AlgoseekFree tier
Options Data APIs
Institutional US options (OPRA) data: historical trades, NBBO quotes and minute bars from 2015, plus real-time and delayed feeds.
Paid plans from$1,000/mo
Alpha Vantage
Stock, options, forex and economic data API; realtime and 15+ years of historical US options chains are premium endpoints.
Pricing: Alpha Vantage starts at $49.99/mo.
Best for
Developers who want one API for stocks, fundamentals and options chains
Notable features
- Realtime US options chains with optional Greeks and IV (premium)
- Historical options chains for any date since 2008 with IV and Greeks (premium)
- Free API key with 25 requests a day for most other endpoints
- JSON or CSV output, spreadsheet add-ons and an official MCP server
- Premium plans scale from 75 to 1,200 requests a minute
Pricing notes
Premium $49.99/mo (75 requests/min), $99.99 (150), $149.99 (300), $199.99 (600), $249.99 (1,200), with no daily limits. Annual plans are advertised as '2 months off'. Both options endpoints are marked Premium in the docs. Realtime US options data also needs a free data entitlement step in Alpha X Terminal.
Alternatives to Alpha Vantage
AlpacaFree tier
Options Data APIs
Developer trading API with commission-free multi-leg options, paper trading and market data.
Paid plans from$99/mo
Cboe's store for historical US options data files: end-of-day summaries, interval quotes and trades, with optional IV and Greeks.
Price not listed
Usage-based market data API with tick-level OPRA options data, plus futures and equities, through one historical and live API.
Price not listed
Financial data APIs, including a US stock options add-on with end-of-day chains, Greeks and IV for 6,000+ US stocks.
From$39.99/mo
Financial data APIs with real-time, delayed and historical US options data, including IV, Greeks and unusual activity.
From$150/mo
Alpha Vantage FAQ
How much does Alpha Vantage cost?
Alpha Vantage starts at $49.99/mo. Premium $49.99/mo (75 requests/min), $99.99 (150), $149.99 (300), $199.99 (600), $249.99 (1,200), with no daily limits. Annual plans are advertised as '2 months off'. Both options endpoints are marked Premium in the docs. Realtime US options data also needs a free data entitlement step in Alpha X Terminal.