📖Benjamin Graham

Quantitative Screening

🌿 Intermediate★★★★★

Use quantitative criteria to screen for value stocks. Ignoring valuation turns even good companies into poor investments. Overpaying compresses future returns and leaves little margin when assumptions are wrong. Estimate intrinsic value with conservative assumptions, set clear buy ranges, and act only when price offers a meaningful discount with acceptable downside. In Quantitative Screening, Benjamin Graham focuses on the gap between price and value. Returns come from paying less than what a business is worth, not from guessing short-term market moves. Key insight: Systematic screening removes emotional bias from stock selection.

Avoid misuse: Confusing a low price with true cheapness

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We recommend selecting stocks using quantitative criteria: earnings-to-price yield, dividend record, balance sheet strength, and moderate price-to-earnings ratios.

— _The Intelligent Investor_，1949

🏠 Everyday Analogy

Valuation is like buying a house: the asking price reflects mood, but true value comes from structure, location, and long-term utility. Good assets still need sensible prices.

📖 Core Interpretation

In Quantitative Screening, Benjamin Graham focuses on the gap between price and value. Returns come from paying less than what a business is worth, not from guessing short-term market moves.
💎 Key Insight：Systematic screening removes emotional bias from stock selection.

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❓ Why It Matters

Ignoring valuation turns even good companies into poor investments. Overpaying compresses future returns and leaves little margin when assumptions are wrong.

🎯 How to Practice

Estimate intrinsic value with conservative assumptions, set clear buy ranges, and act only when price offers a meaningful discount with acceptable downside.

⚠️ Common Pitfalls

✕Confusing a low price with true cheapness
✕Using one metric without business context
✕Overly optimistic assumptions that erase margin of safety

📚 Case Studies

1
Textile and Steel Net-Net Bargains (1974)
During the 1973–74 bear market, several small U.S. textile and steel companies traded below their net current asset value, reflecting deep pessimism about traditional manufacturing.
✨ Outcome：Graham-style investors buying a diversified basket saw strong gains as prices rebounded with the late‑1970s recovery.
2
Post‑Crisis Micro‑Cap Net-Nets (2009)
After the 2008 financial crisis, many micro‑cap industrial and consumer firms traded below NCAV due to forced selling and credit fears, despite remaining solvent.
✨ Outcome：Investors applying Graham’s NCAV discipline achieved large returns over 3–5 years as liquidity normalized and valuations mean‑reverted.

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