Equity prices also come from Pyth, for the set of tickers Protos has a verified feed ID for (major names like AAPL, TSLA, NVDA, GOOGL, AMZN, COIN, and others).
The model is fenced off from making up a price. If a live source can’t be reached, Protos says so — it does not fall back to a guess, a stale cached number presented as current, or “roughly $X” from training data.
