All financial data is sourced from Yahoo!Ⓡ Finance, Nasdaq!Ⓡ, and the U.S. Department of the Treasury via publicly available APIs, and is intended for research and educational purposes. I will update the data regularly, and you are welcome to follow this project and use the data. Each time the data is updated, I will record the update time in spec.json. Use DuckDB or Python API or Terminal or AI Agents, including Claude Desktop, Manus, Codex, Hermes Agent, OpenClaw Agent, and others, to access data. When using defeatbeta-api, version 0.0.61 or later is required. Earlier versions use the legacy flat data/ paths and are incompatible with the current market-specific directory layout. All…