How to Calculate Trading Leverage, Exposure and Profit

Start with exposure and the capital behind it

A leverage multiple expresses how much price exposure is carried per unit of allocated capital. Use the calculator to solve exposure or leverage, then examine a single gross price scenario.

Separate allocated capital and account equity

Position notional is the opening exposure. Allocated capital is the amount assigned to that position. Position leverage divides notional by allocated capital. Effective account leverage divides the same notional by separately supplied account equity.

For 5,000 notional, 1,000 allocated capital and 2,000 account equity, position leverage is 5× and effective account leverage is 2.5×.

Choose what stays fixed

Hold allocated capital fixed when comparing the notional and P&L effects of two multiples. Hold notional fixed when comparing returns on different allocations for the same position.

Calculate P&L from the underlying move

Gross P&L = opening notional × signed price move ÷ 100. A long uses the supplied price move. A short reverses its sign. Add P&L to allocated capital for the residual. Divide P&L by allocated capital and multiply by 100 for gross return on allocated capital.

Gross P&L = opening notional × signed price move ÷ 100

Verify gains, losses and exhausted capital

With 1,000 allocated at 5×, notional is 5,000. A 2% fall gives a long loss of 100 and leaves 900 of modeled capital. At 1× the same capital and move give a loss of 20. A short on 5,000 gains 100 on the same price fall.

A 20% fall on 5,000 costs 1,000 and exhausts the 1,000 allocation. A 25% fall costs 1,250 and leaves −250. At fixed notional of 5,000, an allocation of 2,000 gives leverage of 2.5× and the same 1,250 loss, with 750 remaining.

1. Enter 1,000 allocated capital, leverage 5× and a price move of −2%.
2. Compare the gross result with the same capital at 1×.
3. Switch to a supplied notional of 5,000 and change the allocation to 2,000 to isolate the denominator effect.

Enter one exposure and price scenario

Choose long or short and enter positive allocated capital. Supply a leverage multiple to solve notional, or supply notional to solve the multiple. Enter a signed underlying price move. Optionally enter account equity for a separate leverage figure. Changing modes clears the mode-specific input.

Read the residual before applying product rules

At fixed capital, higher leverage increases notional and magnifies the monetary result of a given move. At fixed notional, changing allocated capital changes leverage and the percentage return on capital. The monetary P&L stays the same. A negative residual means the modeled loss exceeds allocated capital.

Use an opening-notional comparison

One linear exposure and one price change in a consistent currency. The 1× comparison holds allocated capital, direction and price move fixed. The result uses the opening notional and has no annualization or compounding.

Understand numerical and product limits

Inputs allow up to 12 decimal places. Capital, notional and optional equity are positive and at most 1 trillion. Equity must cover allocated capital. Position leverage ranges from 1× to 1,000×, and the price move ranges from −100% to +1,000%. Monetary outcomes use exact arithmetic. Ratios and percentages use up to 24 significant digits.

A product with daily resets, nonlinear payoffs or venue-specific margin rules requires a separate model.

Avoid counting leverage twice

Apply the price move to notional once. Multiplying that P&L by leverage again double-counts the exposure. Use an underlying price fall as a negative move for either direction. The calculator handles the sign of a short.

Use consistent amounts across markets

Select USD, GBP, CAD, AUD or INR for the USA, UK, Canada, Australia or India. The selection changes formatting. Regulator resources cover US margin trading, UK CFDs, borrowing to invest in Canada and Australia, and Indian derivatives. Product restrictions, funding costs and protections vary.

Choose a calculation for the decision

Risk Per Trade measures an exit loss against an account budget. Position Sizing solves for a cash-funded share count. Leverage relates opening exposure to allocated capital.

Educational scope

Educational gross mark-to-market scenario. Financing, fees, taxes, FX, margin requirements and forced exits are outside this model. The result does not determine broker buying power, liquidation prices or product eligibility.

Frequently asked questions

Sources and review

Sources reviewed Nov 11, 2026. Consult current local rules before relying on time-sensitive information.

• Investor.gov leveraged investing bulletin
• FCA guidance on contracts for difference
• CIRO risks of borrowing to invest
• Moneysmart borrowing to invest
• SEBI combined risk disclosure