Off-hours fair value for B20 tokenized US stocks.

Coinbase's B20 equity tokens trade 24/7 on Base, but the Chainlink oracle freezes at the closing bell. We surface the live DEX price, the frozen oracle, a modeled fair value during the gap, and a trust index scoring how much to weigh it.

API docs → Live JSON

Watchlist

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Trust index (0–100) = liquidity (40) + volume (20) + oracle freshness (15) + DEX-vs-oracle spread (15) + cross-pool agreement (10). Hover the score for the breakdown.

Data refresh every 30s · DEX via GeckoTerminal · oracle reference via public equity data

Endpoints

GET /watchlist/latest — latest snapshot for every instrument
GET /instruments/{ticker}/latest — newest snapshot with oracle / DEX / fair / trust fields
GET /instruments/{ticker}/history?window=24h — series
GET /instruments/{ticker}/accuracy — track record
GET /health — status