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SungmanHan/README.md

Sungman Han

Java / Spring Boot — I build trading systems and then have to live with them. 자동화된 주식 종가배팅 시스템을 직접 만들고, 직접 운영합니다.

Code that runs unattended on weekday mornings and is wrong about money gets noticed fast. So most of what I publish here is the part that broke first — API pitfalls with the date I hit them, results I actually measured, and process that checks itself instead of asking to be trusted.

무인으로 돌아야 하고, 틀리면 돈으로 드러나는 코드를 씁니다. 그래서 공개하는 건 대체로 먼저 깨졌던 부분입니다 — 실측 날짜가 붙은 API 함정, 직접 측정한 결과, 그리고 신뢰를 요구하는 대신 스스로를 검증하는 프로세스.

Java 21 Spring Boot SQLite Python Claude API


Selected work · 주요 저장소

kiwoom-rest-api-java — Kiwoom Securities REST API, as actually used in production 키움 REST API 실전 기록 · 338 TR 기계판독 스펙 + 실운영 호출·파싱 코드 + 공식 문서에 없는 함정 모음

claude-design-pipeline — Design-doc-driven development for Claude Code, with the metrics to judge it 설계서 기반 개발 파이프라인 · 슬래시 명령 6개 + "머지 후 1주 내 재수정" 비율을 실제로 측정하는 스크립트

nexttheme-blog — Daily market notes, generated and published by the system itself 시스템이 매일 스스로 작성·발행하는 시장 기록 (저장소)

The system behind these (NextTheme) is private — screening pipeline, semi-automatic ordering, conditional stop-loss. 위 저장소들이 떼어져 나온 본체(NextTheme)는 비공개입니다 — 선별 파이프라인·반자동 발주·조건부 손절.


Also here: python_da · machineLearningStudy · opencvStudy · dron-study · vbscriptSampleCode — 학습·실험 기록

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  1. dron-study dron-study Public

    CodingDrone 파이썬 SDK 학습 기록

    Python

  2. machineLearningStudy machineLearningStudy Public

    Python

  3. opencvStudy opencvStudy Public

    Python

  4. python_da python_da Public

    파이썬 데이터 분석

    Python 1

  5. nodestudy nodestudy Public

    node study

    JavaScript