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Repeat steps 7–8 until the necessary scenarios are added.
Adding rate shocks only affects the category currently being
modified.
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Select Apply.
The rate shock is added as a column in the grid. Rate shocks appear from
lowest to highest (left to right).
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Enter the appropriate prepayment speeds in the grid.
When entering prepayment rate speeds, it is important that the speeds that
are initially entered in the grid are time-period appropriate. If
Monthly time frames appear, use Single Monthly Mortality (SMM)
rate speeds, and if Annual periods are used, you input rate speeds
Constant Prepayment Rate (CPR) values.
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Select Save.
After an advanced category is set up,
you can assign it individually to specific accounts on .
