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Is Rambus Inc. (NASDAQ:RMBS) Trading At A 25% Discount?

Simply Wall St·03/13/2025 13:43:09
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Key Insights

  • Using the 2 Stage Free Cash Flow to Equity, Rambus fair value estimate is US$69.72
  • Rambus' US$52.55 share price signals that it might be 25% undervalued
  • Analyst price target for RMBS is US$73.13, which is 4.9% above our fair value estimate

Today we will run through one way of estimating the intrinsic value of Rambus Inc. (NASDAQ:RMBS) by estimating the company's future cash flows and discounting them to their present value. The Discounted Cash Flow (DCF) model is the tool we will apply to do this. Believe it or not, it's not too difficult to follow, as you'll see from our example!

We generally believe that a company's value is the present value of all of the cash it will generate in the future. However, a DCF is just one valuation metric among many, and it is not without flaws. For those who are keen learners of equity analysis, the Simply Wall St analysis model here may be something of interest to you.

See our latest analysis for Rambus

What's The Estimated Valuation?

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. In the first stage we need to estimate the cash flows to the business over the next ten years. 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, and so the sum of these future cash flows is then discounted to today's value:

10-year free cash flow (FCF) estimate

2025 2026 2027 2028 2029 2030 2031 2032 2033 2034
Levered FCF ($, Millions) US$238.6m US$269.2m US$362.0m US$414.6m US$454.1m US$488.2m US$517.8m US$544.1m US$567.9m US$590.0m
Growth Rate Estimate Source Analyst x5 Analyst x5 Analyst x1 Analyst x1 Est @ 9.53% Est @ 7.50% Est @ 6.07% Est @ 5.08% Est @ 4.38% Est @ 3.89%
Present Value ($, Millions) Discounted @ 8.5% US$220 US$229 US$284 US$300 US$302 US$300 US$293 US$284 US$273 US$262

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = US$2.7b

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 (2.8%) 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 8.5%.

Terminal Value (TV)= FCF2034 × (1 + g) ÷ (r – g) = US$590m× (1 + 2.8%) ÷ (8.5%– 2.8%) = US$11b

Present Value of Terminal Value (PVTV)= TV / (1 + r)10= US$11b÷ ( 1 + 8.5%)10= US$4.7b

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$7.5b. In the final step we divide the equity value by the number of shares outstanding. Relative to the current share price of US$52.6, the company appears a touch undervalued at a 25% 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
NasdaqGS:RMBS Discounted Cash Flow March 13th 2025

The 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 Rambus 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 8.5%, which is based on a levered beta of 1.320. 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.

SWOT Analysis for Rambus

Strength
  • Currently debt free.
Weakness
  • Earnings declined over the past year.
Opportunity
  • Annual earnings are forecast to grow faster than the American market.
  • Trading below our estimate of fair value by more than 20%.
Threat
  • Revenue is forecast to grow slower than 20% per year.

Next Steps:

Although the valuation of a company is important, it shouldn't be the only metric you look at when researching a company. It's not possible to obtain a foolproof valuation with a DCF model. Preferably you'd apply different cases and assumptions and see how they would impact the company's valuation. For example, changes in the company's cost of equity or the risk free rate can significantly impact the valuation. What is the reason for the share price sitting below the intrinsic value? For Rambus, there are three essential elements you should further examine:

  1. Risks: Every company has them, and we've spotted 2 warning signs for Rambus you should know about.
  2. Management:Have insiders been ramping up their shares to take advantage of the market's sentiment for RMBS's future outlook? Check out our management and board analysis with insights on CEO compensation and governance factors.
  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.

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