Why the nightly scan stopped
For eleven weeks a nightly options-flow scan ran, and this site published it. It stopped because the evidence said it could not do what it was for. Here is what replaced it.
Yuxuan (Ewan) Li · Toronto
Builds AI systems. Applies them to markets. Trains with the same systematic bias.
Senior software engineer — MCP servers, AI agents and LLM integrations at scale. This site is a bio, a blog, and my paper trading, published the same day.
Writing
All postsPaper trading
The trading deskLatest sessionFri, Oct 23, 2026
Paper trading, not investment advice.
Selected projects
All projectsAgentPulse
AI-agent observability platform — a “Datadog for AI agents.”
Unusual Whales MCP Servers
A suite of 10 MCP servers (41 tools) for options-flow analysis.
Model Router MCP
Open-source MCP server that recommends the right Claude model per prompt.