VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Wednesday, November 19, 2025

Tool Comparison

Magic Formula Investing vs Prospero.ai comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Prospero.ai includes ETF Screeners, Data Visualizations, Options & Derivatives, Watchlist, Alerts, Market Sentiment, Dark Pool & Off-Exchange, Scores, Education, Blogs, and Newsletters categories that Magic Formula Investing omits.

Prospero.ai offers mobile access, which Magic Formula Investing skips.

In depth comparison

Magic Formula Investing logo

Magic Formula Investing

magicformulainvesting.com

Free stock screener based on Joel Greenblatt’s Magic Formula strategy. Covers only U.S.-listed equities, excluding financials and utilities. Users choose a minimum market cap and get either 30 or 50 ranked results. Prices are updated daily on trading mornings, and fundamentals refresh quarterly. Free registration is required.

Platforms

Web

Pricing

Free

Quick highlights

  • Straightforward screener with only two inputs: minimum market cap (USD, millions) and number of results (30 or 50).
  • Universe restricted to U.S.-listed equities, excluding financial and utility companies.
  • Ranks companies on two factors: high earnings yield (low P/E) and high return on capital, with minor accounting adjustments.
  • Update cadence: price data refreshed daily around 8:00 AM ET on trading days; financial data updated quarterly.
  • Underlying data source is S&P Compustat. Official guidance suggests focusing on larger caps for less volatility and holding at least 20 stocks.

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Prospero.ai logo

Prospero.ai

prospero.ai

Mobile-first AI signals app for U.S. stocks & ETFs. Offers 10 proprietary signals (5 short-term: Net Options Sentiment, Net Social Sentiment, Net Institutional Flow, Dark Pool, Short Pressure; 5 long-term: Upside/Downside Breakout, Profitability, Growth, Market Similarity), plus a Daily Screener, ‘Our Picks’, watchlists, and notifications. No broker sync, public API, or advanced options greeks/IV surfaces are documented.

Platforms

Mobile

Pricing

Free

Quick highlights

  • Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity).
  • Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation).
  • Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term).
  • Mobile apps on iOS and Android with watchlists and in‑app notifications.
  • Education hub with plain‑English signal docs plus investing/trading newsletters (Substack).

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Where they differ

Prospero.ai

Distinct strengths include:

  • Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity).
  • Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation).
  • Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term).
  • Mobile apps on iOS and Android with watchlists and in‑app notifications.

Feature-by-feature breakdown

AttributeMagic Formula InvestingProspero.ai
Categories

Which research workflows each platform targets

Shared: Screeners, Stock Ideas

Shared: Screeners, Stock Ideas

Unique: ETF Screeners, Data Visualizations, Options & Derivatives, Watchlist, Alerts, Market Sentiment, Dark Pool & Off-Exchange, Scores, Education, Blogs, Newsletters

Asset types

Supported asset classes and universes

Stocks

Stocks, ETFs

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate

Platforms

Where you can access the product

Web

Mobile

Pricing

High-level pricing models

Free

Free

Key features

Core capabilities called out by each vendor

Unique

  • Straightforward screener with only two inputs: minimum market cap (USD, millions) and number of results (30 or 50).
  • Universe restricted to U.S.-listed equities, excluding financial and utility companies.
  • Ranks companies on two factors: high earnings yield (low P/E) and high return on capital, with minor accounting adjustments.
  • Update cadence: price data refreshed daily around 8:00 AM ET on trading days; financial data updated quarterly.
  • Underlying data source is S&P Compustat. Official guidance suggests focusing on larger caps for less volatility and holding at least 20 stocks.
  • Suggested rules: equal-dollar weighting, annual holding period (sell losses just before 1 year, gains just after 1 year) to optimize after-tax results.

Unique

  • Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity).
  • Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation).
  • Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term).
  • Mobile apps on iOS and Android with watchlists and in‑app notifications.
  • Education hub with plain‑English signal docs plus investing/trading newsletters (Substack).
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do Magic Formula Investing and Prospero.ai both support?

Both platforms cover Screeners, and Stock Ideas workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Magic Formula Investing and Prospero.ai require subscriptions?

Both Magic Formula Investing and Prospero.ai keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Prospero.ai ships a dedicated mobile experience, while Magic Formula Investing focuses on web or desktop access.

What unique strengths set the two platforms apart?

Magic Formula Investing differentiates itself with Straightforward screener with only two inputs: minimum market cap (USD, millions) and number of results (30 or 50)., Universe restricted to U.S.-listed equities, excluding financial and utility companies., and Ranks companies on two factors: high earnings yield (low P/E) and high return on capital, with minor accounting adjustments., whereas Prospero.ai stands out for Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity)., Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation)., and Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term)..

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Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.