LTE (Long-Term Earning Power)
The 30-Second Summary
The Bottom Line: LTE, or Long-Term Earning Power, is a value investor's estimate of a company's average, sustainable earnings over a full business cycle, stripped of any short-term noise or one-time events.
Key Takeaways:
What it is: It’s not a number you'll find on a financial statement; it's a calculated judgment about what a business can realistically earn year-in, year-out.
Why it matters: It's the engine of a company's true
intrinsic_value. Focusing on LTE prevents you from overpaying for a company during a boom year or panicking and selling during a bad one. It anchors your analysis to business reality, not market fiction.
How to use it: You estimate it by analyzing a decade of financial data, adjusting for anomalies, and assessing the company's competitive advantages to project a conservative, normalized earnings figure.
What is Long-Term Earning Power? A Plain English Definition
Imagine you're thinking about buying a small, local apple orchard.
You could look at last year's harvest, which was a record-breaker. The weather was perfect, a neighboring orchard had a pest problem (sending more customers your way), and apple prices were unusually high. Based on that single year, the orchard looks like a gold mine. This is the equivalent of looking at a company's latest, headline-grabbing annual earnings report.
A seasoned farmer, however, would know better. She would ask for the records from the last ten years. She'd see that there were years of drought, years with late frosts, and years with bumper crops. She would average them out. She would factor in the cost of replacing old trees and the steady demand from the local community. She isn't trying to guess next year's crop; she's trying to understand the orchard's average, sustainable harvest potential over the long run.
That sustainable potential is its Long-Term Earning Power (LTE).
In the investing world, LTE is the same concept applied to a business. It's the “normal” amount of profit a company can be expected to generate over a full business_cycle, once you've smoothed out the highs of economic booms and the lows of recessions. It ignores one-time windfalls (like selling a factory) and one-time disasters (like a product recall). It is the true, underlying profitability of the business operations.
It’s an educated estimate, not a precise figure. It’s the answer to the crucial question: “If I owned this entire business for the next decade, what is a reasonable, conservative estimate of the average annual cash profit it would generate for me?”
“The value of a business is the present value of the net cash flows that it will generate over its remaining life… The first step is to be realistic about the stream of future earnings.” - Warren Buffett
Understanding LTE is fundamental to separating the signal (the company's durable profitability) from the noise (the market's obsession with quarterly earnings beats and misses).
Why It Matters to a Value Investor
For a value investor, the concept of LTE isn't just an interesting academic exercise; it's the bedrock of a rational investment process. The stock market is a manic-depressive business partner, as Benjamin Graham taught us. It's euphoric one day and despondent the next. LTE is your anchor of sanity in this sea of volatility.
The Foundation of Intrinsic Value: The primary goal of a value investor is to buy a business for less than it's worth. But how do you determine what it's worth? The answer lies in its ability to generate cash for its owners over time. LTE is the most critical input for estimating a company's intrinsic value. A company is ultimately worth the discounted value of its future earning power. If your estimate of LTE is wrong, your entire valuation will be wrong.
Building a Margin of Safety: The famous “margin of safety” principle means paying a price so low that it provides a cushion against bad luck, miscalculations, or unforeseen problems. You build this margin by basing your purchase price on a
conservative estimate of LTE. For example, if you believe a company's LTE is $5 per share, you wouldn't pay $4.90. You might wait until you can buy it for $2.50 or $3.00. This is only possible if you have a firm, rational estimate of that long-term earning power to begin with. You are buying based on the orchard's average harvest, not its single best year.
Immunity to Market Hype: Wall Street is obsessed with the short term. Analysts fret over whether a company “beat” earnings estimates by a penny this quarter. This is pure noise. A great business might have a bad year due to a temporary problem, causing its stock to plummet. A value investor focused on its unchanged, high LTE will see this as a buying opportunity. Conversely, a mediocre business might have a fantastic year due to a fad, causing its stock to soar. The value investor, seeing that the LTE hasn't fundamentally changed, will avoid it like the plague, correctly identifying it as a speculative trap.
