Liquidation in crypto futures trading is the forced closure of a leveraged position by an exchange's risk engine once account equity falls below the required maintenance margin, an automatic process designed to protect the exchange from a trader's losses exceeding their deposited collateral.
How exchange liquidation engines operate
When trading perpetual futures, an exchange requires traders to maintain a minimum margin balance relative to their open position size, known as the maintenance margin. If adverse price movement pushes position equity below that threshold, the exchange's liquidation engine steps in automatically, closes the position at the prevailing market price, and typically charges an additional liquidation fee on top of whatever losses had already accrued. This process happens without warning or negotiation the moment the threshold is crossed.
Calculating your liquidation buffer
Leverage compresses the distance between your entry price and your liquidation price dramatically. At 10x leverage, liquidation typically sits roughly 9% away from entry, a move that can happen within a single volatile session. At 20x leverage, that buffer shrinks to under 4.5%, meaning a routine liquidity wick, the kind that happens regularly around major news events, can trigger liquidation before a trader has any real chance to react manually. Higher leverage does not just increase potential reward, it compresses the room for the market to breathe before the position is closed against you.
Why a manual stop-loss still matters
Placing a stop-loss order at a logical structural level, well ahead of the calculated liquidation price, keeps a trader in control of the exit rather than leaving that decision to the exchange's automated engine. A stop-loss that triggers early costs a known, bounded amount. A liquidation, by contrast, often occurs at a worse price than a manual stop would have, since it executes into whatever liquidity is available at that exact moment, and it always includes an extra fee on top.
Portfolio-level leverage discipline
- Keep effective leverage across the entire portfolio, not just a single position, below roughly 3x total exposure relative to account equity.
- Factor ongoing funding rate payments into the cost of holding a leveraged position for an extended period, since funding can slowly erode margin even without adverse price movement.
- Avoid adding collateral to a losing position purely to delay liquidation, since this usually just converts a contained loss into a larger one once the underlying thesis has already failed.