Glossary · Contract maths

Negative balance protection in gold trading

Negative balance protection means a retail trading account cannot fall below zero; if a gap or spike closes trades past the deposit, the deficit is written off.

Also called NBP, Zero balance guarantee

Negative balance protection is a rule, required for retail clients in some jurisdictions and offered voluntarily elsewhere, that limits a trader’s loss to the money in the account. If a stop-out fills so far away that equity goes below zero, the platform resets the balance to zero instead of asking the client to pay the difference.

How it applies to gold trading

Gold can gap over a weekend or jump several dollars on a data release. A highly leveraged account can be wiped out before the stop-out level is processed, with the closing price far beyond the account’s equity. Without protection, the trader owes the deficit. With it, the loss stops at the deposit.

Protection does not reduce the risk of losing the whole account; it only removes the risk of owing more. It also usually applies per account, not to accounts held with different providers, and may not cover professional clients.

Worked example

Example (hypothetical numbers): an account with $1,000 holds 1 lot of gold long at 4,000 over the weekend. Gold opens Monday at 3,985. The stop-out fills at 3,985, a loss of $15 × 100 = $1,500. Equity would be -$500. With negative balance protection the balance is reset to $0; without it, the trader owes $500.

A common mistake

Treating the protection as permission to over-leverage. You still lose the whole deposit, and a stop placed sensibly would have lost far less.

See also: Stop-out, Weekend gap, Leverage, Margin call.

Frequently asked questions

Can I lose more than I deposit trading gold?

Without negative balance protection, yes, after a large gap. With it, retail losses are capped at the account balance. Check whether your account is covered.

Does negative balance protection stop me losing my deposit?

No. It only stops the balance going below zero. Position size and stops decide how much of the deposit you can lose.