CEXs lie with fair prices. Here's how to catch it in real time

TL;DR: Pyth gets prices directly from institutional market makers (Citadel, Jane Street, Jump). When Binance/Gate/OKX diverges from that benchmark, even by 0.05%, it's measurable. Built a 3-screen dashboard to track it live across 30 assets. Link at bottom Every CEX claims to show 'the real price'. But price is not a single number - it's a probability distribution. Pyth Network doesn't scrape exchange prices. It receives data directly from first-party market makers - the firms that set prices, not react to them. That makes it a useful benchmark: when a CEX diverges from Pyth, it's not Pyth that's wrong. The confidence interval is the interesting part Every Pyth price comes with a CI - a range that reflects oracle uncertainty: Tight CI (±0.01%) = high agreement, deep liquidity Wide CI (±14%) = low publisher count, market closed, or disagreement I use CI as a signal threshold: Deviation inside CI = noise Deviation outside CI = potential signal (arb, liquidation hunt, latency) Concrete ex