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Calculating The Fair Value Of TransDigm Group Incorporated (NYSE:TDG)

Simply Wall St

In this article we are going to estimate the intrinsic value of TransDigm Group Incorporated (NYSE:TDG) by taking the expected future cash flows and discounting them to their present value. I will be using the Discounted Cash Flow (DCF) model. It may sound complicated, but actually it is quite simple!

Remember though, that there are many ways to estimate a company's value, and a DCF is just one method. 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 TransDigm Group

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 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, and so the sum of these future cash flows is then discounted to today's value:

10-year free cash flow (FCF) estimate

2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
Levered FCF ($, Millions) US$1.32b US$1.48b US$1.65b US$1.94b US$2.12b US$2.27b US$2.39b US$2.50b US$2.58b US$2.66b
Growth Rate Estimate Source Analyst x10 Analyst x9 Analyst x6 Analyst x2 Est @ 9.32% Est @ 7.05% Est @ 5.45% Est @ 4.34% Est @ 3.56% Est @ 3.01%
Present Value ($, Millions) Discounted @ 8.0% US$1.2k US$1.3k US$1.3k US$1.4k US$1.4k US$1.4k US$1.4k US$1.4k US$1.3k US$1.2k

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = US$13b

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 10-year government bond rate of 1.7%. We discount the terminal cash flows to today's value at a cost of equity of 8.0%.

Terminal Value (TV)= FCF2029 × (1 + g) ÷ (r – g) = US$2.7b× (1 + 1.7%) ÷ 8.0%– 1.7%) = US$43b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$43b÷ ( 1 + 8.0%)10= US$20b

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$34b. The last step is to then divide the equity value by the number of shares outstanding. Compared to the current share price of US$620, the company appears about fair value at a 1.1% discount to where the stock price trades currently. Valuations are imprecise instruments though, rather like a telescope - move a few degrees and end up in a different galaxy. Do keep this in mind.

NYSE:TDG Intrinsic value, January 16th 2020

The assumptions

Now the most important inputs to a discounted cash flow are the discount rate, and of course, the actual 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 TransDigm 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 8.0%, which is based on a levered beta of 1.147. 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:

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?" If a company grows at a different rate, or if its cost of equity or risk free rate changes sharply, the output can look very different. For TransDigm Group, I've compiled three pertinent aspects you should further research:

  1. Financial Health: Does TDG have a healthy balance sheet? Take a look at our free balance sheet analysis with six simple checks on key factors like leverage and risk.
  2. Future Earnings: How does TDG'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: Are there other high quality stocks you could be holding instead of TDG? 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 US stock every day, so if you want to find the intrinsic value of any other stock just search here.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. 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. Simply Wall St has no position in the stocks mentioned.

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