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DEEP RESEARCH · EPS AND CASH FLOW

EPS, Operating Profit, and Long-Term Cash Flow

A short memo on the limits of PER-centered judgment and the need to train a long-term cash-flow view

Written: 2024-10-27 · Company-analysis methodology · Naver Blog

Investment decisions are your own responsibility. This material is research and is not a recommendation to buy or sell.

0. Bottom line first

If I judge a company only by EPS and PER, I can become trapped in short-term results. Because the market always judges companies based on long-term cash flow, I need to practice thinking about what level of long-term cash flow the current share price is implying.

1. The problem with looking only at EPS and PER

If I judge a company only by EPS or PER, I end up judging it by short-term corporate performance. But because the market always judges companies based on long-term cash flow, that can lead to misjudgment.

Interpretation: Short-term operating profit or earnings per share can be a starting point, but if they alone determine my view of corporate value, I can miss the longer time horizon embedded in the market price.

Changing the judgment axisFrom short-term results to long-term cash flow
EPS/PERShort-term corporate results
Market priceExpectations embedded in today’s share price
Long-term cash flowThe center of future value judgment
Reverse-think what level of long-term cash flow the current share price is expecting.

2. How to approach long-term discounted cash flow

Of course, long-term discounted cash-flow analysis is difficult because it requires many assumptions. Even so, I need to practice thinking conceptually: based on the current share price, what level of long-term cash flow does the market seem to be expecting?

If I keep looking at it, I should become somewhat accustomed to it.

3. Why this practice matters

Only then does it become easier to judge which factors could cause value to rise.

The key is the way of thinking, not a perfectly precise DCF model. By reverse-thinking the long-term cash-flow expectation embedded in the current share price, I can better identify the variables that may drive value higher.

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