Auto-Deleveraging (ADL) has become a key topic as traders face widespread liquidations in the perpetual contracts market. ADL is a critical mechanism that maintains market balance when liquidity is scarce and insurance funds are depleted. It operates by closing profitable short positions, particularly the largest and most profitable, when long positions are liquidated without new capital inflow. Despite its controversial nature, ADL serves as a crucial safety measure to ensure market solvency during extreme conditions.