US Core Market Data API | Intrinio

Flexible Access

This data is available via Web API, Excel, and CSV Download.

US Core Market data features real-time, historical, and end of day stock prices, as well as standardized and as-reported financials for US publicly traded companies. The data is sourced from the SEC, Nasdaq, NYSE, and other US-based exchanges, and run through our machine learning engine to ensure accuracy.

This is ideal for analysts, developers, and companies that need to power their analysis, website, or application, and are looking for a solution with simple pricing for both internal and display users, as well as a variety of access methods such as Excel, API, widgets, and bulk downloads. 


  • End of day stock prices for most US securities on the major exchanges, dating back to 1969. Our pricing data includes ETFs and ADRs/foreign issuers. It does not include OTC securities.
  • Simplified, composite stock quotes and prices for multi-exchange securities.
  • Fundamental history goes back to 2007 (see FAQs on the resources tab for more information).
  • Fundamental data and company news covers US-based public companies that file a 10-K or 10-Q statement and trade on the major US exchanges.
  • Standardized financial statements.
  • As-reported financial statements.
  • Upcoming and Recent IPOs (up to 30 days ago)
  • Today's prices and top-of-book data including bid, ask, size of bid/ask, last 10 trades, total trade volume, price, and more for companies listed on the BATS exchange (BZX).
  • Real-time prices, bid, ask, and last for securities trading on the Investors Exchange (IEX), accessible via REST API.

Quality Data You Can Trust

  • Company news is primarily sourced from Yahoo Finance, with history dating back to May 2016.
  • BATS 15 min delayed stock prices are provided by CBOE and are updated continuously throughout the trading day.
  • IEX real-time prices are accessible via REST API and provided by IEX and are updated in real time throughout the trading day.

About Intrinio

Intrinio makes securing the best financial data easier and more affordable than ever. Take your pick from hundreds of high-quality international and domestic feeds, many of which can be redistributed without penalty or additional fees. Let us clean up the messy parts of data collection and standardization so you can spend more time working on what matters.

Data Feeds

This data feed is a bundle of other data feeds. They are listed below.

BATS 15-Minute Delayed Stock Prices
Provided by Intrinio

15-minute delayed stock prices from the BATS exchange

BATS Intraday Stock Prices
Provided by Intrinio

Intraday bid, ask, and last prices/sizes and cumulative volume for all securities on the BATS exchange dating back to Jan 2 2019

Global Security Master
Provided by Intrinio

Security Info for every Stock Exchange in the World

IEX Intraday Stock Prices
Provided by Intrinio

Intraday bid, ask, and last prices and sizes for all securities trading on IEX dating back to Jan 2 2019

IEX Real-Time Stock Prices
Provided by Intrinio

Real-Time IEX Stock Prices, Bid, Ask, Last Price, Volume

US Company Fundamentals
Provided by Intrinio

Standardized and as-reported Financial Statement Data, News, and Valuation Ratios for public companies in the US

US EOD Stock Prices
Provided by Intrinio

EOD stock prices for US securities on the major exchanges

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  • US End of Day Stock Prices back to 1969, when applicable
  • US Company Financials back to 2007
  • Real-Time IEX Stock Prices, accessible via REST API
  • BATS 15-min Delayed Stock Prices
  • Intraday Stock Prices
  • Reference Data for US Companies
  • Security Master to Link Data Together Seamlessly
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