Polygon.io logo — Financial Market Data 
Built by Developers for Developers

Polygon.io

Financial Market Data Built by Developers for Developers

Founded 2016 United States Atlanta, United States 43 employees Series A Total: $6.35M API, Financial Services +2

General Information

Company Name Polygon.io
Founded Year 2016
Location United States Atlanta, United States
Employees 43
Industries API, Financial Services, Fintech +1
Funding Stage Series A
Social

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About Polygon.io

Polygon.io is a financial market data startup, with the mission to empower participation in the financial markets. Established in 2016 in the United States, Polygon.io offers fair access to market data through a developer-focused platform. The company received a significant $5.75M Series A investment on 16 September 2020, with the investment led by Headline and Green Visor Capital. As a firm operating within the API, Financial Services, Fintech, and Platforms industries, Polygon.io stands out for its commitment to providing accessible and innovative financial market data solutions.

Taxonomy: market data APIs, financial data, stock data, algorithmic trading, big data, finance, NYSE, NASDAQ, stocks, options, cryptocurrency, forex, indices, technical indicators

Services & Products

providing financial market data through modernized APIs and flat files

Target Customers

developers builders founders scholars traders financial app developers and robo-advisory firms

Funding Rounds & Investors (3)

View All
Funding Stage Amount Investors Lead Investors Date
Series A $5.75M 2
Headline, Green Visor Capital
16 Sep 2020
Convertible Note $100.00K 1
Green Visor Capital
02 Oct 2019
Convertible Note $500.00K 1
Green Visor Capital
12 Aug 2019

Polygon.io Alternatives & Competitors

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FAQ About Polygon.io

Financial Market Data Built by Developers for Developers
Polygon.io was founded in 2016.
Polygon.io is headquartered in Atlanta, United States.
Polygon.io operates in API, Financial Services, Fintech and Platforms. Its work centres on market data APIs, financial data, stock data and algorithmic trading. Its customers include developers, builders and founders.
Polygon.io has approximately 43 employees.
Polygon.io has completed 3 funding rounds, raising a total of $6.35M. The latest funding stage is Series A.
Polygon.io offers: providing financial market data through modernized APIs and flat files.
Top alternatives and competitors to Polygon.io include Bavest, QUANTUM TECHNOLOGY SOLUTIONS, ADVFN, lemon.markets, Crowdway. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Polygon.io and Bavest are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Polygon.io, https://bouncewatch.com/company/polygonio, updated 24 March 2025. When citing, please name BounceWatch and link this page.

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