Liquidation Engine
A Liquidation Engine is the automated software component within a derivatives exchange responsible for monitoring positions and executing forced closures when margin requirements are breached. It operates in real-time, constantly comparing account balances against current market prices.
When a position hits the liquidation threshold, the engine takes control to sell or cover the position, ideally minimizing market impact. In the crypto sector, these engines are often designed to work in conjunction with smart contracts to ensure transparency and trust.
The engine must be highly efficient to handle sudden market crashes where many positions might trigger simultaneously. If the engine fails to close positions quickly enough, the exchange faces significant risk.
To mitigate this, some platforms use auto-deleveraging mechanisms to distribute the risk among other traders. The performance and reliability of this engine are core to the security of the trading platform.