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Equity Compensation calculator
ISO exercise cost & spread calculator
Estimate the cash cost to exercise incentive stock options and the resulting spread (a common AMT trigger).
Exercise cost / potential AMT spread
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Exercise cost = shares \u00d7 strike price. Spread = shares \u00d7 (current FMV \u2212 strike price) \u2014 this spread is a preference item that can trigger the Alternative Minimum Tax even though you haven't sold the shares. This doesn't calculate AMT itself, which depends on your full tax picture.
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