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Is It Too Late To Consider AST SpaceMobile (ASTS) After A 252.8% One Year Surge?

Simply Wall St·05/19/2026 17:44:39
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  • For investors considering whether AST SpaceMobile at US$86.83 still offers value after a strong run, or whether the market has already priced in the story, this article breaks down what the current share price could imply.
  • The stock has posted returns of 5.2% over the last week, 1.5% over the past month and 4.0% year to date, while the 1 year return stands at 252.8% and the 3 year return is described as very large.
  • These moves sit against a backdrop of ongoing interest in AST SpaceMobile's attempt to build a space based cellular broadband network, along with the long term capital and execution questions that come with that type of project. Recent coverage has focused on how the company might balance funding needs with investor expectations as it progresses its business plan.
  • On Simply Wall St's valuation checks, AST SpaceMobile scores 2 out of 6. The next sections will walk through what different valuation methods say about the stock today, and then finish with a way of looking at valuation that can tie all these pieces together.

AST SpaceMobile scores just 2/6 on our valuation checks. See what other red flags we found in the full valuation breakdown.

Approach 1: AST SpaceMobile Discounted Cash Flow (DCF) Analysis

A Discounted Cash Flow, or DCF, model takes projected future cash flows, discounts them back to today using a required rate of return and sums them to estimate what the business might be worth right now.

For AST SpaceMobile, the model used is a 2 Stage Free Cash Flow to Equity approach. The latest twelve month free cash flow is a loss of $1,712.8 million. Analysts supply free cash flow estimates out to 2029, and Simply Wall St then extrapolates further. Based on these projections, free cash flow is projected to reach $869.6 million by 2030, with intermediate years moving from losses to positive figures according to the ten year path provided.

Putting all of those projected cash flows together, the DCF model outputs an estimated intrinsic value of $126.02 per share. Compared with the current share price of $86.83, this suggests the stock is 31.1% undervalued on this set of assumptions.

Result: UNDERVALUED

Our Discounted Cash Flow (DCF) analysis suggests AST SpaceMobile is undervalued by 31.1%. Track this in your watchlist or portfolio, or discover 52 more high quality undervalued stocks.

ASTS Discounted Cash Flow as at May 2026
ASTS Discounted Cash Flow as at May 2026

Head to the Valuation section of our Company Report for more details on how we arrive at this Fair Value for AST SpaceMobile.

Approach 2: AST SpaceMobile Price vs Book

For companies that are still building toward consistent profitability, price to book, or P/B, can be a useful way to think about value because it compares what you are paying in the market with the accounting value of the net assets on the balance sheet.

In general, higher growth expectations and lower perceived risk can support a higher “normal” valuation multiple. Slower expected growth and higher risk tend to justify a lower multiple. That same logic applies to P/B just as it does to P/E or P/S.

AST SpaceMobile currently trades on a P/B of 12.47x, compared with a Telecom industry average of 1.25x and a peer group average of 11.32x. Simply Wall St also uses a proprietary “Fair Ratio” for the preferred multiple, which estimates what a reasonable P/B might be after accounting for factors such as earnings growth, industry, profit margins, market cap and specific risks. This Fair Ratio aims to be more tailored than a simple comparison with peers or the industry, because those benchmarks do not adjust for differences in these company specific drivers. Since the latest Fair Ratio estimate is not available here, it is not possible to say how the current 12.47x P/B compares with that model based view.

Result: ABOUT RIGHT

NasdaqGS:ASTS P/B Ratio as at May 2026
NasdaqGS:ASTS P/B Ratio as at May 2026

P/B ratios tell one story, but what if the real opportunity lies elsewhere? Start investing in legacies, not executives. Discover our 18 top founder-led companies.

Upgrade Your Decision Making: Choose your AST SpaceMobile Narrative

Earlier it was mentioned that there is an even better way to understand valuation. Narratives on Simply Wall St let you attach a clear story to your numbers by linking your view of AST SpaceMobile's revenue, earnings and margins to a forecast and fair value. You can then compare that fair value to the current price, all inside an easy tool on the Community page that updates automatically when news or earnings change the picture. For example, one investor might set a cautious story with a fair value range around US$25 to US$55, while another builds a more optimistic story with a fair value closer to US$95. This gives you a direct, side by side sense of how different views on the same company line up against today's US$86.83 share price.

For AST SpaceMobile however, we will make it really easy for you with previews of two leading AST SpaceMobile Narratives:

🐂 AST SpaceMobile Bull Case

Fair value in this bullish narrative: US$95.00

Implied discount to this fair value at US$86.83: about 9% below the narrative fair value

Revenue growth assumption: very large annual increase of about 4x per year

  • Assumes AST SpaceMobile converts contracted commitments from more than 50 mobile network operator partners and over 3 billion covered subscribers into recurring service revenue.
  • Builds in improving profitability, with margins moving from deep losses toward very high positive levels as the constellation scales and operating leverage increases.
  • Uses a lower discount rate and higher future P/E than the broader US Telecom industry, reflecting analysts on the more optimistic end of the range.

🐻 AST SpaceMobile Bear Case

Fair value in this cautious narrative: US$40.00

Implied premium to this fair value at US$86.83: about 117% above the narrative fair value

Revenue growth assumption: very large annual increase, but paired with a higher required return of 12%

  • Highlights that the market value sits far above revenue today, with the story heavily dependent on AST SpaceMobile converting its more than US$1b contracted backlog and scaling to several billions of revenue.
  • Focuses on high cash burn and limited runway, with future capital raises and potential dilution treated as key ongoing risks.
  • Flags competitive pressure from larger players and the possibility that carrier partners hedge their bets, which could cap margins and keep fair value well below current pricing.

If you want to see how these bullish and cautious views compare with what other investors are thinking, and how they translate into detailed revenue, earnings and fair value paths for AST SpaceMobile, See what the community is saying about AST SpaceMobile.

Do you think there's more to the story for AST SpaceMobile? Head over to our Community to see what others are saying!

NasdaqGS:ASTS 1-Year Stock Price Chart
NasdaqGS:ASTS 1-Year Stock Price Chart

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.

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