Top 4 Open-Source Alternatives to Polygon.io

Polygon.io

Polygon.io offers streaming realtime data for stocks/equities, ETFs, Indecies and Forex/Currencies including crypto currencies. Our Real-Time Stock Data APIs help you build the future on fintech.

Product categories

Cryptocurrency Development Finance Finance Data API Fintech Investing Slack Tool Trading

Summary

The top open-source alternatives to Polygon.io are Twelve Data, Alpaca Trading API, and quantra. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Twelve Data Landing Page
1

Twelve Data

The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.
Pricing:
- Open Source
#Finance #Finance Data API #Fintech 6 social mentions
Alpaca Trading API Landing Page
2

Alpaca Trading API

Simple REST API for commission-free stock trading
Pricing:
- Open Source
#Finance #Trading #Fintech 57 social mentions
quantra Landing Page
3

quantra

A public API for quantitative finance made with Quantlib
Pricing:
- Open Source
#Development #Finance #Tool
Pyfolio Landing Page
4

Pyfolio

Pyfolio is a world-class python library that is all for the performance and risk analysis for the financial portfolios, working in collaboration with Zipline in order to provide backtesting support.
Pricing:
- Open Source
#Development #Finance #Tool