Forces a Business-Owner Mindset: Calculating LTE forces you to think like a business owner, not a stock trader. You have to dig into the company's history, understand its competitive position (
economic_moat), evaluate the quality of its management, and think about its long-term prospects. It shifts your focus from “Where is the stock price going?” to “How is the underlying business performing?”
In short, LTE is the value investor's North Star. It guides valuation, enforces discipline, and provides the intellectual and emotional fortitude to act contrary to the market's whims.
How to Apply It in Practice
Estimating LTE is more art than science, requiring diligence and conservative judgment. There is no single formula, but there is a reliable method.
The Method
Here's a step-by-step approach to estimating a company's Long-Term Earning Power, often expressed on a per-share basis.
Step 1: Gather the Data (The Raw Materials):
You need to look back in time to see how the business has performed through different economic conditions. Collect at least 7-10 years of financial data. The key metric to start with is Earnings Per Share (EPS). You can find this in a company's annual reports or on reliable financial data websites.
Step 2: Normalize the Earnings (Smooth Out the Bumps):
This is the most critical step. You need to adjust the historical earnings for any items that are not part of the core, recurring business operations. This process is called “normalization.”
Look for one-time events: Did the company sell a division for a huge gain? Subtract it. Did they have a massive, one-off restructuring charge or a lawsuit settlement? Add it back.
Consider the business_cycle: If the company is cyclical (e.g., an automaker or a steel company), its earnings will be huge at the peak of the cycle and tiny (or negative) in a recession. Simply averaging the last few good years would be a massive mistake. You must include the recession years in your analysis to get a true picture.
Accounting Tricks: Look for changes in accounting policies that might artificially inflate or deflate reported earnings in a given year.
Step 3: Analyze the Qualitative Factors (The Future Trajectory):
The past is a guide, but not a guarantee. Now you must think about the future.
Economic Moat: Does the company have a durable competitive advantage (e.g., a strong brand, network effects, high switching costs) that will protect its earning power? A strong moat suggests LTE is stable or growing. A weak or non-existent moat suggests LTE is at risk.
Industry Trends: Is the entire industry in a long-term decline (like print newspapers) or does it have tailwinds (like cloud computing)?
Management Quality: Is management skilled at allocating capital to grow earning power, or do they tend to squander it on foolish acquisitions?
Step 4: Make a Conservative Estimate (The Final Judgment):
After analyzing the normalized historical data and the qualitative factors, you can make a final estimate. This could be:
A simple average of the last 10 years of normalized EPS.
A weighted average, giving more importance to recent years if the business is steadily growing.
What Benjamin Graham called “earning power,” which he often defined as the average earnings of a typical year in the future.
The key is to be conservative. It is always better to underestimate a company's LTE and be pleasantly surprised than to be optimistic and lose money.
Interpreting the Result
The number you arrive at is not a magic bullet. Its value lies in the context you give it.
It's a Range, Not a Point: Think of your LTE estimate as the center of a range of probable outcomes. For a stable, predictable business like a utility or a consumer staples company, that range will be narrow. For a more volatile tech company, the range will be much wider, reflecting greater uncertainty. If the range is too wide to make a rational decision, the company might be outside your
circle_of_competence.
Compare LTE to Price: The ultimate goal is to compare your LTE estimate to the current stock price. A simple way to do this is to calculate a “Normalized P/E Ratio” (Price / LTE per share). If a stable company is trading at a normalized P/E of 8x, it might be very cheap. If it's trading at 30x, it's likely very expensive, regardless of what last year's record earnings suggest.
The Trend is Your Friend (or Enemy): Is the LTE likely to be stable, growing, or shrinking? A company with a stable $5/share LTE is good. A company whose LTE is growing from $5 to $6 to $7 is even better. A company whose LTE is eroding due to competition is a potential value trap. The qualitative analysis from Step 3 is crucial here.
A Practical Example
Let's compare two fictional companies to see LTE in action: “SteadySuds Brewery Co.” and “Rocketship Tech Inc.”
