BondCalc: Mortgage-Backed Features

Calculates Static Spread. Can input Static Spread and solve for price. Static Spread can vary over time.
Also handles GPMs [Graduated Payment Mortgages], Balloons and Initial Interest only.
Coupon and maturity dates can be out of sync (fully date driven).
Handles many prepayment models: SMM, CPR, PSA, ABS, HEP, MHP, and custom.
Displays implied prepayment speeds if pool factor entered.
Has two MBS specific graphs: cash flow and present value. Similar to graphs on Bloomberg BC14 screen.
Delay, inputted as actual, does not apply to put/call date.
Calculates IOs and POs.
Has lockouts.
Prints amortization schedule. Mortgages flow through all BondCalc graphs and reports.
User controls periodicity. Handles semiannual SBA mortgages.
Some variable rate mortgages can be handled.