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fixed sample: the first 20 of 311 bars for AAPL on 2024-01-02. Identical in shape to a paid /v1/query response. Takes no parameters — POST /v1/query to choose your own ticker, date and interval. Each bar carries both absolute prices (open, high, low, close) and fractional change from that day's open: pct = (price - day_open) / day_open, so open x (1 + pct_close) = close. day_open is the first bar of the session and includes pre-market, so a third-party 09:30 open will not reconcile with these percentages — the reference is the open reported by POST /v1/daily for the same ticker and date.","paid_equivalent":{"endpoint":"POST https://cabrini.ai/v1/query","price":"$0.025 USDC","body":{"ticker":"AAPL","date":"2024-01-02","interval":3}},"coverage":"All US equities, 2003-09 to present. Intraday 3m-240m, daily, plus SEC EDGAR fundamentals, filings and insiders.","pricing":"https://cabrini.ai/v1/pricing"}