Polygon.io Real-time Stock Quotes API

Stock API

Stock API

Real Time & Historical Stock Market Data

Real Time & Historical Stock Market Data

Trusted by Top Companies, Governments, and Institutions.

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CTA, UTP and OTC

100% Market Coverage

With 100% market coverage you always know the latest and most accurate price for a stock ticker.

Market Data from All US Exchanges and OTC Venues

  • New York Stock Exchange LLC
  • NYSE National, Inc.
  • NYSE Chicago, Inc.
  • NYSE Arca, Inc.
  • NYSE American LLC
  • Nasdaq Stock Market LLC
  • Nasdaq BX, Inc.
  • Nasdaq PHLX LLC
  • Nasdaq ISE, LLC
  • 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.
  • Long Term Stock Exchange, Inc.
  • Members Exchange (MEMX)
  • MIAX Pearl, LLC (MIAX).
  • OTC
Exchange Networks
nyse
bats
cboe
nasdaq
iex
otcmarkets

Tick by Tick

See each and every Trade & Quote happening in the US in real time, and access trillions of rows of historical tick data in an instant using our stocks API.

Unlimited REST

There is no limit to how much you can use our stocks data API. No maximum queries per minute or daily call limits on all premium plans.

Low Latency

Our market data platform provides low latency real-time data with a mean latency of 20ms, orders of magnitude faster than competitors.

Snapshot APIs

See the entire market at a glance with our powerful Snapshot APIs. You can also query the gainers and losers for the current day.

Aggregates

1min - 1yr aggregate intervals. We allow you to query our aggregate stocks API in the size you want. 1 min, 7 mins, 16 days, anything is possible.

Transparent Pricing

Get stocks data directly from the source, and know exactly what you're going to pay. Don't waste time and money on sales or middlemen.

Equinix Data Center

Accurate, Fast, and Reliable

Complete redundancy, horizontally scalable, built on proven technologies.

< 1 millisecond

Ultra low latency APIs

Equinix NY Data Centers

Same data centers as the exchanges

1,000,000+

Messages per Second

Impeccable Reliability

Multiple redundancies

Institutional Level

Low Latency Data APIs

Polygon.io is located in the data centers with NYSE, NASDAQ, BATS, IEX and the other top exchanges. We connect directly to the exchanges to bring you institutional level data, that has previously been out of reach for most end users, fast.

Polygon.io Enterprise
Mean time of < 1ms
Polygon.io
Mean time of < 20ms
Active Tick
Mean time of ~180ms
iQFeed
Mean time of ~380ms
Equinix logo

Nanosecond Timestamps

Accurate to One Billionth of a Second

Polygon.io Timestamp: 156505318682285707

Aug 8, 2019 01:17:57.682285707

SIP Timestamp

Participant/Exchange Timestamp

Trade Reporting Facility (TRFs, Darkpools) Timestamp

Our market data APIs provide all the timestamps you need to know exactly where and when a trade occurred with nanosecond timestamp accuracy.

Competitor Timestamp: 156505318682

Aug 8, 2019 01:17:57.682

SIP Timestamp Only

Participant/Exchange Timestamp

Trade Reporting Facility (TRFs, Darkpools) Timestamp

Our competitors only offer millisecond timestamps, as well as only 1 timestamp attribute.

999,999 units of accuracy more than the competition

All Market Data Since 2004

15+ Years of Historical Tick Data

Trade Ticks

Polygon.io market data APIs provide each and every trade message from all US Exchanges and darkpools. Allowing you to see into each aggregate bar to truly 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).

Aggregate Bars

Our aggregates APIs 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.

Both unadjusted and split adjusted aggregates are available and can be generated in any size time window from 1min - 1yr. Now you can finally get the exact time windows you want, no matter the size.


Historical Stock Data APIs

Company Profiles & More

Reference Data APIs Included

We provide extensive reference data from the most accurate and reliable sources. All information is standardized and accessible via our reference data API endpoints for ease of use.

Reference Data API

Amazon Logo
Amazon.com Inc.
Specialty Retail

Amazon.com Inc is an online retailer. The Company sells its products through the website which provides services, such as advertising services and co-branded credit card agreements. It also offers electronic devices like Kindle e-readers and Fire tablets.

Success Stories

You're in Good Company

Google

Data for BigQuery

Polygon.io has teamed up with Google to provide BigQuery public dataset for stock data.
Motley Fool

Powering Fool.com

The Motley Fool uses Polygon.io to power one of the largest financial and investing advice websites in the world.
Revolut

Digital Banking & Trading

Revolut trusts Polygon.io to power their new trading application for US stocks.
Stocks Pricing
Instant Access. Cancel Anytime.
20% Discount
stocks
Basic
Great for trying our APIs

Free
  • End of Day Data
  • 5 API Calls / Minute
  • 2 Years Historical Data
  • 100% Market Coverage
  • Reference Data
  • Fundamental Data
  • Corporate Actions
  • Aggregate Bars

Individual Use
stocks
Starter
Great for aggregates

$29
/month
  • 15-minute Delayed Data
  • Unlimited API Calls
  • 5 Years Historical Data
  • 100% Market Coverage
  • Reference Data
  • Fundamental Data
  • Corporate Actions
  • Aggregate Bars
  • Snapshots
  • WebSocket

Individual Use
stocks
Developer
Great for historical data

$79
/month
  • 15-minute Delayed Data
  • Unlimited API Calls
  • 10 Years Historical Data
  • 100% Market Coverage
  • Reference Data
  • Fundamental Data
  • Corporate Actions
  • Aggregate Bars
  • Snapshots
  • WebSocket
  • Trades

Individual Use
stocks
Advanced
Popular
Great for real-time data

$200
/month
  • Real-time Data
  • Unlimited API Calls
  • 15+ Years Historical Data
  • 100% Market Coverage
  • Reference Data
  • Fundamental Data
  • Corporate Actions
  • Aggregate Bars
  • Snapshots
  • WebSocket
  • Trades
  • Quotes

Individual Use
Non-Pro Use Only
Polygon.io Enterprise Real-time Stock Quote APIs

Enterprise

For Businesses & Institutions

All Data APIs
Unlimited API Calls
< 1ms Latency
Cross Connects
Flat files
SLAs
Priority Support

Business Use
Commercial Use
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Not sure which plan to choose?

