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Calculating The Fair Value Of BHP Group (ASX:BHP)

Simply Wall St
·6 min read

How far off is BHP Group (ASX:BHP) from its intrinsic value? Using the most recent financial data, we'll take a look at whether the stock is fairly priced by taking the expected future cash flows and discounting them to their present value. We will take advantage of the Discounted Cash Flow (DCF) model for this purpose. Before you think you won't be able to understand it, just read on! It's actually much less complex than you'd imagine.

We would caution that there are many ways of valuing a company and, like the DCF, each technique has advantages and disadvantages in certain scenarios. 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 BHP Group

Step by step through the calculation

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.

A DCF is all about the idea that a dollar in the future is less valuable than a dollar today, so we discount the value of these future cash flows to their estimated value in today's dollars:

10-year free cash flow (FCF) forecast

2021

2022

2023

2024

2025

2026

2027

2028

2029

2030

Levered FCF ($, Millions)

US$10.1b

US$8.00b

US$9.84b

US$8.85b

US$9.13b

US$9.36b

US$9.59b

US$9.83b

US$10.1b

US$10.3b

Growth Rate Estimate Source

Analyst x15

Analyst x15

Analyst x8

Analyst x1

Analyst x1

Est @ 2.55%

Est @ 2.46%

Est @ 2.4%

Est @ 2.36%

Est @ 2.33%

Present Value ($, Millions) Discounted @ 8.9%

US$9.3k

US$6.8k

US$7.6k

US$6.3k

US$6.0k

US$5.6k

US$5.3k

US$5.0k

US$4.7k

US$4.4k

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = US$61b

We now need to calculate the Terminal Value, which accounts for all the future cash flows after this ten year period. The Gordon Growth formula is used to calculate Terminal Value at a future annual growth rate equal to the 5-year average of the 10-year government bond yield of 2.3%. We discount the terminal cash flows to today's value at a cost of equity of 8.9%.

Terminal Value (TV)= FCF2030 × (1 + g) ÷ (r – g) = US$10b× (1 + 2.3%) ÷ (8.9%– 2.3%) = US$160b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$160b÷ ( 1 + 8.9%)10= US$68b

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$129b. In the final step we divide the equity value by the number of shares outstanding. Relative to the current share price of AU$35.8, 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

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 BHP Group 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 1.098. 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.

Next Steps:

Valuation is only one side of the coin in terms of building your investment thesis, and it is only one of many factors that you need to assess for a company. It's not possible to obtain a foolproof valuation with a DCF model. Instead the best use for a DCF model is to test certain assumptions and theories to see if they would lead to the company being undervalued or overvalued. For instance, if the terminal value growth rate is adjusted slightly, it can dramatically alter the overall result. For BHP Group, we've put together three pertinent elements you should further examine:

  1. Risks: Every company has them, and we've spotted 3 warning signs for BHP Group (of which 1 is potentially serious!) you should know about.

  2. Future Earnings: How does BHP'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 ASX 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.