Stablecoin Stability Index

How sound the stablecoin rails under agent payments are. A daily score from 0 to 100 — higher is worse.

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PSI today
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0 calm25 watch50 strained75 critical100

Since launch

Daily prints. Each print is struck once and never revised.

Reserve risk — who holds the money

The banks and custodians behind USDC and USDT reserves, from the issuers' latest attestations. Holders are named where they've been reported, but anyone not named in an attestation or published audit is unverified and scored as the riskiest kind of exposure.

HolderTypeReserves exposed
Scored to the SEC Rule 2a-7 money-market-fund standard. What changed in v1.2

Layering — dollars bridged to other chains

Tokens bridged off their home chain are claims on claims. The more of them, and the less traceable their bridge, the more fragile the system.

TokenHome chainBridgedUntraceable
Source: DeFiLlama stablecoins API.

Not measurable yet: the agent layer

The next tier of the dollar hierarchy — balances agents hold to pay each other — has no public data. PSI declares it rather than guess.