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Calculating The Fair Value Of AZZ Inc. (NYSE:AZZ)

Simply Wall St

Today we will run through one way of estimating the intrinsic value of AZZ Inc. (NYSE:AZZ) by taking the expected future cash flows and discounting them to their present value. This will be done using the Discounted Cash Flow (DCF) model. Believe it or not, it's not too difficult to follow, as you'll see from our example!

Companies can be valued in a lot of ways, so we would point out that a DCF is not perfect for every situation. If you still have some burning questions about this type of valuation, take a look at the Simply Wall St analysis model.

See our latest analysis for AZZ

The model

We're using the 2-stage growth model, which simply means we take in account two stages of company's growth. In the initial period the company may have a higher growth rate and the second stage is usually assumed to have a stable growth rate. To start off with, we need to estimate 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 need to discount the sum of these future cash flows to arrive at a present value estimate:

10-year free cash flow (FCF) estimate

2021

2022

2023

2024

2025

2026

2027

2028

2029

2030

Levered FCF ($, Millions)

US$37.0m

US$77.1m

US$81.7m

US$77.8m

US$75.7m

US$74.8m

US$74.6m

US$75.0m

US$75.8m

US$76.9m

Growth Rate Estimate Source

Analyst x1

Analyst x2

Analyst x1

Est @ -4.79%

Est @ -2.69%

Est @ -1.22%

Est @ -0.19%

Est @ 0.54%

Est @ 1.04%

Est @ 1.39%

Present Value ($, Millions) Discounted @ 10%

US$33.6

US$63.7

US$61.4

US$53.1

US$47.0

US$42.2

US$38.3

US$35.0

US$32.1

US$29.6

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = US$435m

We now need to calculate the Terminal Value, which accounts for all the future cash flows after this ten year period. 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 (2.2%) 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 10%.

Terminal Value (TV)= FCF2030 × (1 + g) ÷ (r – g) = US$77m× (1 + 2.2%) ÷ (10%– 2.2%) = US$1.0b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$1.0b÷ ( 1 + 10%)10= US$388m

The total value, or equity value, is then the sum of the present value of the future cash flows, which in this case is US$823m. In the final step we divide the equity value by the number of shares outstanding. Relative to the current share price of US$33.9, the company appears around fair value at the time of writing. Remember though, that this is just an approximate valuation, and like any complex formula - garbage in, garbage out.

dcf
dcf

The assumptions

The calculation above is very dependent on two assumptions. The first is the discount rate and the other is the cash flows. You don't have to agree with these inputs, I recommend redoing the calculations yourself and playing with them. 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 AZZ 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 10%, which is based on a levered beta of 1.298. 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.

Looking Ahead:

Although the valuation of a company is important, it ideally won't be the sole piece of analysis you scrutinize for a company. It's not possible to obtain a foolproof valuation with a DCF model. Rather it should be seen as a guide to "what assumptions need to be true for this stock to be under/overvalued?" For example, changes in the company's cost of equity or the risk free rate can significantly impact the valuation. For AZZ, there are three essential items you should assess:

  1. Risks: Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with AZZ , and understanding these should be part of your investment process.

  2. Future Earnings: How does AZZ'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 Solid Businesses: Low debt, high returns on equity and good past performance are fundamental to a strong business. Why not explore our interactive list of stocks with solid business fundamentals to see if there are other companies you may not have considered!

PS. The Simply Wall St app conducts a discounted cash flow valuation for every stock on the NYSE every day. If you want to find the calculation for other stocks just search here.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com.