OCALive2025
Delta Stats
Setup backtesting on B3
Answers, ticker by ticker, whether a setup works on B3. Python collectors feed Postgres, and backtests run as SQL functions.
Boss
Market data arrives dirty and late. The collectors are incremental, idempotent and retry on their own.
What I built
- Python collectors on a GitHub Actions cron
- Backtests as functions inside Postgres
- React front end with Material UI
