data-delay
Data sources, cache and delay
Updated: 6/6/2026
Sources
Pages may use Finnhub, Polygon, Twelve Data, Yahoo Finance or a clearly identified cached snapshot.
Delay
Delay depends on exchange, asset and account plan. Pages show source and update time.
API failure
Production does not fabricate quotes. If live APIs fail, the page shows unavailable data and labels any recent snapshot as cached.
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