Duel Investment

macOS

Problem it solved

I had no honest benchmark for my own investing decisions.

My portfolio against an AI portfolio manager, head to head, on my own Mac.

AI workflow

  • Concept and build plan drafted with Claude
  • Sprints run in Claude Code with a fixed contract per sprint
  • An AI manager proposes trades; I keep my own book beside it

Features

  • Head-to-head returns
  • AI manager rationale
  • Local-first data

Software

  • Next.js
  • Prisma
  • Three.js
  • Claude API