Stock Options Tax Calculator (ISO vs NSO)

Calculate tax on ISO and NSO stock options at exercise and sale. Compare ISO vs NSO tax treatment.

Option Type
$
$
%
%
Holding Period

Spread Per Share

$40.00

Total Spread

$40,000.00

Net After-Tax Value

$34,000.00

Tax Breakdown

Gross Value$50,000.00
Total Cost (exercise)$10,000.00
Total Spread$40,000.00
AMT at Exercise (28%)$11,200.00
LTCG Tax at Sale (15%)$6,000.00
Net After-Tax Value$34,000.00

Use the Stock Options Tax Calculator (ISO vs NSO) above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.