CashCtrl aims to serve as the definitive open-source financial ledger API, abstracting away the immense complexity of multi-actor financial states.
alphasignal/ ├── data_ingestion/ # Market data fetching & feature engineering │ ├── fetcher.py # Yahoo Finance, Alpha Vantage, Polygon.io │ └── features.py # RSI, MACD, Bollinger Bands, EMA, ATR, OBV ...