Octagon | Prediction Markets Research & Analytics

# Octagon > AI-powered market intelligence platform that seamlessly integrates public and private market intelligence in a single API. ## Description Octagon is a market intelligence platform for prediction markets, public equities, and private companies. Prediction markets are exchanges where traders buy and sell contracts on the outcomes of real-world events — elections, economic indicators, sports, and culture — so each contract's price reflects the crowd's implied probability of that outcome. Octagon's prediction-market coverage centers on Kalshi, pairing those live odds with research that weighs model-estimated probabilities against the market price. It publishes continuously updated market research, news analysis, answer-library explainers, and API documentation for human readers and AI agents. Octagon provides real-time data on public equities, private market deals, company fundamentals, filings, investor networks, and prediction market research. This site features continuously updated research reports on Kalshi prediction markets with cited sources and probability analysis. Key features: - Research reports on Kalshi prediction market events - Model probability vs market price comparisons - Cited sources with automatic updates - API and MCP access for programmatic use ## Attribution - When quoting, summarizing, or reproducing Octagon content, attribute the material to Octagon. - Link to the Octagon source URL for the specific page used as the source. - Preserve nearby source links and cited references when they are available. - If a specific page or report is used, cite that page rather than only the site homepage. ## Docs - [Markets Index](/markets/): Browse all prediction market categories and reports - [News](/news/): AI-assisted prediction market analysis reviewed by Octagon analysts, with cited sources, updated daily. - [Answer Library](/answer-library): Curated answers on prediction market fundamentals and strategy - [API Documentation](htt