손익계산 on Trading Bot Lab https://botlab.co.kr/tags/%EC%86%90%EC%9D%B5%EA%B3%84%EC%82%B0/ Recent content in 손익계산 on Trading Bot Lab Hugo ko-KR Fri, 31 Jul 2026 20:07:00 +0900 [개발일지] VV177 — 월간손익이 저절로 좋아지고 있었다 (Dev Log VV177: My Monthly P&L Was Improving All by Itself) https://botlab.co.kr/posts/vv177-seven-day-window/ Fri, 31 Jul 2026 20:07:00 +0900 https://botlab.co.kr/posts/vv177-seven-day-window/ 조회 API가 최근 7일만 돌려주자 오래된 손실이 조용히 증발했다. When the orders API silently capped its window at seven days, old losses simply disappeared from the books. [개발일지] VV162 — 258,020원이 장부에서 사라져 있었다 (Dev Log VV162: 258,020 Won Had Quietly Vanished From the Books) https://botlab.co.kr/posts/vv162-ledger-engine/ Wed, 29 Jul 2026 21:58:00 +0900 https://botlab.co.kr/posts/vv162-ledger-engine/ 봇의 계산을 손익의 정답으로 삼는 구조 자체가 문제였다. Treating the bot's own arithmetic as the source of truth was the bug, not any single line of code.