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Basic Question 1 of 8
The initial PAC collar refers to the upper and lower limits of ______.
B. remaining cash flows of support classes
C. prepayment speed of the underlying mortgage pool
D. effective interest rates of the accrual tranche
A. PAC tranche maturities
B. remaining cash flows of support classes
C. prepayment speed of the underlying mortgage pool
D. effective interest rates of the accrual tranche
User Contributed Comments 1
| User | Comment |
|---|---|
| danlan2 | Principal payment schedule=C |
Thanks again for your wonderful site ... it definitely made the difference.

Craig Baugh
Learning Outcome Statements
define key rate duration and describe its use to measure price sensitivity of fixed-income instruments to benchmark yield curve changes
CFA® 2026 Level I Curriculum, Volume 4, Module 13.