ClearYear/Calculators

Stock comp

ISO Exercise Spread Calculator

Measure exercise cost, current spread, and paper gain before exercising ISOs.

Use this for

  • pre-IPO employees
  • option exercise windows
  • AMT conversation prep
Cash needed to exercise$4,500
Current ISO spread$13,500
Current market value$18,000
Paper gain at scenario sale$25,500

ISO spread can affect AMT. This page measures the economics before a detailed AMT model.

Quick facts

Keep the estimate grounded.

ISO spread can matter for AMT.

Cash cost is strike price times shares.

Paper gain is not cash in your bank.