I Built a Stock Monitoring Agent with OpenClaw, Exa, and Milvus for $20/Month
Mar 13, 2026Cheney Zhang

Summary
This post details the integration of Milvus Lite for storing personal trading history and preferences to build a stock monitoring agent. It describes creating three distinct collections ('decisions', 'preferences', 'patterns') with a 1536-dimensional embedding space to store different types of personal data. The post also outlines a memory extraction mechanism that uses an LLM to identify and deduplicate insights from conversations before storing them in Milvus, preventing redundant entries by checking for >92% similarity.
More from the AI Data Storage Engine trail
- Milvus Snapshots: Point-in-Time Collection Views Without Copying Data
- Announcing Milvus 3.0: Lake-Native Vector Search and a More Powerful Retrieval Engine
- How to Recover Milvus Data After etcd Corruption Without a Backup
- Open Tag: An Open-Source Claude Tag for Claude Code and Codex
- How Force Merge Compaction Nearly Doubled Milvus Search QPS