SumWorth

Strategy playbooks

Public research library

Research concepts.

Short definitions link to their scope, limitations, and related research paths.

Historical performance — How to read a portfolio's historical path, return observations, and drawdowns without turning the past into a promise.
Portfolio risk — A practical guide to volatility, drawdown, concentration, and exposure as different descriptions of portfolio uncertainty.
Data quality and evidence — Why source, coverage, freshness, currency basis, and missing observations belong beside every portfolio research result.