Earnings Yield

What is Earnings Yield?

Earnings yield is a valuation metric that expresses a company's earnings per share (EPS) as a percentage of its stock price. It is mathematically the inverse of the PE ratio and answers the question: for every dollar I invest in this stock, how many cents of annual earnings am I buying?

If a stock trades at $100 and earns $5 per share, its earnings yield is 5%. This means you are getting a 5% return on your investment in terms of the company's earning power, regardless of whether those earnings are paid as dividends or reinvested in the business.

The concept is simple but powerful. By converting the PE ratio into a yield, investors can directly compare the return offered by stocks against bonds, savings accounts, and other income-producing assets. This cross-asset comparison makes earnings yield a critical tool for asset allocation decisions.

Joel Greenblatt, author of "The Little Book That Beats the Market," made earnings yield central to his Magic Formula investing strategy. His version uses EBIT (earnings before interest and taxes) divided by enterprise value rather than EPS divided by price, which accounts for differences in capital structure and tax rates. Both versions share the same core principle: buying more earnings per dollar invested leads to better long-term returns.

For value investors, earnings yield is a natural way to think about stock valuation because it frames the investment in terms of return rather than a multiple, making it easier to assess whether a stock offers adequate compensation for its risk.

How to Calculate Earnings Yield

The standard earnings yield formula is:

Or equivalently:

For example, a stock with a PE ratio of 15 has an earnings yield of 6.67% (1/15 = 0.0667). A stock with a PE of 25 has an earnings yield of 4% (1/25 = 0.04).

Greenblatt's version, often used in quantitative screening, adjusts the formula:

Where enterprise value equals market capitalization plus debt minus cash. This version is more useful for comparing companies because it neutralizes the effects of different capital structures and tax situations.

Some analysts also calculate free cash flow yield, a related but distinct metric:

Free cash flow yield is often considered more reliable than earnings yield because free cash flow is harder to manipulate through accounting choices.

When calculating earnings yield, be consistent about which earnings figure you use. Trailing twelve months (TTM) earnings give a factual baseline. Forward earnings estimates incorporate growth expectations but depend on the accuracy of analyst forecasts.

What is a Good Earnings Yield?

The appropriate earnings yield depends on interest rates, market conditions, and the company's risk profile. However, there are useful benchmarks.

Relative to bond yields: The earnings yield of the stock market is often compared to the 10-year Treasury yield. When the earnings yield significantly exceeds the bond yield, stocks are relatively attractive. When they converge or bonds yield more, stocks become less compelling on a relative basis. This spread is called the equity risk premium.

Historical averages: The S&P 500 has historically traded at a PE ratio between 15 and 20, corresponding to an earnings yield of 5% to 6.7%. Individual stocks with earnings yields above 7-8% are generally in value territory, while those below 3-4% are in growth or premium territory.

Greenblatt's approach: In his Magic Formula, Greenblatt ranked stocks by earnings yield (EBIT/EV) and combined that ranking with return on capital. He did not set a fixed threshold, instead focusing on relative rankings. The stocks in the top decile for both earnings yield and return on capital produced market-beating returns over long periods.

General guidelines for individual stocks:

• Above 10%: Deep value territory. The stock is cheap relative to current earnings, but investigate whether earnings are sustainable.
• 6% to 10%: Attractive for established, stable businesses.
• 4% to 6%: Fairly valued for moderate growth companies.
• Below 4%: Typically growth stocks where the market is paying for future earnings expansion rather than current profitability.

Earnings Yield in Practice

Earnings yield is most useful in three key contexts.

Comparing stocks to bonds: An investor choosing between a corporate bond yielding 5% and a stock with an earnings yield of 8% can see that the stock offers 3 percentage points more in earnings power. However, stocks are riskier, so the investor must decide whether the extra 3% compensates for that risk. When interest rates rise and bond yields increase, stocks with low earnings yields become less competitive, which often leads to market corrections. This dynamic was visible in 2022 when rising rates made high-PE growth stocks significantly less attractive.

Quantitative value screening: Many systematic investment strategies use earnings yield as a primary ranking factor. The idea is simple: buy the stocks with the highest earnings yields (lowest PE ratios) and rebalance periodically. Research by academics like Eugene Fama and Kenneth French has shown that high earnings yield (value) stocks have historically outperformed low earnings yield (growth) stocks over long periods, though this "value premium" varies across market cycles.

Assessing market-wide valuation: By looking at the aggregate earnings yield of the entire stock market (the inverse of the Shiller PE or CAPE ratio), investors can gauge whether markets are broadly cheap or expensive. When the market's earnings yield drops below long-term government bond yields, it has historically been a warning sign of overvaluation.

Cross-border comparisons: Earnings yield makes it straightforward to compare stock markets in different countries. A Japanese stock market with a PE of 14 (earnings yield 7.1%) versus a US market with a PE of 22 (earnings yield 4.5%) allows investors to see the relative value gap in percentage terms rather than abstract multiples.

Earnings Yield vs Related Metrics

Earnings Yield vs PE Ratio: They contain identical information presented differently. A PE of 20 equals an earnings yield of 5%. The advantage of earnings yield is that it is expressed as a percentage, making it directly comparable to yields on bonds, real estate, and other assets. The PE ratio is more intuitive for most investors, but earnings yield is more useful for cross-asset comparisons.

Earnings Yield vs Free Cash Flow Yield: Free cash flow yield replaces accounting earnings with actual cash generation. It is more conservative and harder to manipulate. When earnings yield is significantly higher than free cash flow yield, it could indicate the company is recognizing accounting profits that are not translating into cash. Ideally, both metrics should tell a similar story.

Earnings Yield vs Dividend Yield: Dividend yield only reflects the portion of earnings paid out to shareholders. A company with a 5% earnings yield and a 40% payout ratio would have a 2% dividend yield. Earnings yield captures the full earning power available to shareholders, including the portion being reinvested for growth.

Earnings Yield vs EV/EBITDA: Both are used to identify cheap stocks, but they measure different things. Earnings yield uses after-tax, after-interest earnings and equity price, while EV/EBITDA uses pre-tax, pre-interest earnings and total enterprise value. Greenblatt's EBIT/EV version of earnings yield is more comparable to the inverse of EV/EBITDA.

The Bottom Line

Earnings yield translates stock valuation into the language of returns, making it one of the most practical tools for investment decision-making. By expressing how much earning power you get per dollar invested, it enables direct comparisons across stocks, bonds, and other asset classes that abstract PE multiples cannot easily provide.

For value investors, screening for high earnings yield stocks, especially when combined with quality metrics like return on equity or return on invested capital, is a time-tested approach backed by decades of academic research and real-world results.

The key nuance to remember is that earnings yield is backward-looking unless you use forward estimates. A high earnings yield based on past earnings can be misleading if the company's profitability is deteriorating. Always verify that earnings are sustainable and backed by genuine free cash flow before acting on an attractive earnings yield.