Contact Us

We’re always here to assist if you happen to need our help. Feel free to contact us and one of our team members will gladly walk you through choosing the right plan for you.
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We
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Happy
Customers

Polygon is a dream come true when compared to some of the largest players in the market. They provide excellent quality data through a modern API with no long term contract.
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Dan Aisen
Founder @ Proof Trading
Compare Stock Plans
20% Discount
stocks Comparison
Basic
Great for trying our APIs
Starter
Great for aggregates
Developer
Great for historical data
Advanced
Great for real-time data
Price
$29
/month
$79
/month
$200
/month
Timeframe
Which data you may access.
  • End of Day Data
  • 15-minute Delayed Data
  • 15-minute Delayed Data
  • Real-time Data
API Calls
How many API calls you can make.
  • 5 API Calls / Minute
  • Unlimited API Calls
  • Unlimited API Calls
  • Unlimited API Calls
Historical Data
The range of data you may access.
  • 2 Years Historical Data
  • 5 Years Historical Data
  • 10 Years Historical Data
  • 15+ Years Historical Data
Market Coverage
  • 100% Market Coverage
  • 100% Market Coverage
  • 100% Market Coverage
  • 100% Market Coverage
Reference Data
  • Reference Data
    • Tickers
    • Ticker Types
    • Ticker Details
    • Ticker News
    • Market Status
    • Market Holidays
    • Condition Mappings
  • Reference Data
    • Tickers
    • Ticker Types
    • Ticker Details
    • Ticker News
    • Market Status
    • Market Holidays
    • Condition Mappings
  • Reference Data
    • Tickers
    • Ticker Types
    • Ticker Details
    • Ticker News
    • Market Status
    • Market Holidays
    • Condition Mappings
  • Reference Data
    • Tickers
    • Ticker Types
    • Ticker Details
    • Ticker News
    • Market Status
    • Market Holidays
    • Condition Mappings
Fundamental Data
  • Fundamental Data
    • Stock Financials
  • Fundamental Data
    • Stock Financials
  • Fundamental Data
    • Stock Financials
  • Fundamental Data
    • Stock Financials
Corporate Actions
  • Corporate Actions
    • Stock Splits
    • Stock Dividends
  • Corporate Actions
    • Stock Splits
    • Stock Dividends
  • Corporate Actions
    • Stock Splits
    • Stock Dividends
  • Corporate Actions
    • Stock Splits
    • Stock Dividends
Aggregates
1 min, 5 min, and custom range minute / second aggregate bars including open, high, low, close and volume.
  • Aggregate Bars
    • 1 Minute Aggregates
    • 1 Hour Aggregates
    • 1 Day Aggregates
    • Custom Resolutions
    • Grouped Daily
    • Open / Close
    • Previous Close
  • Aggregate Bars
    • 1 Minute Aggregates
    • 1 Hour Aggregates
    • 1 Day Aggregates
    • Custom Resolutions
    • Grouped Daily
    • Open / Close
    • Previous Close
  • Aggregate Bars
    • 1 Minute Aggregates
    • 1 Hour Aggregates
    • 1 Day Aggregates
    • Custom Resolutions
    • Grouped Daily
    • Open / Close
    • Previous Close
  • Aggregate Bars
    • 1 Minute Aggregates
    • 1 Hour Aggregates
    • 1 Day Aggregates
    • Custom Resolutions
    • Grouped Daily
    • Open / Close
    • Previous Close
Snapshots
Snapshots provide an easy way to get the most up-to-date market data for a set of tickers.
  • Snapshots
    • Last Minute Aggregate
    • Last Day Aggregate
    • Previous Day Aggregate
  • Snapshots
    • Last Minute Aggregate
    • Last Day Aggregate
    • Previous Day Aggregate
    • Last Trade
  • Snapshots
    • Last Minute Aggregate
    • Last Day Aggregate
    • Previous Day Aggregate
    • Last Trade
    • Last Quote
WebSocket
WebSocket connection for streaming data.
  • WebSocket
  • Delayed Stocks Cluster
    • Aggregates / min
    • Aggregates / sec
  • WebSocket
  • Delayed Stocks Cluster
    • Aggregates / min
    • Aggregates / sec
    • Trades
  • WebSocket
  • Stocks Cluster
    • Aggregates / min
    • Aggregates / sec
    • Trades
    • Quotes
Trades
Get trades for a ticker.
  • Trades
    • Last Trade
    • Historical Trades
  • Trades
    • Last Trade
    • Historical Trades
Quotes
Get quotes for a ticker.
  • Quotes
    • Last Quote
    • Historical Quotes
Usage Restrictions
Individual Use
Individual Use
Individual Use
Individual Use
Non-Pro Use Only