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Octagon

SEC filings, earnings calls, stock data and prediction-market research.

Install You sign in on Octagon's own page. No key to copy.

What GBrain can do with Octagon

Octagon is a market intelligence service with research agents over SEC filings for 8,000+ public companies, ten years of earnings call transcripts and financials, and daily stock data. Connected to a workspace, GBrain can answer “what did the last three 10-Ks say about this company’s China exposure?”, compare margins across a peer group, or summarize what prediction markets expect from an upcoming event.

Signing in happens on Octagon’s own page, and the connection only reads.

  • Search and extract data from SEC filings
  • Analyze earnings call transcripts and financial metrics
  • Run deep research on companies, themes and events
  • Report on prediction markets and their implied odds

From the command line

GBrain gives Octagon a command line too. From a terminal, a script or Claude Code, gbrainio tool help octagon lists its commands once it is connected.

Octagon from the command line

Install Octagon in a workspace

You sign in on Octagon's own page. No key to copy. Then add it to a workspace, and anyone on the team can ask about it in plain words.