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Chart Library vs Intrinio — the data feed versus what the data means.
Not competitors. Intrinio is an institutional-grade financial data API — real-time and historical prices, fundamentals, options, ESG — with the quality, coverage, and licensing serious shops need for raw inputs.
Chart Library sits a layer above any data vendor. It doesn’t resell feeds; for any (symbol, date, timeframe) it returns the cohort of historical analogs, what they did next, and a calibrated outcome distribution with an audit receipt — the interpretation layer an agent calls over API/MCP. Most production stacks pair a data API with a reasoning layer like this.
Inputs vs interpretation
- Intrinio = the financial record. Prices, fundamentals, options chains, ESG — clean, licensed data.
- Chart Library = the calibrated outcome read. For a setup: the analog cohort’s distribution, the drivers, and the receipt (nominal 80% band held 80.8% across 300K+ audited cases). Never a call.
- Orthogonal layers. A data API won’t tell you the historical odds after a shape; Chart Library won’t serve you a fundamentals feed. An agent uses both — inputs from a vendor, calibrated base rates from Chart Library.
Frequently asked questions
- Is Chart Library an Intrinio alternative?
- No — different layer. Intrinio serves raw institutional data; Chart Library is the calibrated cohort-intelligence layer that interprets a setup into a forward-return distribution. Pair Intrinio (or any vendor) for inputs with Chart Library for the outcome read.
- Does Chart Library provide prices, fundamentals, or options data?
- No. It's a retrieval-and-calibration engine over historical analogs, built to be called by agents. For market data, use Intrinio; Chart Library supplies the calibrated historical base rates.
- Does it forecast prices?
- Never. It surfaces what historical analogs did next as a calibrated distribution with a coverage receipt — similarity-only, no directional forecast.
Try it
Run a cohort_analyze call.
Free Sandbox tier — 1,000 calls/day, no authentication. MCP install for Claude or Cursor takes 30 seconds.