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FinBrain Blog

Insights on AI-powered trading and alternative data

Combining Alternative Data Signals: A Practical Framework

Learn how to combine insider transactions, sentiment, options flow, and analyst ratings into a unified scoring system using Python and the FinBrain API.

How Hedge Funds Use Alternative Data

Discover how institutional investors use satellite imagery, sentiment analysis, insider filings, and other alternative data to gain an edge—and how retail investors can access similar signals.

How to Use LLMs for Investment Research

A practical guide to using large language models for investment research: screening stocks, synthesizing data, and building AI-powered research workflows with real-time market data.

Understanding Short Interest Data: What It Tells Investors

Learn what short interest is, how to interpret short interest ratios and days-to-cover, and why short squeezes happen when bears get crowded.

What is Unusual Options Activity and Why Traders Watch It

Learn what unusual options activity is, how to identify it using put/call ratios and volume data, and what it signals about institutional positioning.

Why Your AI Assistant Needs Real-Time Market Data

LLMs have knowledge cutoffs that limit investment research. Learn how MCP bridges the gap by connecting AI assistants to live alternative data feeds.

Patent Filings Data: What Innovation Signals Mean for Investors

Learn how patent filing data reveals R&D priorities, competitive positioning, and potential revenue streams for technology and pharmaceutical companies.

Government Contracts Data: Tracking Federal Spending for Investment Signals

Learn how government contract data reveals revenue opportunities, competitive positioning, and growth catalysts for defense, tech, and healthcare companies.

Corporate Lobbying Data: What It Reveals About Company Strategy

Learn how corporate lobbying data can provide insights into company priorities, regulatory risks, and potential policy tailwinds for investors.

Reddit Stock Mentions: Tracking Retail Investor Buzz

Learn how Reddit stock mentions from WallStreetBets and other subreddits can signal retail investor interest and potential stock moves.

Using LinkedIn Data for Investing: Employee and Follower Metrics

Learn how to use LinkedIn employee counts and follower growth as alternative data signals for investment analysis and company research.

Using App Store Data for Investing: A Guide to Mobile Metrics

Learn how to use app store ratings, downloads, and reviews as alternative data for investment analysis and company research.