critical
resolved
oracle

RADAR-20260822-7319B145

Chainlink ETH/USD on Arbitrum differs from Pyth ETH/USD beyond configured threshold.

Overview

What happened

Chainlink ETH/USD on Arbitrum diverged from its Pyth reference beyond the configured comparison threshold.

Why it matters

Cross-source pricing alignment affects how confidently Radar can treat current pricing conditions.

Status

Radar marked this reference alignment condition resolved after the monitor no longer observed the threshold breach.

Next watch

Watch for the deviation to compress below threshold while both sources remain fresh and comparable.

Alert details

Monitor type

oracle

Provider

oracle_reference

Chain

Arbitrum

Asset

ETH

Threshold rule

Critical Deviation Threshold

Observed value

Observed deviation: 31 bps

Applied threshold

15 bps

Created

Updated

Evidence and context

Severity explanation

Radar classifies this as critical because the observed cross-source price gap exceeded the configured critical deviation threshold.

Threshold context

Observed deviation 31 bps is above the 15 bps critical deviation threshold for ETH/USD on Arbitrum.

Evidence explanation

Observed values: chainlink 2405.57 vs pyth 2413.04 | deviation 31 bps. Expected threshold: threshold 15 bps.

Evidence summary

Chainlink ETH/USD on Arbitrum differs from Pyth ETH/USD beyond configured threshold.

Human risk summary

Cross-source pricing disagreement is elevated, so operators should treat source alignment as degraded until the deviation compresses.

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