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Forex & Gold Margin Calculator

Estimate collateral under a simple constant-leverage model.

Educational estimates, not personalized investment advice. Verify broker specifications. Costs, slippage and changing exchange rates can increase actual loss. Example inputs are not live quotes.

Your estimate

See the numbers behind your plan.

Review the example inputs, adjust them to your scenario, then select Calculate.

  1. Check instrument specifications
  2. Enter your parameters
  3. Review the result and assumptions
Calculated in your browser. No account required.

How this calculator works

Margin is the estimated collateral needed to open a position under a simple leverage model. It is different from the planned loss at a stop. A position can require relatively little margin while exposing the account to much larger price movements.

A quick visual example

Illustrative inputs · not live prices
  1. Position quantity0.10 lot × 100 oz = 10 oz
  2. Notional value10 oz × $2,000 = $20,000
  3. Required margin$20,000 ÷ 20 = $1,000

Replaces the form inputs with this example and calculates the result.

Choose the right inputs

Enter the position size, contract units, instrument price and leverage denominator: 20 means 20:1. Choose the currency basis used for margin and provide the conversion from that selected currency into account currency when required. Gold uses quote-currency notional in this model.

Understand your result

Base notional is the number of underlying units. Quote notional multiplies those units by the instrument price. The selected notional is divided by leverage and converted when necessary. Compare the result with available free margin using the broker’s own rules before relying on it operationally.

Common mistakes to avoid

The output is not maximum loss, a stop-out level or a promise of order acceptance. Real brokers may use tiered leverage, fixed product margins, hedging offsets or different maintenance requirements. This tool does not model those rules or the margin effect of an entire portfolio.

Frequently asked questions

Does higher leverage reduce trade risk?

For the same position, it reduces this model’s required margin. It does not reduce the price exposure of that position.

Why does my broker show another amount?

Check the contract size, conversion rate, price, margin currency and any product-specific or tiered requirements.

Sources and further reading

CME Group: contract size, ticks and profit/loss explains contract-based price exposure using futures examples; those contract specifications are not substitutes for a Forex or CFD broker’s settings.

CFTC: retail Forex customer advisory explains leverage and dealer risks in a US regulatory context. Neither source endorses Curizora or validates a particular broker or prop-firm rule set.

Calculation formula

Quote notional = lots × units per lot × instrument price. Base notional = lots × units per lot. Margin = selected-currency notional ÷ leverage.

Worked example

0.10 lot gold at 100 oz per lot and $2,000/oz has $20,000 notional. At 20:1 leverage, estimated USD margin is $1,000.

Assumptions and limitations

Conversion source is the selected margin currency. Margin is not maximum loss. Model excludes broker tiers, hedging offsets and special margin rates. Gold margin must use its quote currency.

Read our calculation methodology · Explore trading guides

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