Stablecoin Depeg: When the Peg Breaks

FunGibleTom · 2026-03-25T20:08:14+00:00

Depaging is when a stablecoin loses its peg to a designated value, affecting investment portfolio security. Understanding this concept is crucial as market trust issues, not technical failures, lead to depaging. Historical examples illustrate its risks, emphasizing the need for informed choices in selecting stablecoins.

FunGibleTom

2026-03-25 20:08:14

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Depegging is a phenomenon where a stablecoin, usually pegged to a specific value (commonly the dollar), loses that peg and begins to fluctuate like a regular token. Why should investors understand this concept? Because depegging directly impacts portfolio security.

How It Works and the Mechanism of Depegging

Stablecoins like Tether (USDT) promise to maintain a $1 value. But this value has no intrinsic worth — it depends on trust that the company’s accounts hold an equivalent amount of real money. When Tether Limited faces liquidity issues, regulatory pressure, or other difficulties, the risk of depegging arises. At that moment, the token starts to freely fluctuate on the market, and its price can fall below the target level.

It’s important to understand: depegging doesn’t happen due to technical failure but because of a loss of confidence among market participants in the issuer.

Historical Lessons: When Depegging Became Reality

The cryptocurrency market has experienced the consequences of depegging several times:

UST (Terra USD) in 2022 — the algorithmic stablecoin Terraform Labs completely collapsed. The token dropped from $1 to cents, becoming one of the industry’s biggest scandals.
BUSD and USDC in March 2023 — amid panic (FUD), both stablecoins temporarily lost their 1:1 parity with the dollar. This caused panic among holders and revealed vulnerabilities even in relatively stable assets.

Later in 2023, observers noted that the reliability of leading stablecoins significantly declined compared to earlier periods.

Why It’s Important to Monitor

Depegging is not just a theoretical risk. It’s a scenario that can destroy the strategy of any investor relying on stablecoins as an anchor for their portfolio. Understanding the depegging mechanism helps assess real risks and choose more reliable stablecoins with transparency and regulatory backing.

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