Deconstructing a Failed Strategy: Was Anything Worth Saving?
A strategy redesign looked dramatically better in sample. A 2022 out-of-sample test exposed the hidden leverage, and the strategy was rejected before the final holdout.
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Quantitative Research
& Algorithmic Trading
Pattern recognition at machine scale. Strategy signals. Cloud automation. Education that ships.
Strategy: Offline
Site Uptime: 99.97%
Since: 2013
Verticals
Alpha Lab
Research & Signals
Quantitative alpha factor research. Systematic signal discovery, backtesting, and portfolio construction.
EXPLORE → Forge
Education & Building
Tutorials, courses, and code walkthroughs. Learn to build automated trading systems from scratch.
START BUILDING → BlackOps
Cloud Automation
Premium trading infrastructure automation. AWS cloud deployment, monitoring, and operations.
DEPLOY →What Clients Say
"Working with Brian on a fintech application was a pleasure. Not only is Brian very knowledgeable as a Chartered Financial Analyst, but he was a fantastic resource when it came down to programming the application itself. His Python skills are top notch, and he was able to introduce me to developer tools and practices that I still use today."
"I had the pleasure of working with Brian on our internal fintech application overhaul, where he demonstrated exceptional skills in data analytics and workflow automation. My project requirements were complex and a little fluid. However, his clear communication and proactive approach made collaboration seamless, resulting in a dramatic increase in my trading system's performance."
Recent
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Why the Best Backtest Metric Might Be the Wrong Optimizer Target
A walkforward optimizer objective test using geometric Martin as the out-of-sample path-quality judge.
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Before alpha, there must be trust
The first job of a serious research system is not to find alpha. It is to create the infrastructure where alpha can be trusted.
READ MORE →I haven't been absent. I've been building.
Three systems, one thesis: reliable judgment requires infrastructure.
READ MORE →Retail quant finance is a never-ending cycle of tutorials and Jupyter notebooks.
The notebook taught you theory, but not how to deploy.
READ MORE →Stay in the loop
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