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Power Integrations, Inc. (NASDAQ:POWI) Shares Could Be 25% Above Their Intrinsic Value Estimate

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·5 min read
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Today we will run through one way of estimating the intrinsic value of Power Integrations, Inc. (NASDAQ:POWI) by taking the expected future cash flows and discounting them to their present 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.

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

The method

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, 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

2022

2023

2024

2025

2026

2027

2028

2029

2030

2031

Levered FCF ($, Millions)

US$136.5m

US$196.8m

US$206.0m

US$213.9m

US$220.9m

US$227.3m

US$233.2m

US$238.8m

US$244.3m

US$249.6m

Growth Rate Estimate Source

Analyst x1

Analyst x1

Est @ 4.66%

Est @ 3.85%

Est @ 3.28%

Est @ 2.88%

Est @ 2.61%

Est @ 2.41%

Est @ 2.28%

Est @ 2.18%

Present Value ($, Millions) Discounted @ 6.8%

US$128

US$172

US$169

US$164

US$159

US$153

US$147

US$141

US$135

US$129

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = US$1.5b

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 (2.0%) 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 6.8%.

Terminal Value (TV)= FCF2031 × (1 + g) ÷ (r – g) = US$250m× (1 + 2.0%) ÷ (6.8%– 2.0%) = US$5.2b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$5.2b÷ ( 1 + 6.8%)10= US$2.7b

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$4.2b. To get the intrinsic value per share, we divide this by the total number of shares outstanding. Relative to the current share price of US$86.6, the company appears slightly overvalued at the time of writing. 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.

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 Power Integrations 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 6.8%, which is based on a levered beta of 1.114. 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. 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. Can we work out why the company is trading at a premium to intrinsic value? For Power Integrations, there are three additional aspects you should further examine:

  1. Risks: As an example, we've found 3 warning signs for Power Integrations that you need to consider before investing here.

  2. Future Earnings: How does POWI'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 American stock every day, so if you want to find the intrinsic value of any other stock just search here.

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

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. 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.