Polygon.io - Flat Files

US Stocks Data Flat Files

RAW Monthly Historical Data
Downloadable CSV Files


flat files

15+ Years of Historical Data

One Standardized Format


Trade Ticks

Polygon provides each and every trade message from all the US Exchanges and darkpools. This allows you to see into each candle stick to really understand what's happening in the market.

Quote Ticks

Top of book quotes give you more information into the sitting orders at the exchanges. Knowing the national best bid and offer provides insight for the next execution price(s).

Aggregates

Aggregates are extremely powerful for visualizing and understanding prices for a long or short range of time. We generate our own aggregates from the raw trade data for ultimate accuracy.

Data from All 16 US Stock Exchanges

CTA, UTP and OTC Markets

  • NYSE National, Inc.
  • NYSE Chicago, Inc.
  • NYSE Arca, Inc.
  • NYSE American LLC
  • New York Stock Exchange LLC
  • Nasdaq Stock Market LLC
  • Nasdaq PHLX LLC
  • Nasdaq ISE, LLC
  • OTC Markets
  • Nasdaq BX, Inc.
  • Investors Exchange LLC
  • Financial Industry Regulatory Authority, Inc.
  • Cboe Exchange, Inc.
  • Cboe EDGX Exchange, Inc.
  • Cboe EDGA Exchange, Inc.
  • Cboe BZX Exchange, Inc.
  • Cboe BYX Exchange, Inc.

Daily Aggregates


tickertimestampopenhighlowclosevolumevwaptransactions
REDF13511952000003.53.793.493.781177123.6831386

Minute Aggregates


tickertimestampopenhighlowclosevolumevwaptransactions
REDF13511718000003.53.53.53.526743.51

National Best Bid Offer


tickersip_timestampparticipant_timestamptrf_timestampsequence_numberconditionsindicatorsbid_pricebid_sizebid_exchangeask_priceask_sizeask_exchangetape
A1351168406327000000N/AN/A52697N/AN/A34.8721936.841111

Trades


tickersip_timestampparticipant_timestamptrf_timestampsequence_numberidorig_idcorrectionexchangetrf_idsizeconditionspricetape
A1337952620313000000N/AN/A35733573N/A02N/A100N/A41.021

Flat Files

Downloadable .csv files

  • 15+ years of historical data
  • One standardized format
  • 24K+ Symbol
  • All 16 US Exchanges
  • 100% Price Accuracy
  • Downloadable
  • Business and Market Pro Use
  • Redistribution

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Per Historical Month Pricing