⚡ Rate Adjustment Intelligence Platform

Your Rate
Will Change.
Be Ready.

RateAdjustors simulates how adjustable-rate mortgages behave over time — modeling payment shock, rate resets, refinance timing, and worst-case scenarios so you can make informed financial decisions.

No personal info required
📊 10 analytical tools
⚡ Instant results
Payment Shock Preview
Example
Current Payment
$1,910
@ 4.00% fixed
After 1st Reset
$2,325
+$415 / mo
Rate Risk Score
74 / 100
High Risk
Max Payment
$2,940
Total Interest
$468K
10 Free analytical tools
$415 Avg. payment shock on 5/1 ARMs
$147K Avg. lifetime interest difference found
60s To complete full ARM analysis
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All Tools

Rate Risk Intelligence.
10 Tools. Free.

Every tool you need to understand, model, and act on adjustable-rate risk — from first reset to worst-case scenario.

📐
ARM Simulator
Model full adjustable-rate mortgage payment timeline across every year of your loan, including all rate resets.
Run simulation →
⚖️
Fixed vs ARM Comparison
Compare the true cost of a fixed-rate mortgage against an adjustable-rate loan across all rate scenarios.
Compare now →
Payment Shock Calculator
See exactly how much your payment could jump after a rate reset — in dollars and percentage.
Calculate shock →
📅
Rate Reset Timeline
Year-by-year breakdown of your projected rate and payment across every adjustment period.
View timeline →
🛡️
Lifetime Cap Exposure
Calculate your maximum possible payment and worst-case total interest under your cap structure.
Analyze exposure →
🔄
Refinance Timing Analyzer
Compare refinancing now vs. keeping your ARM — break-even months, monthly savings, and long-term cost.
Analyze timing →
📊
Total Interest Comparator
Best-case, expected, and worst-case total interest cost across different rate paths for your loan.
Compare paths →
🏠
Affordability Compression
See how rising rates reduce your buying power — the maximum loan you can afford at different rate levels.
Check buying power →
💰
Recast vs Refinance
Compare paying down your loan balance (recast) against refinancing into a new rate — which saves more?
Compare options →
🔬
Loan Scenario Comparison
Compare 5/1 ARM, 7/1 ARM, and 30-year fixed side-by-side with risk scores and payment timelines.
Compare scenarios →
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Your Rate Is
About to Change.

Run a full ARM simulation in 60 seconds. No personal information, no credit pull, no registration.