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Tradier

TRADIERA3 · direct accessManage supplier listing

US equities + options brokerage API with real-time, delayed, and historical market data over REST request/response plus HTTP and WebSocket streaming; public docs at docs.tradier.com (with an llms.txt spec), access via a Tradier account. Sandbox-vs-production terms and any free tier are NOT stated on the cited pages.

A sample dataset retrieved from the supplier.

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Universe, instruments and categories.

GICS sectors
US equitiesUS listed options
Instruments
stocksoptionsreal-time quotesdelayed quoteshistorical market datastreaming market data
Categories
brokerage & market data API
Regions
US
Sample tickers
SCHWHOODIBKRNDAQVIRT

Tradier has not added their own details yet. Not yet on file:

  • Dataset
  • Data dictionary
  • Coverage
  • Provenance
  • Rights & data handling