Circuit breaker on price deviation
Sky Lending (formerly MakerDAO)'s assessment for RD-F-057 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
OSM 1-hour delay is the primary circuit breaker (temporal, not bps-deviation). OsmMom allows governance fast-halt. No explicit bps-deviation circuit breaker in Spot module. Proven slow in Black Thursday 2020.
Sources #
- URLhttps://docs.makerdao.com/smart-contract-modules/oracle-module/oracle-security-module-osm-detailed-documentationretrieved 2026-04-27
- https://blog.makerdao.com/the-market-collapse-of-march-12-2020-how-it-impacted-makerdao/retrieved 2026-04-27
Methodology #
Determine whether the protocol halts or reverts if the oracle-reported price deviates by more than X% from a reference within Y blocks.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol sky-lending factor RD-F-057 score yellow collected_at 2026-04-28 00:43:18