Noisy Alpha

Noisy Alpha helps portfolio managers, risk analysts and CFA candidates separate investment skill from market noise, under clear statistical assumptions, entirely on your device. SKILL VS LUCK, EXPLAINED • Information Ratio: fixed skill, implied alpha at a chosen tracking risk, and the probability of beating the benchmark at horizons from one month to twenty years • Tracking Risk: the zero-skill path, showing how often luck alone can clear an alpha target • Multiple Managers: a binomial model of how many independent managers may outperform BUILT FOR PROFESSIONAL INTUITION • Swift Charts density and probability views with hurdle and expected-alpha markers • Full-screen charts with ghost comparisons • Teaching presets for meetings and classrooms • Advanced educational metrics, such as IR × √T and years to reach a target probability • Optional on-device Explain, using Apple Foundation Models where available, with built-in educational tips on every other device • Share text, chart images or PDF summaries, each with disclaimers NOISY ALPHA PRO (ONE-TIME PURCHASE, NO SUBSCRIPTION) Core Information Ratio, Tracking Risk and independent multi-manager analysis stay free. Pro unlocks unlimited saved scenarios and compare, Goal Seek, correlated multi-manager stress, curriculum labs, rich PDF export and unlimited Explain. PRIVATE BY DESIGN • No account required • Your inputs and saved scenarios stay on your device • No third-party AI services IMPORTANT Noisy Alpha is an educational statistics tool. It does not provide investment advice, recommendations or forecasts. Probabilities depend on model assumptions (for example normally distributed active returns and independent managers where stated) and may not match real markets.