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Side-by-side payments, the rate cap, and the cost by scenario tied to how long they plan to hold the loan. Built for the 60-second conversation.
30-Year Fixed
Fixed - the rate never moves
$ - - -
monthly P&I
ARM
Adjustable - low to start, can climb
$ - - -
monthly P&I (initial)
Labels the Fixed column “30-Year Fixed”
Locked. The note rate never moves.
The lower starting rate, fixed for the initial period before the first adjustment.
Lender margin added to the index at each adjustment, e.g. 2.75%. On the rate sheet.
SOFR is the published benchmark the rate follows after the fixed period. Index + margin = the new rate.
Initial: max change at the first adjustment. Periodic: max per later adjustment. Lifetime: max over the loan. Prefilled with the conforming defaults for this product; edit to match the rate sheet.
How long before they sell or refinance. The verdict is figured through this year.
Fills the To: line on the email draft. Leave blank to address it yourself.
Expected case
Auto assumes the index holds flat at quote and the rate hits the fully indexed ceiling at first adjustment. Override to model a different first-adjustment outcome.
Early years
Fill the form to see the comparison.
The ceiling
The verdict