Every month a pool factor would be reported for this security. If the pool factor for some month is 0.92, what is the outstanding mortgage balance for the loan pool for that month?

What will be an ideal response?

When a pass-through security is first issued, the principal is known. Over time, because of regularly scheduled principal payments and prepayments, the amount of the pool's outstanding loan balance declines. The pool factor is the percentage of the original principal that is still outstanding. At issuance, the pool factor is 1 and declines over time. Pool factor information is published monthly. If the pool factor is 0.92 it means the outstanding mortgage balance is
0.92 × $464,927,576 = $427,733,369.92 .