When a leveraged position loses so much that your margin can no longer support it, the exchange forcibly closes the position to stop losses from exceeding your deposit — this is liquidation. The price that triggers it is the liquidation price.
Full Explanation+
01 · What is this?
Liquidation is a forced mechanism in leveraged trading. When you open a leveraged position with margin and price moves against you, your unrealized loss keeps eating into that margin; once it falls below a threshold (the maintenance margin), the exchange — to avoid you owing it money — closes your position at market. The price that triggers this is the liquidation price. After liquidation, the margin you put in is almost entirely gone and that position is over.
02 · Why does it exist?
Leverage lets you control a large position with little money, but that's a risk for the exchange — if price crashes and your loss exceeds your margin, in theory you'd owe the exchange money and it would eat the bad debt. To prevent this, exchanges built liquidation: before your loss exceeds your margin, they close the position, capping the loss within the margin you already put in. So liquidation is essentially the exchange's risk-control line, protecting the solvency of the exchange and other users, not your capital.
03 · How does it affect your decisions?
Once you understand liquidation, the first thing to calculate before any order is where your liquidation price sits. The higher the leverage, the closer it is to your entry — 10x liquidates at roughly a 9% drop, 20x at about 4.5%, 50x needs only a 1.8% adverse move to wipe you out. Crypto routinely wicks 5-10% in a candle, so high leverage hands your fate to random volatility. Second, liquidation is irreversible: even if the market later goes exactly your way, you're no longer in it. So real pros control not direction but how long they can survive before being shaken out.
04 · What should you do?
First, always confirm the liquidation price on the order page and ask: could the market touch this price before I'm proven right? Second, trade lower leverage to buy survival room — beginners should stay within 2-3x; for a given exposure, use more margin at low leverage rather than little margin at high leverage. Third, set a stop-loss and exit ahead of the liquidation price, keeping the decision in your hands rather than the liquidation engine's. Fourth, avoid heavy positions right before major data or events, when wicks happen most. Remember: the only good leverage is the leverage that keeps you alive to see the move.
Real-World Example+
You open a 10x BTC long with 1,000 USDT, entry at $60,000, controlling a $10,000 position; assume 0.5% maintenance margin. When BTC falls about 9% to roughly $54,600, your unrealized loss nears 1,000 USDT, margin bottoms out, and the system liquidates you at market — your 1,000 principal is almost entirely gone. The cruel part: if BTC then rebounds to $62,000, it's irrelevant to you — you were kicked out at $54,600. At 3x leverage, BTC would have to fall about 30% to hit liquidation, so your odds of surviving the wick are far higher.
Diagram
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Common Misconceptions+
✕ Misconception 1
× Misconception 1: Using cross margin means you won't get liquidated. Wrong. Cross margin simply uses all available balance in your account as margin — it delays liquidation, but once your whole account equity falls below maintenance margin you're still liquidated, and it takes your other positions down with it, often worse.
✕ Misconception 2
× Misconception 2: Getting liquidated just means losing part of the money on that trade. In reality, liquidation usually means the margin on that position is almost entirely wiped out, not a small loss; exchanges also charge a liquidation fee, so what's left is often less than you'd expect.
The Missing Link+
Direct Impact
Liquidation caps your maximum loss within your margin and stops you owing the exchange, but the cost is that it forces you out before any potential rebound, confiscating the chance to hold on until the move comes back.
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Crypto BibleGlossary
Intermediate
Liquidation
強制平倉
Liquidation = margin runs out, the exchange force-closes your position
The trigger is the liquidation price, set by leverage and margin
Higher leverage puts the liquidation price closer to entry — easier to get liquidated
After liquidation your margin is near-zero; a later recovery no longer helps you
Maintenance margin, reducing size, or adding margin can delay liquidation
The Missing Link
The cruelest part of liquidation isn't being wrong about direction — it's being right, but getting kicked out before the price comes back.