Institutional-grade real-time stock tracker for your next big project
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
client = RESTClient("API_KEY")
aggs = []
for a in client.list_aggs(
"AAPL",
1,
"minute",
"2022-01-01",
"2023-02-03",
limit=50000,
):
aggs.append(a)
print(aggs)
- Rows of Data
- 0 Trillion+
- Raw Data
- 0 Petabytes
- Uptime
- 0%
- Messages/sec
- 0 Million
Developer friendly access
Data for the entire universe of US stocks
- Company Tickers
- 10,413
- Historical Data
- 15 Years
- Market Coverage
- 100%
Timestamped to the nanosecond
Normalized real-time and historical market data
// Stocks TRADE:
{
"conditions": [
12,
37
],
"exchange": 4,
"id": "187115",
"participant_timestamp": 1679702398739000000,
"price": 160.23,
"sequence_number": 5739937,
"sip_timestamp": 1679702398741170000,
"size": 1,
"tape": 3,
"trf_id": 12,
"trf_timestamp": 1679702398741113300
}
Reference data included
Plus everything you need to know about a ticker and more
- Description
Apple designs a wide variety of consumer electronic devices, including smartphones (iPhone), tablets (iPad), PCs (Mac), smartwatches (Apple Watch), and AirPods. The iPhone makes up most of Apple's total revenue. In addition, Apple offers its customers a variety of services such as Apple Music, iCloud, Apple Care, Apple TV+, Apple Arcade, Apple Fitness, Apple Card, and Apple Pay, among others. Apple's products include internally developed software and semiconductors, and the firm is well known for its integration of hardware, software, semiconductors, and services. Apple's products are distributed online as well as through company-owned stores and third-party retailers. The company generates roughly 40% of its revenue from the Americas, with the remainder earned internationally.
- Market Capitalization
$2.66 Trillion
- Website
apple.com
- List Date
December 12, 1980
- Listing Exchange
Nasdaq

