Notional margin calculator
Estimate collateral from notional value and a margin rate.
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Understanding your calculation
Required margin = price x quantity x margin percentage. Effective leverage = 100 / margin percentage. This is a simple collateral estimate, not a broker margin engine or liquidation calculator. Requirements can change and losses can exceed collateral.
- Enter your own values and choose the applicable calculation options.
- Review the breakdown and assumptions; change one input to compare a scenario.
- Download the calculation CSV to retain your inputs and result for independent checking.
Limits and checks
Inputs are validated locally. Results are estimates using the stated model, without live market data, automatic tax classification or personalized financial advice.
Frequently asked questions
What assumptions does the notional margin calculator use?
Required margin = price x quantity x margin percentage. Effective leverage = 100 / margin percentage. This is a simple collateral estimate, not a broker margin engine or liquidation calculator. Requirements can change and losses can exceed collateral.
Is my content sent to a server?
No. Processing runs inside your browser. Optional editor recovery saves a draft on this device only. Read the privacy policy.
Can I rely on this as a financial decision?
No. Check the model, inputs and assumptions independently. Real borrowing costs, returns, fees and trading losses can differ. Consult a qualified professional when appropriate.