[ABOUT]

About LOPJLB Research

Mission

LOPJLB is an independent quantitative research desk focused on U.S. listed equities and ETFs. We publish daily algorithmic signals with full methodological disclosure: every directional call ships with its own profit factor, Sharpe ratio, win rate, and market regime context. Our goal is to eliminate decision fatigue for active traders, fund managers, and quantitatively-minded investors who need evidence-backed shortlists before the market open.

Research lead

Pierre Brunelle · Founder & Research Lead

Pierre Brunelle is a Franco-Swiss tech entrepreneur, quantitative researcher, and lifelong markets participant. Born in Paris, based in Seattle.

He opened his first brokerage account at 16 and has traded stocks, options, and futures for over two decades. SD50 and LOPJLB’s signal stack reflect years of live trading, backtesting, and iterative engineering.

He is CEO and co-founder of Pixeltable (open-source multimodal AI data infrastructure). Previously CEO and co-founder of Noteable (acquired by Confluent), with earlier product roles at Amazon CoreAI and AWS SageMaker.

Education: MRes in Decision Sciences and Risk Management (Arts et Métiers ParisTech / IAE Paris — Sorbonne Business School); MSc Civil Engineering (ESTP Paris). Research focus on temporality and probabilistic decision-making — classical statistics over black-box pattern matching.

x.com/lopjlb · www.researchgate.net/profile/Pierre-Brunelle · github.com/pixeltable

What we publish

Four proprietary signal families (Directional, Performance Score, Fundamental valuation, and HMM market regime) plus three public overlays (Triple Exhaustion, ATR trailing stop, 60-day HiLo Flip). Specialized scoring for ETFs, BDCs, REITs, CEFs, and preferred shares. The SD50 portfolio strategy demonstrates live application of the Performance Score signal with a documented 19.8% CAGR backtest over 246 months.

Organization

Published by LOPJLB Research, an independent research organization. We do not manage client assets, broker trades, or provide personalized investment advice. All research is for informational and educational purposes.

Contact: contact@lopjlb.com · @lopjlb

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