Options Defined-Risk Calculator
Enter width, debit or credit, and contract count. See max loss, max profit, and R:R before you sell premium or buy a spread.
How This Tool Works
Size from max loss, not from the credit. Multiplier is 100 per contract.
Debit vertical: max loss = debit × 100 × n; max profit = (width − debit) × 100 × n
Credit vertical / condor: max profit = credit × 100 × n; max loss = (width − credit) × 100 × n
Assignment, early exercise, and fees are outside this envelope. Education only.
Used in these lessons
All trading courses · Size before you open · Stock scanner · Crypto scanner · Journal
Learn the Concepts
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