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Five investment legends. Four scoring axes. 1,500+ stocks scored daily. These guides break down the models, the math, and the practical strategies behind the AlphaStocks scoring system.
What Is a Composite Stock Score?
How AlphaStocks combines Quality, Value, Momentum, and Timing into a single 0-10 rating for 1,500+ stocks.
5 min read
Piotroski F-Score Explained
The 9 financial health signals behind the Piotroski F-Score and how AlphaStocks uses them to assess company quality.
5 min read
Graham Fair Value: How to Estimate Intrinsic Worth
Benjamin Graham's intrinsic value formulas, his seven criteria for the defensive investor, and how AlphaStocks applies them to modern markets.
5 min read
Buffett Quality Investing: Owner Earnings, Moats & ROE
How Warren Buffett evaluates business quality using owner earnings, return on equity, moat signals in the numbers, and buyback discipline — and how AlphaStocks scores it.
5 min read
Lynch PEG Ratio: Growth at a Reasonable Price
Peter Lynch's PEG ratio identifies undervalued growth stocks. Learn the formula, dividend-adjusted PEG, Lynch's growth categories, and how AlphaStocks applies it.
5 min read
Greenblatt Magic Formula: Earnings Yield & Return on Capital
Joel Greenblatt's two-factor ranking system for finding cheap, high-quality stocks. Percentile ranking across 1,500+ stocks, sector exclusions, and role in the Value axis.
5 min read
What Are Value Traps and How to Avoid Them
Why cheap stocks sometimes keep falling, and how the Timing axis protects against value traps in stock screening.
4 min read
How to Read Stock Scores: A Beginner's Guide
What the 0-10 score means, how to interpret verdict labels, and a step-by-step guide to using the AlphaStocks screener.
4 min read
How to Use the AlphaStocks Stock Screener
Step-by-step guide to filtering 1,500+ stocks by composite score, sector, P/E, ROE, dividend yield, and 20+ other criteria.
5 min read
Financial Metrics Glossary
Definitions and formulas for P/E ratio, ROE, EPS, EBIT, PEG ratio, ROIC, and every key metric used in stock analysis.
6 min read
How Sector Calibration Works
Why banks and REITs are scored differently, and how 7 sector profiles decide which models apply, which fair value method is used, and the scoring weights.
5 min read
What Is Intrinsic Value? How to Calculate It
What intrinsic value means, how a DCF, the Graham formula and peer multiples each estimate it, and a worked example on live data.
8 min read
Finviz Alternative for Value Investors: Free Piotroski Screener
What Finviz, Morningstar, Simply Wall St, Stock Analysis and Yahoo Finance offer value investors for free, and where a Piotroski F-Score screener fits.
10 min read
Large Cap vs Mid Cap vs Small Cap — Which Stocks Should You Own?
Compare large-cap (S&P 500), mid-cap (S&P 400), and small-cap (S&P 600) stocks: historical returns, risk profiles, and which market cap segment fits your portfolio.
7 min read
MidCap Investing: Why S&P 400 Stocks Deserve Your Attention
What the S&P MidCap 400 is, what the size-premium research does and does not show, the risks, and how to screen mid-caps.
7 min read
What Is the S&P 1500? The Complete Investor Guide
The S&P Composite 1500 combines the S&P 500, MidCap 400, and SmallCap 600 — covering 90% of US market capitalization.
5 min read
Small Cap Value Investing: Evidence and Risks in the S&P 600
What Fama and French found about small-cap value stocks, why the premium is disputed, the risks, and how to screen S&P 600 value stocks for traps.
7 min read
Do MidCap Stocks Beat Large Caps? What the Evidence Shows
What Banz (1981) and Fama and French (1992) found, why the size premium is disputed, and when large caps have led.
7 min read
ADR Stocks Explained — How to Invest in Foreign Companies on US Exchanges
American Depositary Receipts (ADRs) let you buy foreign stocks like TSM, NVO, and ASML on US exchanges. Learn how ADRs work, their risks, and how to evaluate them.
7 min read
How to Find Undervalued Stocks — 5 Proven Methods
Learn 5 proven methods to find undervalued stocks: Graham's intrinsic value, PEG ratio, earnings yield, free cash flow analysis, and multi-model screening.
8 min read
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See the full scoring formula, jump straight to the screener, or run the numbers yourself.
AlphaStocks provides algorithm-generated research tools and educational content, not personalized investment advice. Always conduct your own due diligence and consult a qualified financial adviser before making investment decisions.