Negative balance protection

Negative balance protection means your maximum loss is limited to the funds in your account. If prices move so fast that positions are closed at a loss larger than your balance, the broker resets the balance to zero rather than asking you to pay the difference.

For EU retail clients, it became mandatory under ESMA's 2018 CFD measures, which were later made permanent by national regulators such as CySEC. The UK's FCA applies an equivalent rule. It sits alongside the 50% margin close-out rule and the leverage caps. Elsewhere, it depends on the regulator and the broker: some offer it voluntarily, some do not.

Why it matters

Normally the close-out rule stops losses before the account is empty. But prices do not always move smoothly. A weekend gap, a central bank surprise or a flash crash can move a pair hundreds of pips between one tradable price and the next. The best-known example is 15 January 2015, when the Swiss National Bank removed its EUR/CHF floor and the franc jumped within minutes. Some traders at the time ended up with negative balances and debts to their brokers, and some brokers failed.

Example

Illustrative figures: a 2,000-euro account holds a large position. Over a weekend, news causes a gap and the position is closed at the Monday open with a loss of 2,600 euros. Without protection, the account shows minus 600 euros and the client owes it. With negative balance protection, the broker absorbs the 600 euros and the balance is zero.

Practical notes

• It applies per account and usually only to retail clients. Professional clients may not have it.
• It is not a risk-management tool. Losing the whole account is still losing the whole account.

See ESMA leverage limits and negative balance protection.