TOPS Viewer provides IEX's aggregated best quoted bid and offer position in real-time for all securities on IEX's displayed limit order book.

Available for web.

TOPS Viewer app


With the official IEX app you can:

  • View real time IEX statistics, including market share and volume predictions.
  • Watch market-wide volumes and market share.
  • Check historical IEX statistics.

Available for iOS and Android.

Download on the App Store Get it on Google Play

IEX mobile app


Near-real-time traded volume on the markets.

Available for web.

Market volume app


The IEX API is a set of RESTful services designed for developers and engineers. It can be used to build high-quality apps and services.

View the API docs.

IEX API icon