Long Liquidation
A long liquidation is the automatic closing of a leveraged long position when the price falls far enough that the remaining margin no longer meets the exchange's minimum. The position is sold for you, and most or all of the margin you posted is gone.
What happens in a long liquidation
A long position profits when the price rises. With leverage, you borrow buying power from the exchange, so a small deposit, called margin, controls a much larger position. Every price drop is subtracted from that margin first.
The exchange requires the margin to stay above a minimum, the maintenance margin. When losses push it below that line, the liquidation engine closes the position with a market sell order. The price at which this happens is your liquidation price. Most derivatives exchanges trigger it on the mark price, a fair-value price built from several spot markets, rather than on the last trade, to reduce the effect of brief wicks.
A worked example
Say you deposit 1,000 USDT and open a 10x long on bitcoin at 50,000. Your position is worth 10,000 USDT, or 0.2 BTC. Each 1,000 drop in the price costs you 200 USDT.
A 10% fall to 45,000 would wipe out the full 1,000 USDT. With a maintenance margin of 0.5%, the exchange steps in a little earlier, at roughly 45,200. You are closed out at a loss of around 960 USDT, and a liquidation fee or a transfer to the exchange's insurance fund usually takes most of what is left. If the price recovers to 52,000 an hour later, it no longer helps you.
Why long liquidations cluster
Liquidations are market sell orders, and they arrive exactly when the price is already falling. Each forced sale can push the price down to the next group of liquidation prices, which triggers more selling. This chain reaction is called a liquidation cascade, and in a market crowded with leveraged longs it can turn a moderate dip into a sharp, fast drop known as a long squeeze.
How people lose money
The most common mistake is high leverage: at 20x, a 5% move against you is enough to lose almost everything. In cross margin mode, the whole account balance backs every position, so one bad trade can drain funds you meant to keep separate. Adding margin to a losing long to avoid liquidation often just makes the eventual loss bigger.
Lower leverage, isolated margin, a stop-loss set well before the liquidation price and a position size you can afford to lose are the usual ways traders limit this risk. None of them removes it in fast markets, where prices can gap past a stop.
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Frequently asked questions
What does long liquidation mean in crypto?
It means a leveraged bet on rising prices was forcibly closed by the exchange because the price fell to the position's liquidation price and the margin was nearly used up.
Can I lose more than my margin in a long liquidation?
On most crypto derivatives exchanges, losses in isolated margin are limited to the margin of that position. In cross margin, your other balances on the account can be used as well.
Where can I see long liquidation data?
Many data sites aggregate reported liquidations from exchanges by side and size. Large spikes in long liquidations usually line up with sharp price drops.
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