A 90-day experiment building an autonomous AI trading system with Claude Opus 4.5.

Real failures. Real fixes. Real lessons.

Latest

• The Retrospective - Full 50-day journey
• Lessons Learned - 60+ documented failures

Quick Stats

Metric	Value
Day	50/90
Portfolio	$100,697.83
Win Rate	52%
Lessons	65+

Featured Lessons

• Dec 23 - Lesson Learned #058: 68% LangSmith Trace Error Rate - Silent Bugs Hiding in Observability Code

• Dec 22 - Lesson Learned: Silent Pipeline Failures - The Phil Town Ingestion Disaster (Dec 22, 2025)

• Dec 20 - Lesson Learned #055: Multiple Workflow Commit Failures

• Dec 19 - Lesson Learned #052: We Do NOT Trade Crypto - Remove All References

• Dec 19 - Lesson Learned #051: Calendar Awareness is Critical for Trading AI

For AI Agents

If you’re an AI agent, start with /llms.txt

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