The Quant Scientist

Al Brooks price action,
measured in code.

Learning Brooks from scratch and backtesting every concept in Python. No holy grails — just data, charts, and honest results.

1Concepts coded
10Planned concepts
PythonPrimary stack
ES · NQInstruments
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#01 May 31, 2026

I Coded Al Brooks' Buy Signal Bar in Python and Tested It on 23,000 Bars

What happens when you translate Al Brooks' most-used bullish entry trigger into a strict mathematical formula and backtest it on real SPY data? The results are more nuanced than you'd expect.

al-brookssignal-barspythonprice-actionbacktestingpandas