If you want to verify a P&I payment, principal balance, interest rate for a specific due date or if you want to run an amortization schedule of an ARM, especially hybrid ARM loans, then this module is your new best friend! Whether you want to verify one (1) loan or 10,000 loans the UPB Validator will create a detailed amortization schedule that provides index, margins, rounding, new P&I payment, corresponding rates, etc.