Depegging Contagion
Depegging contagion is the process by which the failure of one stablecoin or pegged asset to maintain its value triggers a cascade of failures in other related assets or protocols. Because many DeFi protocols use stablecoins as collateral, a loss of confidence in one can lead to a sell-off of others, creating a systemic shock.
This contagion is driven by the interconnectedness of liquidity pools, lending platforms, and derivative markets. When a peg breaks, participants rush to exit their positions, leading to a liquidity crunch that spreads to other assets.
This is a classic example of systems risk, where the failure of one component compromises the stability of the entire network. Behavioral game theory explains this as a shift in market sentiment where fear dominates, causing a flight to safety that ignores the fundamental differences between assets.
Contagion is difficult to stop once it begins, as it feeds on the fear and uncertainty of market participants.