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A Look At The Fair Value Of G1 Therapeutics, Inc. (NASDAQ:GTHX)

Simply Wall St
·6 min read

Does the January share price for G1 Therapeutics, Inc. (NASDAQ:GTHX) reflect what it's really worth? Today, we will estimate the stock's intrinsic value by estimating the company's future cash flows and discounting them to their present value. This will be done using the Discounted Cash Flow (DCF) model. It may sound complicated, but actually it is quite simple!

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 G1 Therapeutics

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 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.

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) estimate

2021

2022

2023

2024

2025

2026

2027

2028

2029

2030

Levered FCF ($, Millions)

-US$158.5m

-US$160.5m

-US$159.0m

-US$121.0m

US$44.0m

US$60.8m

US$77.5m

US$92.8m

US$106.2m

US$117.6m

Growth Rate Estimate Source

Analyst x2

Analyst x2

Analyst x1

Analyst x1

Analyst x1

Est @ 38.24%

Est @ 27.38%

Est @ 19.78%

Est @ 14.46%

Est @ 10.73%

Present Value ($, Millions) Discounted @ 7.5%

-US$147

-US$139

-US$128

-US$90.6

US$30.7

US$39.4

US$46.7

US$52.1

US$55.4

US$57.1

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = -US$223m

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 2.0%. We discount the terminal cash flows to today's value at a cost of equity of 7.5%.

Terminal Value (TV)= FCF2030 × (1 + g) ÷ (r – g) = US$118m× (1 + 2.0%) ÷ (7.5%– 2.0%) = US$2.2b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$2.2b÷ ( 1 + 7.5%)10= US$1.1b

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$845m. In the final step we divide the equity value by the number of shares outstanding. Compared to the current share price of US$18.0, the company appears about fair value at a 19% discount to where the stock price trades currently. Remember though, that this is just an approximate valuation, and like any complex formula - garbage in, garbage out.

dcf
dcf

Important assumptions

The calculation above is very dependent on two assumptions. The first is the discount rate and the other is the cash flows. Part of investing is coming up with your own evaluation of a company's future performance, so try the calculation yourself and check your own 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 G1 Therapeutics 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 7.5%, which is based on a levered beta of 1.043. 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 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. 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 example, changes in the company's cost of equity or the risk free rate can significantly impact the valuation. For G1 Therapeutics, we've compiled three essential items you should further research:

  1. Risks: You should be aware of the 2 warning signs for G1 Therapeutics we've uncovered before considering an investment in the company.

  2. Future Earnings: How does GTHX'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. Simply Wall St updates its DCF calculation for every American stock every day, so if you want to find the intrinsic value of any other stock 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 (at) simplywallst.com.