Compensation & Benefits

ISO AMT Exposure Modeler

Calculate AMT liability from ISO exercise spread using 2026 exemption amounts. Find maximum shares exercisable without triggering AMT and the AMT credit generated.

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ISO Exercise Details

Depreciation, % depletion, etc. (0 for most employees)
2026 AMT Parameters: Exemption $90,100 (single) / $140,200 (MFJ) · Phase-out begins $500,000 single / $1,000,000 MFJ · 28% rate applies above $244,500 of AMTI · Source: IRS Rev. Proc. 2025-32 (2026)

AMT Analysis

AMT Owed
Effective Exemption
Max Shares (No AMT)
Exercise this many to avoid AMT
AMT Credit Generated
Usable in future years when regular tax > AMT
Calculation StepAmount

Exercise Quantity Scenarios

Shares ExercisedISO SpreadAMTIEffective ExemptionAMT OwedNet Value After AMT

* Net value = exercise-day spread minus AMT owed. Does not include regular tax on eventual sale.

Export Results

Downstream: ESPP Break-Even (AL-117) · Tax-Advantaged Benefits (AL-01)