Index data you've been searching for

Build models, backtest your strategies, and benchmark your success using Indices data designed for your needs.

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By developers for developers

Made for builders, founders, scholars, dabblers, and dreamers

Standardized JSON / CSV.
Our data is available in both JSON and CSV formats, making it easy for you to integrate it into your application.
Client Libraries.
Our client libraries make it simple to access and use our data, so you can spend less time worrying about the technical details and more time building your application.
Tutorials & Examples.
We know that getting started with a new API can be hard, which is why we provide tutorials and examples to help you get up and running in no time.
from polygon import RESTClient

# https://polygon.io/docs/indices/get_v2_aggs_ticker__indicesticker__range__multiplier___timespan___from___to
client = RESTClient("XXXXXX")

aggs = []
for a in client.list_aggs(
    "I:SPX",
    1,
    "day",
    "2023-03-10",
    "2023-05-12",
    limit=50000,
):
    aggs.append(a)

print(aggs)
Rows of Data
0 Trillion+
Raw Data
0 Petabytes
Uptime
0%
Messages/sec
0 Million
Index tickers
0
Major index groups
0 Feeds
Events per day
0 million

Mission critical market data

Rigorous data quality

Our multi-layered approach to data redundancy and backup ensures uninterrupted access to stock feeds, safeguarding your applications and tools against potential data loss.

Redundant Networks
We use 2 isolated networks to receive and consume stocks feed to prevent interruption in the event of hardware failures.
HA Steaming
Stock data flows through our system using a highly available messaging system ensuring uptime and speed.
Polygon Datastore
Historical data is stored in our nanosecond precision proprietary database - resulting in blazing fast API response times.
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Intuitive and easy-to-use

Powerful data, simple access

Choose the data access method that suits your needs and get started today.

Flat Files

Our S3 interface lets you access our flat files easily and seamlessly. With just a few clicks, you'll have the data you need to power your applications.

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API

Our Restful and WebSocket APIs provide flexible and powerful options for accessing our data. Whether you need real-time or historical data, we've got you covered.

View docs

SQL

Our SQL Query option lets you harness the power of SQL to access our data. With this flexible and intuitive option, you can easily customize queries to fit your needs.

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Deploy faster

Intuitive & easy-to-use APIs

Effortlessly integrate market data into your applications using our intuitive developer-friendly APIs and comprehensive documentation that streamlines the integration process, allowing you to focus on building your application.

Instant access. Cancel Anytime.

Indices data pricing

Unlimited access to indices data.

Payment frequency
Basic
Great for trying our APIs
$0/month
Sign up
  • Limited Index Tickers
  • 5 API Calls / Minute
  • 1+ Year Historical Data
  • End of Day Data
  • Reference Data
  • Technical Indicators
  • Minute Aggregates
Individual UseIndividual Use
Starter
Great for aggregates
$49/month
Sign up
  • WebSockets
  • All Index Tickers
  • Unlimited API Calls
  • 1+ Year Historical Data
  • 15-minute Delayed Data
  • Unlimited File Downloads
  • Reference Data
  • Technical Indicators
  • Minute Aggregates
  • Snapshot
Individual UseIndividual Use
Advanced
Great for real-time data
$99/month
Sign up
  • WebSockets
  • All Index Tickers
  • Unlimited API Calls
  • 1+ Year Historical Data
  • Real-time Data
  • Unlimited File Downloads
  • Reference Data
  • Technical Indicators
  • Minute Aggregates
  • Snapshot
Individual UseIndividual Use

Need data for your business?

Explore plans designed to fuel your company's growth and give you a competitive edge in the financial industry.

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What will you build?

Discover the power of a market data platform that breaks down barriers and levels the playing field.

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Frequently asked questions

Can’t find the answer you’re looking for? Check out our knowledge base or contact our team.

Developer friendly access

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We're committed to providing fair access to the financial markets for everyone, not just the big players on Wall Street. That's why we offer the same institutional-level data access to both companies and individuals alike.