APIs & SDKs
FinzData
Point-in-time market data API for backtesting and quantitative research
Market data API providing historical stock prices, options, futures, crypto, and macro data with point-in-time accuracy for backtesting across 16,000+ US
Overview
A look at finzdata.com
FinzData is a market data provider for quantitative researchers, combining pricing history, positioning data, and point-in-time fundamentals through a single API. The platform covers 16,000+ US stocks including delisted names dating back over 26 years, 5,100+ ETFs, 139 futures markets with every contract since 2007, point-in-time options and dealer gamma (GEX) data, 22,700+ macro series with historical vintages, COT positioning since 1986, and 13F institutional holdings since 2013. Data is available through a Python client mirroring yfinance calls and returns pandas DataFrames, plus an MCP server for AI agents. The service is built specifically to address common backtesting issues like survivorship bias, look-ahead bias, and data revisions by maintaining point-in-time accuracy across all datasets.
Feature notes
- 16,000+ US stocks including delisted names with 26+ years of history
- Point-in-time dealer gamma (GEX) for 11,209 stocks, ETFs and indexes since 2010
- 22,700+ macro series with historical vintages and revisions
- Intraday bars at 1-minute, 5-minute, 15-minute, 30-minute, hourly and daily resolutions
- SEC fundamentals and 13F institutional holdings point-in-time since 2013
- Python client with yfinance-style interface returning pandas DataFrames
- MCP server integration for AI agents including Claude and ChatGPT
- COT positioning data since 1986 for futures markets
- CSV and Parquet download formats with bulk file options
Pricing
Pricing model: Freemium
Free: 1,000 calls/day, last 12 months of data. Look-back history: $195 for 5 years (one-time), $290 for 10 years, $385 for 15 years, $480 for 20 years, $575 for 25 years, $670 for 30 years, plus $19.95/month for daily updates. Individual products: GEX from $29 per ticker, futures from $49 per market
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FAQ
- Is FinzData the same as Findata?
- No. FinzData is a US market data provider for quants, analysts and AI agents offering survivorship-free stock prices, futures history, options gamma, CPI and macro vintages, 13F and COT positioning. Findata is the Finnish social and health data permit authority.
- How far back does FinzData stock data go?
- US stock history goes back more than 26 years, with the 30-year bundle including all available data. The 5-year bundle reaches back to 2021, 10 years to 2016, and 15 years or more covers everything.
- What happens to my data if I cancel my subscription?
- The history you bought stays available as your plan describes. One-time history purchases are non-refundable once your key or download has been issued, but the data remains yours to use.
- How do I connect FinzData to Claude or ChatGPT?
- FinzData is a remote MCP server at https://api.finzdata.com/mcp. For ChatGPT, add the plugin from the directory and choose Connect. For Claude, add the connector from the Claude directory or use a custom connector with the URL and your API key.
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