Team Polygon - Polygon.io

Analyzing Market Sentiment with the Short Volume and Short Interest APIs

Learn how to use Polygon's Short Volume and Short Interest APIs to analyze market sentiment, spot short-selling trends, and identify potential short squeezes with real examples from NVDA and GME.

announcement

Benzinga Data Now Available on Polygon.io

Polygon.io is excited to announce a new partnership with Benzinga, significantly enhancing our financial data offerings. Benzinga’s detailed analyst ratings, corporate guidance, earnings reports, and structured financial news are now available through Polygon’s REST APIs.

release notes

Release Notes - June 2025

New APIs for short interest, short volume, and treasury yields. Benzinga data now available via expansion packs. Flat Files docs improved for easier access.

tutorial

Hunting Anomalies in the Stock Market

This tutorial demonstrates how to detect short-lived statistical anomalies in historical US stock market data by building tools to identify unusual trading patterns and visualize them through a user-friendly web interface.

release notes

Release Notes - September 2024

Explore the latest enhancements and tutorials in our September 2024 release notes, featuring new data center operations, advanced API functionalities, and comprehensive educational content designed to elevate your experience with Polygon.io.

announcement

Sentiment Analysis with Ticker News API Insights

Explore how Polygon.io's enhanced Ticker News API leverages advanced sentiment analysis for strategic market insights, featuring practical applications with real-world data.

tutorial

Analyzing the Market Impact of the CrowdStrike Outage

Explore our detailed case study on the CrowdStrike outage of July 2024, revealing critical insights into the Stock and Options markets' reactions, and demonstrating the power of Polygon.io's robust datasets.

announcement

Finding Connections with the Related Companies API

In this tutorial, we'll explore the capabilities of Polygon.io’s Related Companies API, where we learn how to identify and visualize intricate corporate relationships using Python and vis.js.

Understanding Nvidia's Stock Split Using the Stocks Splits API

The Nvidia stock split just occurred. Splits are not uncommon, and you need to ensure your algotrading systems continue to provide accurate market insights. Here's how you handle stock splits with Polygon.io

tutorial

Learn How to Download Historical Stock Market Data

Learn how to easily download stock market data with Polygon.io. This tutorial covers both web-based and S3 client access, ideal for anyone looking to analyze historical stock market data effectively.

release notes

Release Notes - April 2024

Polygon.io enhances platform capabilities with the launch of Flat Files now included with paid plans at no extra charge, significant progress on the Chicago data center, new integrations with everviz and QuantConnect, and valuable tutorials for using Flat Files and managing data streams efficiently.

tutorial

Deep Dive into Trade-Level Data with Flat Files

Explore stock market trades with Flat Files, an easy workflow for accessing and analyzing comprehensive trade-level data across all stocks on any given day.

announcement

Historical File Downloads Included In All Plans – No Really

Polygon now includes daily historical Flat Files in all paid plans at no extra charge, featuring a new web-based File Browser and S3 access for simplified data exploration and integration.

tutorial

Pattern for Non-Blocking WebSocket and REST Calls in Python

This tutorial provides a step-by-step guide on implementing non-blocking WebSocket and REST API calls in Python, demonstrating efficient real-time data processing techniques essential for high-volume streaming applications.

release notes

Release Notes - December 2023

We introduce enhanced WebSocket API features, expanded crypto offerings, improved data latency, Slack integration for system monitoring, along with insightful case studies and practical tutorials.

tutorial

Mapping Market Movements with Polygon.io and D3.js Treemap

Learn how to create an interactive Treemap visualization of stock market conditions using Polygon.io's Snapshot API and D3.js.

tutorial

Building a Unix top-inspired Tool to Monitor the Stock Market in Real-Time

In this tutorial, we will learn how to build a real-time stock market monitoring tool using Python and Polygon.io's API, inspired by Unix's top command, to process and visualize streaming trade data across the US stock market.

announcement

Release Notes - September 2023

We've introduced historical second aggregates based on user feedback, and enhanced our system monitoring to ensure you're always updated in real time.

tutorial

Polygon.io + Kotlin: Unlocking Real-Time and Historical Stock Market Data

A comprehensive guide for accessing market data using Polygon.io's APIs and the JVM client SDK written in the Kotlin programming language.

announcement

Release Notes - July 2023

We've been hard at work introducing new features such as our Universal Snapshot API, a Polygon plugin for ChatGPT, and Indices data. We've also made a number of improvements to our services and have some exciting case studies and tutorials to share with you.

case study

Case Study: Algorithmic Trading With Go

In this case study, we are excited to share an insider's perspective and look under the hood of how a Polygon.io customer built an automated retail trading bot that is capable of monitoring the entire stock market in real-time.

announcement

Track Movements Across Markets with our New Universal Snapshot API

Discover the newly launched Universal Snapshots API, a powerful tool providing streamlined and consistent market data across Stocks, Options, Indices, Forex, and Crypto assets, all in one API call - enhancing your market analysis and decision-making process.

announcement

Announcing the Polygon ChatGPT Plugin

Introducing the Polygon plugin for ChatGPT, a powerful tool that simplifies financial research by providing easy access to real-time and historical market data for Stocks, Options, Indices, Forex, and Crypto.

tutorial

Finding Correlation Between Stocks

Explore how to identify stock correlations and enhance portfolio diversification by building correlation matrices with Python and Polygon's python-client library in this comprehensive tutorial.

announcement

Indices Data Has Arrived

We are excited to announce the launch of the Indices API [https://polygon.io/docs/indices/getting-started] endpoints, offering real-time and historical market data for over 11,400+ Indices, including the S&