delayed

Delayed.feed

15-Minute Delayed & Historical Market for All US Stocks

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Trusted by Top Companies, Governments, and Institutions
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Unlimited Access

Stock Market Data APIs

Stock API

Reference Data API

Stock WebSockets

WebSocket DocsRESTful Docs

CTA, UTP and OTC Markets

100% Market Coverage

Don't settle for 1 or 2 exchanges for your data. With 100% market coverage you always know the latest and most accurate price for a ticker.

Market Data from All 19 Exchanges

  • 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 Markets (coming soon)
Exchange Networks
nyse
bats
cboe
nasdaq
finra
iex
otcmarkets

Just a few of our features

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 APIs.

Unlimited REST

There is no limit to how much you can use our stock data APIs. 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 stock API in the size you want. 1 min, 7 mins, 16 days, anything is possible.

Transparent Pricing

Get stock 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 Datacenters

Same datacenters 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 datacenters 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 EnterpriseMean time of < 1ms
Polygon.ioMean time of < 20ms
Active TickMean time of ~180ms
iQFeedMean 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

Historical Stock Data APIs

1// Stocks TRADE:
2{
3    "ev": "T",              // Event Type
4    "sym": "MSFT",          // Symbol Ticker
5    "x": "4",               // Exchange ID
6    "p": 114.125,           // Price
7    "s": 100,               // Trade Size
8    "c": [0, 12],           // Trade Conditions
9    "t": 1536036818784      // Trade Timestamp ( Unix MS )
10}
11
12// Stocks QUOTE:
13{
14    "ev": "Q",              // Event Type
15    "sym": "MSFT",          // Symbol Ticker
16    "bx": "4",              // Bid Exchange ID
17    "bp": 114.125,          // Bid Price
18    "bs": 100,              // Bid Size
19    "ax": "7",              // Ask Exchange ID
20    "ap": 114.128,          // Ask Price
21    "as": 160,              // Ask Size
22    "c": 0,                 // Quote Condition
23    "t": 1536036818784      // Quote Timestamp ( Unix MS )
24}
25
26// Stocks Aggregate:
27{
28    "ev": "AM",             // Event Type ( A = Second Agg, AM = Minute Agg )
29    "sym": "MSFT",          // Symbol Ticker
30    "v": 10204,             // Tick Volume
31    "av": 200304,           // Accumulated Volume ( Today )
32    "op": 114.04,           // Today's official opening price
33    "vw": 114.4040,         // VWAP (Volume Weighted Average Price)
34    "o": 114.11,            // Tick Open Price
35    "c": 114.14,            // Tick Close Price
36    "h": 114.19,            // Tick High Price
37    "l": 114.09,            // Tick Low Price
38    "a": 114.1314,          // Tick Average / VWAP Price
39    "s": 1536036818784,     // Tick Start Timestamp ( Unix MS )
40    "e": 1536036818784,     // Tick End Timestamp ( Unix MS )
41}

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.

1// Company Profile:
2{
3    "logo": "https://s3.polygon.io/logos/amzn/logo.png",
4    "listdate": "1997-05-15",
5    "cik": "1018724",
6    "bloomberg": "EQ0021695200001000",
7    "lei": "ZXTILKJKG63JELOEG630",
8    "sic": 5961,
9    "country": "usa",
10    "industry": "Retail - Apparel & Specialty",
11    "sector": "Consumer Cyclical",
12    "marketcap": 791855354928,
13    "employees": 566000,
14    "phone": "+1 206 266-1000",
15    "ceo": "Jeffrey P. Bezos",
16    "url": "http://www.amazon.com",
17    "description": "Amazon.com Inc is an online retailer. The Company sells
18        its products through the website which provides services, such as
19        advertising services and co-branded credit card agreements. It also
20        offers electronic devices like Kindle e-readers and Fire tablets.",
21    "exchange": "Nasdaq Global Select",
22    "name": "Amazon.com Inc.",
23    "symbol": "AMZN",
24    "exchangeSymbol": "NGS",
25    "hq_address": "410 Terry Avenue North Seattle WA, 98109-5210",
26    "hq_state": "WA",
27    "hq_country": "USA",
28    "type": "CS",
29    "tags": [
30        "Consumer Cyclical",
31        "Specialty Retail",
32        "Retail - Apparel & Specialty"
33    ],
34    "similar": [
35        "MSFT",
36        "COST",
37        "EBAY",
38        "WMT",
39        "GOOGL"
40    ],
41    "active": true
42}
43

Use Any Language

Clients for All Major Development Languages

Create your application in any language. No more C++/Java limitations. Use the technology you already know, and spend your time creating, not integrating.

Getting Started
1package main
2import (
3    "fmt"
4    websocket "github.com/gorilla/websocket"
5)
6
7const APIKEY = "YOUR_API_KEY"
8const CHANNELS = "C.AUD/USD,C.USD/EUR,C.USD/JPY"
9
10func main(){
11    c, _, err := websocket.DefaultDialer.Dial("wss://socket.polygon.io/forex", nil )
12    if err != nil {
13        panic( err )
14    }
15    defer c.Close()
16    c.WriteMessage( websocket.TextMessage, []byte( fmt.Sprintf("{\"action\":\"auth\",\"params\":\"%s\"}", APIKEY) ) )
17    c.WriteMessage( websocket.TextMessage, []byte( fmt.Sprintf("{\"action\":\"subscribe\",\"params\":\"%s\"}", CHANNELS) ) )
18    var msg interface{}
19    for {
20        err := c.ReadJSON( &msg ); if err != nil {
21            panic( err )
22        }
23        fmt.Println( "Message:", msg )
24    }
25}
26

Sample Code

Client Libraries to Get Started

Examples to get you up and running in Go, Nodejs, Python, C# and more on our Github.

WebSocket Docs

Connect, Authenticate, Subscribe

Tick by tick data with low latency over TCP using standardized protocols.

RESTful API Docs

Get, Put, Post, Del

Structured, versioned JSON RESTful APIs allow you to make requests using any coding language.

Success Stories

You're in Good Company

Data for BigQuery

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

Powering Brokerage

Alpaca uses Polygon.io to power their cutting edge API first brokerage platform.

Digital Banking & Trading

Revolut trusts Polygon.io to power their new trading application for US stocks.

Compare Enterprise Plans

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Delayed.feed

For Business & Market Professionals

  • Delayed Stream
  • Unlimited API Calls
  • 15-minute Delayed Data
  • All Data APIs
  • 15+ Years of Historical Data
  • 24K+ Tickers
  • 100% Price Accuracy
  • All 19 US Exchanges
  • Business and Market Pro Use
  • Redistribution

Get Started Today

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$699/month+ exchange fees.
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