Liquidity Spiral
A liquidity spiral is a self-reinforcing process where a decline in asset prices leads to margin calls, which force liquidations, further depressing prices and triggering more margin calls. This feedback loop can quickly drain liquidity from a market, making it impossible to execute trades at fair prices.
In the context of derivatives, this is a major source of systemic risk, especially when market participants are highly leveraged. When the liquidity spiral begins, it can cause extreme volatility and market dislocation.
Clearing houses play a crucial role in trying to contain these spirals through orderly liquidation processes and circuit breakers. However, in extreme cases, the speed of the spiral can overwhelm these mechanisms.
Understanding the dynamics of liquidity spirals is vital for risk managers and regulators. It highlights the danger of excessive leverage and the importance of maintaining adequate liquidity buffers.
Preventing such spirals is a key goal of macro-prudential oversight.