Fundamental Analysis (the Analyst Agent)

This skill makes the analyst concrete: its inputs, sources, screens, outputs, and the non-negotiable rule that gates everything — a signal does not trade until a backtest says it should. It also encodes an honest, evidence-based verdict on what the analyst is for.

The verdict that shapes everything (read first)

We backtested the investable versions of the major stock-selection methods vs SPY over each ETF's full live history (backtests/fundamental_screens_backtest.py):