Fire sale

A fire sale in financial markets is the forced liquidation of assets at distressed prices, typically triggered by a liquidity crisis or margin call. Unlike ordinary selling, a fire sale is not a response to a change in the fundamental value of the assets being sold; it is a response to a cash-flow constraint. The seller needs liquidity immediately and cannot wait for favorable prices. The result is a price dislocation: assets trade below their "fundamental" value, creating apparent arbitrage opportunities for buyers with access to patient capital.

Fire sales are the primary mechanism by which localized funding stress becomes systemic credit contagion. When one institution sells assets to meet margin requirements, the resulting price decline weakens the balance sheets of other institutions holding the same assets, forcing them to sell as well. The spiral is self-reinforcing and can destroy market liquidity entirely: if every seller is forced and no buyer is willing to absorb the supply, prices collapse not to a new equilibrium but to a temporary vacuum.

The fire-sale mechanism reveals a deep asymmetry in financial markets: liquidity can evaporate in hours but recover only in months. The speed of collapse exceeds the speed of reconstruction by orders of magnitude.