Dark Stone Capital

Lab notebook

The lab notebook of a small quant firm.

Dark Stone is a small systematic firm.

Read the journal About DSC
02 / THE METHOD SCROLL TO OBSERVE

Built in public

Markets are noisy.
Our process is not.

We research, build, test, and operate systematic strategies. This journal is the unpolished record: decisions, failures, and the engineering behind the book.

01Evidence firstResearch before narrative
02Risk definedSurvival before return
03Systems improveEvery outcome is data
03 / Journal

Notes from the edge.

Working notes from the lab — what we built, what broke, and what we learned.

Jul 03, 2026 Notebook 025 — We Sold AAPL, Passed on ARM, and Fixed the Book 6 min Jun 25, 2026 Notebook 024 — We Wiped the Board and Rebuilt ONYX 6 min Jun 21, 2026 Notebook 023-How We're Trading This Week: A Walk Through Strategic Command 9 min Jun 19, 2026 Notebook 022 - Geometry Won the Week 8 min Jun 16, 2026 Notebook 021 - The Lab Graded Itself 7 min Jun 10, 2026 Notebook 020 - Full Auto Bought Nothing 5 min Jun 07, 2026 Notebook 019 - The System Got Smaller 6 min Jun 05, 2026 Notebook 018 - Alerts Are Not Permission 6 min Jun 03, 2026 Notebook 017 - The Plan Stopped Being The Brain 9 min May 29, 2026 Notebook 015 - We Gave the Second Reader Hands 6 min