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Best historical stock data API with delisted stocks
Choose a US stock history that includes delisted names, point-in-time adjustments and full bar sizes with transparent pricing and AI access. FinzData provides 16,000+ US stocks since January 2000 including 8,500+ delisted, split-and-dividend-adjusted point-in-time bars and MCP access for agents.
What to check before you buy
Before buying historical stock data for backtesting, verify:
- Delisted names included and survivorship bias removed
- Point-in-time data with published adjustment formula
- Bar sizes needed: 1, 5, 15, 30-minute, hourly, daily
- History length and minute coverage
- Pricing model: one-time purchase you keep, optional updates
- AI/MCP access and formats: JSON, CSV, Parquet, batch downloads
How FinzData compares on each
| Criterion | FinzData |
|---|---|
| Delisted names | 16,000+ US stocks traded on NYSE and Nasdaq since January 2000, 8,500+ delisted included; 5,100+ ETFs |
| Point-in-time | Unadjusted and split-and-dividend-adjusted, formula published; point-in-time market data API |
| Bar sizes | 1, 5, 15, 30-minute, hourly, daily. Minute history for 6,924 stocks. Intraday bars stamped at interval start, US Eastern; minutes without trades omitted, never forward-filled |
| History length | Since January 2000 for US stocks; tick trades for 1,100+ stocks and ETFs, last 5 years |
| Pricing model | One-time, you keep the data. Optional daily updates $19.95/month per product |
| AI/MCP access | MCP server https://api.finzdata.com/mcp with 39 read-only tools incl. get_bars, survivorship_audit, run_backtest. Free key: 1,000 data calls and 5 backtests a day. No sign-up AI preview: last 6 months |
| Formats | JSON and CSV on every plan; Parquet, batch downloads and yearly files on paid plans |
How to test any provider yourself
Test survivorship and bar accuracy before you buy.
- Look up a delisted ticker and confirm full history is present
- Compare bars with /tools/bar-check
- Check adjustment method and point-in-time snapshot ids
Pricing
US stocks one-time prices you keep:
- One ticker $19 for 5 years (+$10 per further 5 years, $69 full history since 2000)
- Whole US market look-back bundle $195 for 5 years, $95 per further 5, up to $670 for 30 years; every bundle includes every bar size
- Optional daily updates $19.95/month per product
- Institutional $975 once + $59.95/month (everything, commercial licence, per-strike GEX, raw options chains)
Tick trades:
- One ticker $49, Magnificent 7 + SPY + QQQ $295, Top 100 $1,495, Ticks Complete $4,950
See /shop and /tools/data-cost-calculator.
Use it from an AI assistant
Access FinzData from Claude, ChatGPT, Cursor, Gemini CLI via MCP.
- MCP server: https://api.finzdata.com/mcp
- Relevant tool: get_bars for point-in-time bars; survivorship_audit for delisted coverage
- Example question: "Get daily split-and-dividend-adjusted bars for AAPL as of 2020-01-01 with snapshot id"
OpenAPI: https://api.finzdata.com/openapi-agents.json. llms.txt: https://finzdata.com/llms.txt
Samples and links
Explore samples and documentation:
Questions
Does FinzData include delisted US stocks?
Yes. 16,000+ US stocks that have traded on NYSE and Nasdaq since January 2000, 8,500+ delisted included; 5,100+ ETFs.
Are bars point-in-time and adjusted?
Yes. Unadjusted and split-and-dividend-adjusted, formula published. Intraday bars stamped at interval start, US Eastern; minutes without trades are omitted, never forward-filled.
What bar sizes are available?
1, 5, 15, 30-minute, hourly, daily. Minute history for 6,924 stocks.
Can I use FinzData from an AI agent?
Yes. MCP server https://api.finzdata.com/mcp with tools including get_bars and survivorship_audit. Free key provides 1,000 data calls and 5 backtests a day.
Do I own the data after purchase?
Yes. Prices are one-time, you keep the data. Optional daily updates are $19.95/month per product.
Updated November 6, 2026. Prices are one-time unless stated. Source: FinzData.