Auto-deleveraging is a risk mechanism on leveraged crypto derivatives venues that can close your profitable position without warning. It fires precisely when the market moves violently in your favor, and someone on the opposite side blows up so badly the venue cannot cover the shortfall any other way. You did nothing wrong. Your position is being reduced because it was working.

Why the math requires closing

Perpetual futures are zero-sum. Every long matches a short, and profit on one side is funded by loss on the other. If a losing trader’s collateral is exhausted and the market cannot close the position at a reasonable price, a shortfall appears. The venue has three sources to cover it: its insurance fund, its own capital, or the winning traders’ positions. Auto-deleveraging is the last option, exercised when the first two are exhausted. Without it, the venue would become insolvent, which is worse for everyone.

The risk waterfall

Venues maintain a sequence of defenses. First, maintenance margin triggers liquidation into the order book. Most stop there. If the market won’t absorb the position, an insurance fund or protocol vault steps in. Only when that buffer is drained does auto-deleveraging activate. Positions are closed at the bankruptcy price of the losing counterparty, not the market price, which feels arbitrary but keeps the venue solvent.

How you get selected

Selection follows a published formula based on unrealized profit, leverage, and position size. The most profitable and most leveraged positions rank highest and are reduced first. Many venues display your current rank in the queue, which is one of the most useful indicators you rarely check. The practical takeaway: lower leverage drops you down the list, and you can choose to take profit during extreme moves rather than being forcibly reduced.

What you can actually do

The honest list is short. Use less leverage—it widens your distance from liquidation and lowers your queue rank. Watch the rank indicator during volatile moves. Check the insurance fund or vault size relative to open interest; that tells you how much stress the venue can absorb. Prefer deep, liquid markets—deleveraging cascades start where liquidations can’t clear. Take profit deliberately when buffers are strained. Auto-deleveraging is not a bug; it’s the visible edge of a zero-sum system with finite collateral. The number on your screen is an estimate of what the other side can pay. In stressed conditions, it’s a forecast—and the venue is about to tell you it was optimistic.