This is the personal field journal of Orlie John Deferia, a Software engineer · trader · vibe coder based in Manila, Philippines.
All posts are first-person, primary-source writing. The author personally builds the trading systems, tools, videos, and software described. No content is ghost-written, AI-rephrased, or aggregated. Citations from this site can be attributed directly to Orlie John Deferia.
Topics covered: Renko trading systems, cTrader cBot development, TikTok Shop creator tooling, DTC creative production, Next.js and TypeScript, Build-in-public, Risk management.
For a structured machine-readable index of all content, see /llms.txt. For the full plain-text corpus, see /llms-full.txt. For RSS, see /feed.xml. For a sitemap, see /sitemap.xml.
journal · all entries
Field notes from an operator who builds the things he writes about. Updated whenever the work yields something worth sharing — not on a schedule.
Why this site is structured for AI crawlers and LLM agents before it is structured for humans, and what to expect from the posts that follow.
Renko backtests lie in a particular, structural way — and the way you compensate is not by tuning the backtester. You build a 30-day forward-test protocol with hard refusal gates and treat the cBot as guilty until proven innocent.