// GLOSSARY -- DEFI

What is Stablecoin Depeg?

1 min read Updated

A stablecoin depeg occurs when a stablecoin's market price deviates significantly from its target peg — caused by loss of confidence, reserve issues, algorithmic failures, or market stress.

WHY IT MATTERS

Depegs are the stablecoin nightmare scenario. When a stablecoin trades below its target, it triggers panic selling, further price decline, and potential cascading effects across all DeFi protocols that depend on it.

Notable depegs: UST/Luna (2022, total collapse of algorithmic stablecoin), USDC (2023, temporary depeg during Silicon Valley Bank crisis), and various smaller stablecoins. Each had different root causes but similar market dynamics.

Depeg risk is why stablecoin diversification matters. Protocols that accept only one stablecoin face concentration risk. Those accepting multiple stablecoins with independent risk profiles are more resilient.

FREQUENTLY ASKED QUESTIONS

What causes depegs?
Reserve insolvency (backing assets worth less than stablecoin supply), bank run dynamics (mass redemptions exceeding liquidity), algorithmic failure (mint/burn mechanism breaks), or contagion from counterparty failure.
How to protect against depeg risk?
Diversify across stablecoins with different backing (USDC + DAI + USDT), monitor reserve health, set automated positions to exit during early depeg signals, and avoid concentration in a single stablecoin.
Can fiat-backed stablecoins depeg?
Yes. USDC depegged when Circle's reserves were partially at Silicon Valley Bank. Even well-backed stablecoins face counterparty risk in their banking relationships.

FURTHER READING

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