Apple Inc.
// Stocks Ticker Details:
{
"ticker": "AAPL",
"name": "Apple Inc.",
"market": "stocks",
"locale": "us",
"primary_exchange": "XNAS",
"type": "CS",
"active": true,
"currency_name": "usd",
"cik": "0000320193",
"composite_figi": "BBG000B9XRY4",
"share_class_figi": "BBG001S5N8V8",
"market_cap": 2666630778840,
"phone_number": "(408) 996-1010",
"address": {
"address1": "ONE APPLE PARK WAY",
"city": "CUPERTINO",
"state": "CA",
"postal_code": "95014"
},
"description": "Apple designs a wide variety of consumer electronic devices, including smartphones (iPhone), tablets (iPad), PCs (Mac), smartwatches (Apple Watch), and AirPods. The iPhone makes up most of Apple's total revenue. In addition, Apple offers its customers a variety of services such as Apple Music, iCloud, Apple Care, Apple TV+, Apple Arcade, Apple Fitness, Apple Card, and Apple Pay, among others. Apple's products include internally developed software and semiconductors, and the firm is well known for its integration of hardware, software, semiconductors, and services. Apple's products are distributed online as well as through company-owned stores and third-party retailers. The company generates roughly 40% of its revenue from the Americas, with the remainder earned internationally.",
"sic_code": "3571",
"sic_description": "ELECTRONIC COMPUTERS",
"ticker_root": "AAPL",
"homepage_url": "https://www.apple.com",
"total_employees": 164000,
"list_date": "1980-12-12",
"branding": {
"logo_url": "https://api.polygon.io/v1/reference/company-branding/d3d3LmFwcGxlLmNvbQ/images/2023-05-01_logo.svg",
"icon_url": "https://api.polygon.io/v1/reference/company-branding/d3d3LmFwcGxlLmNvbQ/images/2023-05-01_icon.jpeg"
},
"share_class_shares_outstanding": 15821950000,
"weighted_shares_outstanding": 15821946000,
"round_lot": 100
}
Deploy faster
Intuitive & easy-to-use APIs
Open, high, low, close, volume
SMA, EMA, RSI, and many more
See the entire market at a glance
Identifiers, logos, and more
Nanosecond timestamped trade events
Nanosecond timestamped quote events
Mission critical market data
Rigorous data quality
- Redundant networks.
- We operate two fully isolated networks to ingest and process data feeds, ensuring uninterrupted service even in the event of hardware failures.
- HA streaming.
- Data flows through our systems 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.
Intuitive and easy-to-use
Powerful data, simple access
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.
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.
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.
Rewriting the rules of Wall Street
More than just a Stock Market API
Shattering the status quo
Instant access
Relentless refinement
Modern historical data
Diverse market data APIs
Knowledge is power
Community-centric approach
Instant access. Cancel anytime.
Stocks data pricing
- All US Stocks Tickers
- 5 API Calls / Minute
- 2 Years Historical Data
- 100% Market Coverage
- End of Day Data
- Reference Data
- Fundamentals Data
- Corporate Actions
- Technical Indicators
- Minute Aggregates
- All US Stocks Tickers
- Unlimited API Calls
- 5 Years Historical Data
- 100% Market Coverage
- 15-minute Delayed Data
- Unlimited File Downloads
- Reference Data
- Fundamentals Data
- Corporate Actions
- Technical Indicators
- Minute Aggregates
- WebSockets
- Snapshot
- All US Stocks Tickers
- Unlimited API Calls
- 10 Years Historical Data
- 100% Market Coverage
- 15-minute Delayed Data
- Unlimited File Downloads
- Reference Data
- Fundamentals Data
- Corporate Actions
- Technical Indicators
- Minute Aggregates
- WebSockets
- Snapshot
- Second Aggregates
- Trades
- All US Stocks Tickers
- Unlimited API Calls
- 20+ Years Historical Data
- 100% Market Coverage
- Real-time Data
- Unlimited File Downloads
- Reference Data
- Fundamentals Data
- Corporate Actions
- Technical Indicators
- Minute Aggregates
- WebSockets
- Snapshot
- Second Aggregates
- Trades
- Quotes
Need data for your business?
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Frequently asked questions
- Title
- Does Polygon offer dark pool data?
- Data Coverage Category
Data Coverage
- Stocks Category
Stocks
- Description
- Yes, we provide dark pool data. If a trade comes through with an exchange ID of 4 (exchange:4) and also has an attached “trf_id” field, it came from a dark pool.
- Title
- Does Polygon offer pre-market and after-hours data?
- FAQ Category
FAQ
- Stocks Category
Stocks
- Description
- Yes, we provide data for every trade that occurs, including during pre-market and after-hours. Our tick-level market data streams during these extended hours as well.
- Title
- How does Polygon create the OHLCV (open, high, low, close, volume) aggregate bars?
- Aggregates Category
Aggregates
- FAQ Category
FAQ
- Stocks Category
Stocks
- Description
- Polygon uses the “Sale Conditions” attached to each trade to determine if that trade is eligible to update the aggregate
- Title
- Where does Polygon’s Stock data come from?
- Data Coverage Category
Data Coverage
- FAQ Category
FAQ
- Stocks Category
Stocks
- Description
- Polygon sources its U.S. stock market data from venues including the Securities Information Processors (SIPs), which consolidate quotes and trades from all exchanges, direct connections to major U.S. stock exchanges, FINRA Trading Facilities for off-exchange trades, the OTC Reporting Facility, Alternative Trading Systems (ATSs), and other data sources.
- Title
- Does Polygon have an endpoint that returns the latest trades, quotes and aggregates in one request?
- Aggregates Category
Aggregates
- Data Coverage Category
Data Coverage
- Stocks Category
Stocks
- Description
- Yes, we have a group of endpoints called Snapshots that return a ‘snapshot’ of the market for a single ticker, a group of tickers, or all tickers on the market.
Committed to every commit
Developers love Polygon
"Cannot speak highly enough of the @polygon_io service and support. Great team and great products :) #fintech #marketdata #stocks"

"I just want to say that the best platform for stock data BY FAR is @polygon_io Complete satisfaction thank you!"

"@polygon_io's API docs are beautiful. I can't seem to think of a better example of perfect documentation. Seriously impressed."

"Shoutout to the @polygon_io team for having really awesome interactive documentation! I love that the docs auto-generate an adjustable query string for you!"

Developer-friendly access
Explore more data
All US Exchanges + Darkpools
- Tickers
- 1,670,030+
- Coverage Start
- July 18, 2014
- Rows
- 722 Billion+
S&P, Dow Jones, FTSE, and more
- Tickers
- 11,409+
- Coverage Start
- March 9, 2023
- Rows
- 20 Million+
Forex and Crypto Currencies
- Tickers
- 1,750+
- Coverage Start
- September 24, 2009
- Rows
- 2 Billion+