Gold Margin for 0.01 Lot: Worked XAU/USD Examples

How much margin does 0.01 lot of gold require?

For a linear XAU/USD contract with 100 troy ounces per lot, 0.01 lot represents 1 ounce. At a hypothetical USD 2,500 per ounce and a flat 5% requirement, margin is 0.01 × 100 × 2,500 × 0.05 = USD 125. These are invented assumptions, not today’s price or an available broker offer.

The general flat-rate formula is lots × ounces per lot × USD price per ounce × margin percentage ÷ 100. Convert the result into the account currency if needed. The actual product’s contract size and margin schedule take precedence; futures, tiered schedules and portfolio offsets require different treatment.

A margin table with explicit assumptions

Every row uses a 100-ounce contract and USD 2,500/oz. Percentages illustrate the arithmetic and do not state eligibility, regulation or terms offered to any reader.

Load the one-ounce gold margin example. This calculator asks for underlying units: enter 1 ounce for 0.01 lot on the stated 100-ounce contract, not 0.01 in the units field. Check the hypothetical account equity and existing margin before interpreting free margin or margin level.

Lower margin does not reduce the same position’s price risk

On that one-ounce position, a USD 10 adverse move changes its price result by USD 10 whether the margin assumption is 5%, 2% or 1%. If a hypothetical USD 1 extra charge applies, the estimated loss is USD 11. The deposit required to open the exposure and the loss if it moves are different quantities.

A broker’s stop-out process is also separate from a protective stop order. A larger position made possible by lower margin can increase risk. Margin availability alone is not a sizing rule. Read margin calls and stop-outs, then use the gold position-size calculator to compare your stated budget with entry-to-stop distance, costs and permitted volume increments.

Change the contract, not just the lot label

If an alternative product contains 10 ounces per lot, 0.01 lot is 0.1 ounce. At the same USD 2,500 price and 5% flat requirement, its hypothetical margin is USD 12.50 and a USD 10 adverse move produces a USD 1 price loss. The 100-ounce result would be wrong for this assumed smaller contract.

Read the specification’s ounces per lot, price unit, permitted minimum and volume step. A chart symbol named XAU/USD does not by itself establish those fields. The gold contract-size lesson explains how to translate the specification into exposure.

A GBP account conversion example

Assume the original one-ounce position, USD 125 margin and 1 GBP = 1.25 USD. USD 125 ÷ 1.25 = GBP 100. In the margin calculator, conversion is expressed the opposite way: 0.8 GBP per USD. Multiplying USD 125 × 0.8 produces the same GBP 100.

Always read the conversion label. Entering 1.25 in a GBP-per-USD field would produce the wrong result. Rates and broker conversion charges can change. The gold profit calculator’s GBP example instead uses USD per GBP, and subtracts additional costs in GBP.

Sources and scope

Sources checked 10 October 2026: Axi: one example of a 100-ounce gold contract; OANDA: margin terminology; OANDA: directional profit and loss. This is a worked reference, not an execution model or a recommendation to use leverage. Actual losses can exceed a stop estimate through gaps, costs and slippage.