Oracle price deviation >X% from secondary
Yearn Finance's assessment for RD-F-099 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
Oracle price deviation >1% from secondary source (phase-2 signal). Core yVault pricePerShare is derived from internal strategy accounting, not a DEX spot oracle of the vault token — making the vault core immune to external oracle deviation. Strategy layer: 19 Chainlink feeds identified in cache (advisory). No oracle deviation detected via public sources as of 2026-05-16. Note: full signal applicability for the strategy layer requires per-strategy oracle mapping (planned for phase-2 curator workflow). Signal not live in production pipeline.
Sources #
- DocsYearn Finance V3 Documentation — vault accountingYearn docs V3 overview: 'ERC-4626 compliant vaults; pricePerShare derived from internal strategy accounting.' yVault share price not sourced from external price oracle.retrieved 2026-05-16
- Yearn Finance data cache — oracle feeds (advisory)00-data-cache.json: sources.oracle_feeds[] lists 19 Chainlink feeds (ETH/USD, USDC/USD, USDT/USD, BTC/USD, COMP/USD, LINK/USD, UNI/USD, AVAX/USD). Cache note: advisory — must be verified against actual strategy imports.retrieved 2026-05-16
Methodology #
Detect whether the primary oracle's reported price deviates >X% from the best available secondary source (another feed or venue).
See the full factor methodology and distribution across all protocols →