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A practical introduction to turning a market observation into a measurable hypothesis, reviewable evidence, and a clear limitation note.

A compact review card for documenting benchmark choice, bias checks, cost assumptions, and limitations.

A structured template for recording hypotheses, assumptions, evidence, decisions, and follow-up review notes.

References for evaluating historical simulations without overstating what they prove.

A pre-publication checklist for historical research summaries.

Historical strategy validation, assumptions, and reproducibility.

Research notes, experiments, and reproducible analysis.

A structured example showing how to document assumptions, costs, and limitations without presenting a signal.

Research setup troubleshooting: The research note reads like the result was known in advance

A research error where an analysis uses information that would not have been available at the simulated decision time.

Data reserved for evaluation after rules or parameters have been chosen on separate development data.

A research error caused by testing only observations that survived to the current sample.

The frictions that reduce implementable results, including fees, spreads, market impact, and other execution costs.