Company | 2018 EPS | 2019 EPS | 2020 EPS | 2021 EPS | 2022 EPS | 2023 EPS |
SteadySuds Brewery | $2.80 | $3.10 | $2.50 1) | $3.20 | $3.40 | $3.50 |
Rocketship Tech | $0.50 | $1.00 | $2.00 | $4.00 | $8.00 2) | $1.50 3) |
Analysis of SteadySuds Brewery Co.:
Historical Data: Earnings are stable and growing slowly, with a predictable dip during the 2020 recession. This is a classic, durable business.
Normalization: There are no obvious one-off events. The 2020 dip is part of its normal business cycle and must be included in our average.
Qualitative Factors: SteadySuds has a strong regional brand (a moat), and people drink beer in good times and bad. The industry is mature and stable.
LTE Estimate: A simple average of the past six years is approximately $3.08. Given the slow, steady growth, a conservative LTE estimate of $3.20 per share seems reasonable. If the stock is trading at $30, it has a normalized P/E of 9.4x ($30 / $3.20), which looks potentially attractive.
Analysis of Rocketship Tech Inc.:
Historical Data: Explosive, parabolic growth followed by a sharp crash. The history is short and erratic.
Normalization: The $8.00 in 2022 was clearly an anomaly driven by a fad. Using that as a basis for valuation would be catastrophic. The subsequent crash to $1.50 shows how unsustainable it was.
Qualitative Factors: Rocketship Tech operates in a fast-changing industry with no real moat. Competition is fierce, as shown by the 2023 result.
LTE Estimate: It is
extremely difficult to have any confidence in an LTE estimate here. Is it $1.50? Is it heading to zero? Is the average of its short life meaningful? A prudent value investor would likely conclude that Rocketship Tech's long-term earning power is unknowable. This is a company to avoid, as it falls outside the
circle_of_competence for anyone seeking predictable returns.
This example shows how LTE analysis steers you toward predictable, understandable businesses and away from speculative, unpredictable situations.
Advantages and Limitations
Strengths
Promotes Long-Term Thinking: It forces you to look through the windshield at the road ahead, not just at the last few feet of pavement in the rearview mirror.
Instills Discipline: It provides a rational anchor for valuation, preventing you from getting swept up in market euphoria or panic.
Focuses on Business Fundamentals: It is a powerful tool for understanding the underlying health and profitability of the business itself, separate from its fluctuating stock price.
Highlights Quality: The process of estimating LTE naturally reveals the quality of a business. Companies with stable, predictable earnings and strong moats are far easier to analyze and are often better long-term investments.
Weaknesses & Common Pitfalls
It is an Estimate: LTE is a product of your judgment and is inherently subjective. Two investors can arrive at different LTE figures for the same company. The goal is to be approximately right, not precisely wrong.
The Past Isn't Always Prologue: A company's historical earnings may not be a reliable guide if its industry is undergoing radical, disruptive change. A buggy whip manufacturer had a great historical LTE right up until the automobile became popular.
The “Value Trap” Risk: A company may look cheap based on its historical LTE, but if that earning power is in permanent decline due to new competition or technology, the investment will fail. This is why qualitative analysis of the moat and industry trends is so important.
Difficult for Certain Companies: Estimating LTE is very difficult for startups, companies with no history of profits, or businesses in highly complex and rapidly changing fields like biotechnology.
intrinsic_value: LTE is the key ingredient used to calculate the true worth of a business.
margin_of_safety: You demand a discount from your calculated intrinsic value (based on LTE) to protect yourself.
owner_earnings: A related concept from Warren Buffett that focuses on cash flow rather than accounting earnings to get an even clearer picture of earning power.
economic_moat: A strong and durable moat is what protects a company's Long-Term Earning Power from being eroded by competitors.
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earnings_per_share_eps: The raw accounting data that you must analyze and normalize to begin your LTE calculation.
business_cycle: The economic ebb and flow that must be accounted for when normalizing a company's earnings history.