Liquidation in forex and CFD trading explained
By Ken Chigbo, Founder, KenMacro. Published 2026-05-13.
Quick answer
Liquidation is the forced or voluntary closure of an open leveraged position. In retail forex and CFD trading, it usually refers to a broker automatically closing a trade once account equity falls below the maintenance margin requirement, protecting the broker from negative balances and limiting trader losses to deposited capital.
What is liquidation?
Liquidation is the process of closing an open position to realise its profit or loss in cash. In leveraged markets, the term most often describes a forced liquidation, where the broker’s risk engine closes a position automatically because the account no longer holds sufficient margin to support it. Voluntary liquidation, by contrast, is simply a trader choosing to exit a position. The mechanism exists because leverage allows traders to control notional exposure far larger than their deposit, so brokers must enforce a margin floor to prevent client equity from turning negative and creating a credit risk on the broker’s book.
How traders use liquidation
Retail traders track liquidation risk through the margin level percentage, calculated as equity divided by used margin. Each broker publishes a margin call level and a stop-out level in its product disclosure documents. When margin level falls to the stop-out threshold, the platform begins closing positions, usually starting with the largest losing trade, until margin level returns above the floor. Institutional desks monitor the same metric but typically operate well clear of stop-out by sizing positions against value at risk rather than maximum leverage. The desk treats forced liquidation as a structural failure of position sizing, not an unlucky event. Avoiding it means reserving free margin, sizing entries against account equity rather than available leverage, and respecting volatility expansion around scheduled releases such as CPI, NFP and FOMC decisions.
Worked example of a liquidation
A trader funds an account with 1,000 USD and opens a single EUR/USD position of one mini lot (10,000 units) at 1.0800. With 1:30 retail leverage, the used margin is roughly 360 USD, leaving 640 USD of free margin. If price moves to 1.0736, the unrealised loss is around 64 USD, and equity falls to 936 USD. If the broker’s stop-out level is 50 percent, liquidation triggers when equity hits 180 USD, requiring a loss of roughly 820 USD, or about 820 pips on this position. Larger position sizes shrink that buffer sharply, which is why oversizing remains the dominant cause of retail account blow-ups.
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Frequently asked
What is the difference between a margin call and a liquidation?
A margin call is a warning issued when the margin level falls to a defined threshold, often 100 percent, signalling that the account is approaching insufficient margin. Liquidation, sometimes called the stop-out, is the actual forced closure of positions when the margin level drops to a lower threshold, often 50 percent on retail accounts. The margin call asks the trader to act; liquidation removes that choice and closes trades automatically.
Can a trader lose more than their deposit through liquidation?
On retail accounts regulated under ESMA, FCA, ASIC and similar regimes, negative balance protection limits losses to deposited capital, so liquidation cannot leave the account owing money. Professional and offshore accounts often waive this protection, meaning a violent gap through the stop-out level, such as the Swiss franc move in January 2015, can produce a residual debt. Traders should confirm negative balance protection status in the client agreement before funding.
Which positions get liquidated first?
Most retail platforms close the position with the largest unrealised loss first, since this restores the margin level most efficiently. Some venues use a worst-first ranking by margin consumed, others close all positions simultaneously. The exact policy is set out in the broker’s execution and margin rules. Traders running multiple correlated positions should assume liquidation will not be orderly during fast markets and that slippage on stop-out fills can be material.
How is liquidation different on crypto exchanges?
Crypto perpetual futures use a similar concept but with much higher leverage, sometimes 50:1 or 100:1, and liquidations are routed through an insurance fund and an auto-deleveraging system rather than a simple stop-out. The liquidation price is published on the order ticket, and venues such as Binance and Bybit publish real-time liquidation feeds. The mechanism is harsher because price gaps in crypto are larger and exchange risk engines act in milliseconds.
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