Calculating The Intrinsic Value Of Compagnie de Saint-Gobain S.A. (EPA:SGO)

By
Simply Wall St
Published
April 18, 2021
ENXTPA:SGO
Source: Shutterstock

In this article we are going to estimate the intrinsic value of Compagnie de Saint-Gobain S.A. (EPA:SGO) by taking the forecast future cash flows of the company and discounting them back to today's value. Our analysis will employ the Discounted Cash Flow (DCF) model. There's really not all that much to it, even though it might appear quite complex.

Companies can be valued in a lot of ways, so we would point out that a DCF is not perfect for every situation. Anyone interested in learning a bit more about intrinsic value should have a read of the Simply Wall St analysis model.

View our latest analysis for Compagnie de Saint-Gobain

Step by step through the calculation

We use what is known as a 2-stage model, which simply means we have two different periods of growth rates for the company's cash flows. Generally the first stage is higher growth, and the second stage is a lower growth phase. To begin with, we have to get estimates of the next ten years of cash flows. Where possible we use analyst estimates, but when these aren't available we extrapolate the previous free cash flow (FCF) from the last estimate or reported value. We assume companies with shrinking free cash flow will slow their rate of shrinkage, and that companies with growing free cash flow will see their growth rate slow, over this period. We do this to reflect that growth tends to slow more in the early years than it does in later years.

Generally we assume that a dollar today is more valuable than a dollar in the future, so we discount the value of these future cash flows to their estimated value in today's dollars:

10-year free cash flow (FCF) estimate

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
Levered FCF (€, Millions) €1.94b €2.26b €2.35b €2.69b €2.60b €2.55b €2.51b €2.49b €2.48b €2.48b
Growth Rate Estimate Source Analyst x8 Analyst x9 Analyst x5 Analyst x2 Analyst x1 Est @ -2.09% Est @ -1.34% Est @ -0.81% Est @ -0.44% Est @ -0.18%
Present Value (€, Millions) Discounted @ 8.9% €1.8k €1.9k €1.8k €1.9k €1.7k €1.5k €1.4k €1.3k €1.2k €1.1k

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = €16b

The second stage is also known as Terminal Value, this is the business's cash flow after the first stage. For a number of reasons a very conservative growth rate is used that cannot exceed that of a country's GDP growth. In this case we have used the 5-year average of the 10-year government bond yield (0.4%) to estimate future growth. In the same way as with the 10-year 'growth' period, we discount future cash flows to today's value, using a cost of equity of 8.9%.

Terminal Value (TV)= FCF2030 × (1 + g) ÷ (r – g) = €2.5b× (1 + 0.4%) ÷ (8.9%– 0.4%) = €29b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= €29b÷ ( 1 + 8.9%)10= €13b

The total value is the sum of cash flows for the next ten years plus the discounted terminal value, which results in the Total Equity Value, which in this case is €28b. To get the intrinsic value per share, we divide this by the total number of shares outstanding. Compared to the current share price of €53.2, the company appears around fair value at the time of writing. The assumptions in any calculation have a big impact on the valuation, so it is better to view this as a rough estimate, not precise down to the last cent.

dcf
ENXTPA:SGO Discounted Cash Flow April 19th 2021

Important assumptions

Now the most important inputs to a discounted cash flow are the discount rate, and of course, the actual cash flows. If you don't agree with these result, have a go at the calculation yourself and play with the assumptions. The DCF also does not consider the possible cyclicality of an industry, or a company's future capital requirements, so it does not give a full picture of a company's potential performance. Given that we are looking at Compagnie de Saint-Gobain as potential shareholders, the cost of equity is used as the discount rate, rather than the cost of capital (or weighted average cost of capital, WACC) which accounts for debt. In this calculation we've used 8.9%, which is based on a levered beta of 1.415. Beta is a measure of a stock's volatility, compared to the market as a whole. We get our beta from the industry average beta of globally comparable companies, with an imposed limit between 0.8 and 2.0, which is a reasonable range for a stable business.

Moving On:

Although the valuation of a company is important, it shouldn't be the only metric you look at when researching a company. The DCF model is not a perfect stock valuation tool. Rather it should be seen as a guide to "what assumptions need to be true for this stock to be under/overvalued?" For instance, if the terminal value growth rate is adjusted slightly, it can dramatically alter the overall result. For Compagnie de Saint-Gobain, we've put together three essential elements you should further research:

  1. Risks: You should be aware of the 4 warning signs for Compagnie de Saint-Gobain we've uncovered before considering an investment in the company.
  2. Future Earnings: How does SGO's growth rate compare to its peers and the wider market? Dig deeper into the analyst consensus number for the upcoming years by interacting with our free analyst growth expectation chart.
  3. Other High Quality Alternatives: Do you like a good all-rounder? Explore our interactive list of high quality stocks to get an idea of what else is out there you may be missing!

PS. Simply Wall St updates its DCF calculation for every French stock every day, so if you want to find the intrinsic value of any other stock just search here.

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This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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