spb/market-atlas

1# nasdaq-quote-api — validation only23`https://api.nasdaq.com/api/quote/<SYMBOL>/info?assetclass=stocks|etf` — the JSON behind nasdaq.com quote pages (delayed).45- **Type**: XHR · **Rights**: PUBLIC_RESTRICTED_REDISTRIBUTION → **validator role**: the consensus engine excludes it from the canonical value (`reason: validation_only`) but counts its agreement (`validator_count`) and flags disagreement (`validator_disagrees`). Values are never shown or streamed.6- **Family**: `nasdaq` — independent from Cboe, so a Cboe/Nasdaq agreement is a real cross-check for US equities.7- **Timestamps**: `lastTradeTimestamp` like "Sep 12, 2026 4:00 PM ET" or "Sep 10, 2026" (→ 16:00 ET) parsed with `parseNasdaqTime`.8- **Schedule**: every 5 min while Nasdaq is open (0.5 req/s → full universe in ~2.5 min), hourly closed, every 6 h on weekends.9