About

A first-person quant research notebook by a developer who designs and runs trading systems.

Author

I build and operate automated trading systems and data pipelines (Korea Investment & Securities OpenAPI). Strategies span thematic/momentum and value/cash-flow regimes. I write from the real data these systems produce — verifiable analysis instead of vague forecasts. Numbers are computed in code; the words interpret them.

What this covers

• Data studies scoring a live system's decisions against a benchmark
• Strategy performance by market regime and signal (data and period stated)
• Practical guides to reading index, volatility, and risk indicators

Principles

Code computes the numbers; the article interprets them (Methodology). All content is information/education, not investment advice (Disclaimer).

Contact

Partnerships & inquiries: tjyjww@gmail.com