Noisy Alpha

Quantify skill vs random luck

$0.99 · In‑App Purchases · Designed for iPad. Not verified for macOS.

Separate skill from luck. Model information ratio, tracking risk and multi-manager odds under clear assumptions, privately on your device. For PMs and CFA candidates. 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.

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• Noisy is now Noisy Alpha • Redesigned with Swift Charts and a calmer, clearer interface • Save and compare scenarios on your device • Goal Seek, teaching presets and full-screen charts • Share text, chart images or PDF summaries • Optional on-device Explain with Apple Foundation Models, plus offline tips • Home Screen widget and Shortcuts support

Version 2026.10.16

The developer, Joao Frasco, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Joao Frasco
    Size
    6.5 MB
    Category
    Education
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Joao Frasco
  • Developer Website
  • Privacy Policy

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