The Acquirer's Multiple: Tobias Carlisle's Take on Deep Value

Tobias Carlisle's Acquirer's Multiple — enterprise value divided by operating earnings — is the metric that a private equity buyer or corporate acquirer actually uses when evaluating whether to buy a business. It's more powerful than P/E as a value signal, and the research behind it is compelling.

Why Enterprise Value, Not Market Cap

Market cap is what you pay for the equity. Enterprise value is what you pay for the whole business — equity plus debt, minus cash. A company with £100m market cap and £50m of net debt costs you £150m to acquire fully. Dividing by operating earnings (EBIT, not EPS) gives you the actual multiple you're paying for the business's earnings power before financial engineering.

Carlisle's Research: The Numbers

In his book "Deep Value," Carlisle showed that the cheapest decile of stocks by EV/EBIT produced 17.6% annual returns from 1965–2011, vs 11.2% for the S&P 500. The key insight: this outperformance was strongest precisely when stocks in the cheapest decile looked most distressed — meaning investors with the stomach to hold when things look worst are disproportionately rewarded.

Combining With DipBuster

The Acquirer's Multiple works best combined with a quality screen to filter out the genuine distress cases. DipBuster's Score incorporates EV/EBIT as one input alongside balance sheet health, insider signals and momentum. Stocks that score well across all four dimensions are the highest-conviction opportunities.