Prices & market hours
Most of eUSD's collateral is stocks and ETFs, and stocks stop trading nights and weekends. eUSD keeps working around the clock: Chainlink prices every asset while markets are open, and when a feed goes quiet, a signed in-house price takes over inside a band around Chainlink's last price.
Where prices come from
| Source | When it is used | Limits |
|---|---|---|
| Chainlink | Primary source for every collateral, whenever its feed is live | Robinhood stock feeds report the token price directly |
| Signed in-house price | Only after the Chainlink feed has gone quiet, which for stocks means outside market hours | Must stay within a band of the last Chainlink answer, so a compromised signer cannot move a price far, and cannot quote at all while the feed is live |
Own's keeper pushes signed prices onchain outside market hours, so prices stay well inside the one-hour age limit at nights and weekends too. Anyone can verify each push: the oracle verifier emits PriceUpdated for every in-house price.
What needs a fresh price
The rule follows risk direction: actions that add risk need a price no older than an hour; exits that cannot hurt the system need none.
| Action | Price requirement |
|---|---|
| Mint eUSD | Fresh, at most 1 hour old |
| Withdraw collateral (with debt) | Fresh, at most 1 hour old |
| Redeem eUSD | Fresh, at most 1 hour old |
| Close, paying the fee from collateral | Fresh, at most 1 hour old |
| Repay | None |
| Close, burning the full debt | None |
| Withdraw collateral (no debt) | None |
| Liquidate | Latest price, no age bound |
| Stake / unstake eUSD | None |
A debtor can always repay and close, and an unsafe position can always be liquidated, whatever state the oracle is in.
Mint pause and disabled collateral
The operator can pause minting on one manager, and governance can disable one collateral. Both stop new risk only: deposits to new positions and minting. Repay, close, withdraw, redeem and liquidate keep working. The four managers are independent, so a pause on one group never touches the others.