Joel Greenblatt on Special Situations, the Magic Formula, and Paying Up for Quality

Source: Richer, Wiser, Happier (RWH003) Host: William Green Speaker: Joel Greenblatt Date: ~2021–2022

Key ideas

Over 40 years, Greenblatt moved through three distinct investing styles: (1) hyper-concentrated special situations, where complexity created a margin of safety and unfair odds; (2) paying fair value for exceptional businesses after reverse-engineering Buffett’s Coca-Cola purchase; (3) diversified systematic portfolios ranking stocks by the Magic Formula metrics.
The Magic Formula reduces investing to two crude but powerful metrics: return on tangible capital (is this a good business?) and earnings yield (is it cheap?). Ranking the market by both and buying the top decile has beaten the market systematically since 1987 — even in order by decile (top beat second, second beat third, etc.).
Knowing what you own is the only reliable defence against market volatility. Concentration is only viable when you genuinely understand the business. If you do not know how to value a business, you will react to emotions because you have nothing else to react to.
Returning outside money: managing others’ capital adds emotional stress that cannot be justified if it makes you worse at the thing you love. Greenblatt returned all outside capital after 10 years to recover the joy of the game.
Success Academy applied the same replicable-model logic to education: find a prototype that works, measure outputs (student achievement) not inputs (teacher credentials), and scale only what replicates.

Summary

Stage 1 — Concentrated special situations (Gotham Capital, 1985–2000)

Joel Greenblatt began in risk arbitrage, disliked the asymmetry (win $1, lose $15), and shifted to the “perimeter” of deals — spin-offs, complicated recapitalisations, situations nobody else was looking at. The key principle: when you genuinely know what something is worth and no one else is looking at it, you can take a large position because the downside is small. He describes it as “almost not investing, almost cheating.”

The Host Marriott example: paid $4 for what he calculated was $6 in debt-free assets plus an additional business sitting in a subsidiary. The complexity kept other investors away. He put ~40% of the portfolio in it. He frames this not as boldness but as rational position-sizing: “If you find one of the best things you’ve ever seen and put 2% in it, that’s not getting it right — that’s getting it wrong.”

The Florida Cypress Gardens story: one of his first investments, a merger arbitrage deal, where the target literally fell into a sinkhole weeks before close. The lesson: “Things can happen that you don’t anticipate that aren’t really your fault.” He cites Howard Marks‘s line: “Experience is what you got when you didn’t get what you wanted.”

Gotham Capital produced 40% annualised over 20 years. After five years he returned half the money; after ten, all of it. The reason: managing outside money kept him awake at night and took away the enjoyment. “I would have been silly to take a business I love and make it something that keeps me up at night.”

Emotional resilience

Greenblatt acknowledges the “kick in the stomach” when losing money is real. His framework for enduring it: (1) adjust in two or three days, then look for opportunities; (2) know what you own — if your analytical premise is still intact, the price move is an opportunity, not a problem; (3) count your blessings.

He attributes a clean emotional recovery partly to having a concentrated portfolio only in things he genuinely understood. Without that understanding, investors react to market prices because they have no alternative benchmark. “If you don’t know how to value a business, you’re going to react to the emotions because you don’t actually understand what you own.”

Stage 2 — Paying fair value for great businesses

After a decade of special situations, Greenblatt wanted to own cheap-and-good companies but struggled to find enough. He returned capital partly for this reason. The evolution happened around 2000 when he reverse-engineered Buffett’s Coca-Cola purchase: adjusted for Moody’s higher capital efficiency (Moody’s reinvests less), he was effectively paying ~$13 for something Buffett bought at $10 equivalent — and Buffett had quadrupled his money on Coke. He concluded the premium was warranted.

This move — from cigar-butt discounts to quality compounders at fair prices — mirrors the Buffett/Munger evolution. The key insight: high return on tangible capital is the signal of a business that can deploy capital at high rates. If a new store earns 60% on capital, but there are only three possible locations, it is worse than a chain that earns 30% and can open a thousand stores.

He currently holds concentrated positions in Google, Amazon, and Microsoft alongside his systematic portfolios. “These are businesses like I’ve never seen in my career — I still don’t think they’re fully priced.”

Stage 3 — The Magic Formula

The Magic Formula is Greenblatt’s quantitative distillation of investing into two metrics:

Return on tangible capital — quality filter. Buffett’s actual criterion: high returns on the capital physically employed in the business (plant, equipment, working capital), stripped of intangibles.
Earnings yield — cheapness filter. Operating earnings divided by enterprise value. Cheap = high yield.

He ran the idea through backtesting from 1987. Results: not just that the top decile beat the market, but that the top decile beat the second decile beat the third, etc. — an ordered relationship by decile, not just top-vs-bottom.

On Tobias Carlisle’s “cheap-only” approach (using enterprise value / operating earnings without the quality screen): Greenblatt concedes it also works and may beat the market even more, but is more volatile. His Magic Formula adds the quality screen to protect individual investors from the emotional damage of a very volatile portfolio.

The Magic Formula is presented not as optimised output of thousands of back-tested combinations but as “one test of something that makes sense.” The intellectual honesty is deliberate: he chose two intuitive metrics and tested once — not data-mined.

Rob Goldstein — the “no man”

Greenblatt describes his partner Rob Goldstein as the “abominable no man” — invoking the Buffett/Munger analogy. Goldstein will not agree to any idea until he has done his own work; no deference based on Greenblatt’s track record. Both partners focus solely on getting to the right answer, which requires being willing to tell each other they are wrong. Ideas that get past both are usually good.

He notes that brilliant solo investors sometimes make catastrophic errors because there is no one they will listen to. Goldstein’s independence is the prevention mechanism.

Value Investors Club

In 1999, Greenblatt and partner John Petry founded the Value Investors Club — an online community where entry required submitting an investment write-up good enough to earn an “A+” in Greenblatt’s Columbia class. The bar was set high deliberately to filter signal from noise. The community became a discovery mechanism for talent: he identified Michael Burry and Norbert Lou this way, each time because their write-ups answered questions in exactly the sequence he would have asked them.

Success Academy

Greenblatt and John Petry approached education reform as a business problem: find a replicable model, measure outputs (student achievement) not inputs (teacher credentials or curriculum), prototype, then scale. They hired Eva Moskowitz to lead it. Success Academy now runs 47 schools with ~23,000 students — predominantly low-income, minority students who outperform the wealthiest school districts in New York.

The parallel to investing: he was not looking for top 1% teachers any more than he was looking for top 1% stock picks. He was looking for a system that made average teachers excellent and scaled.

Speakers

Joel Greenblatt — founder of Gotham Capital; author of You Can Be a Stock Market Genius, The Little Book That Beats the Market, and The Big Secret for the Small Investor; former professor at Columbia Business School; co-founder of Value Investors Club and Success Academy
William Green — host of Richer, Wiser, Happier; author of Richer, Wiser, Happier (2021)