Fastly (FSLY) Could Be 262% Overvalued On Its Edge Computing Narrative

Simply Wall St

Fastly (FSLY) is back in focus after a recent swing in returns, with the stock up 5.2% in the past day and 8% over the past week, despite a weaker performance over the past 3 months.

See our latest analysis for Fastly.

Zooming out, Fastly’s share price return over the past year has been strong relative to the recent 90 day pullback. The 1 year total shareholder return of 157.88% shows how powerful the earlier upswing has been.

If Fastly’s recent volatility has you thinking about what else is moving in technology, it could be a good moment to size up a wider field of 52 AI infrastructure stocks

So with Fastly trading at $18.00, a value score of 3, an intrinsic discount of 21.58% and a price target gap of 33.95%, should you look for potential upside here or consider that the market is already accounting for future growth?

Most Popular Narrative: 262.2% Overvalued

Fastly’s last close at $18.00 sits far above the $4.97 fair value referenced in the most followed narrative, which frames the stock as richly priced today.

The salient point to make here is that once something develops a narrative that becomes widely known, we are a good part of the way down the road to that narrative failing. Nvidia had the CHiPS Act narrative behind it at a time of a prolonged, Fed inspired bear market, and the sheer ignorance of its AI / semiconductor narrative was ignored by too many for too long.

Read the complete narrative.

According to dadamentos, the fair value call hinges on how widely the Fastly story spreads, the growth path for edge computing demand and the profit margin profile that could justify a higher future multiple. The tension between a low narrative fair value and a much higher market price is all about those assumptions and how much conviction investors really have in them.

Result: Fair Value of $4.97 (OVERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, Fastly’s narrative could be challenged if edge computing adoption disappoints or if the company’s path to improving its loss of $103.053 million stalls.

Find out about the key risks to this Fastly narrative.

Another View: Fastly And The Sales Multiple Gap

While the popular narrative flags Fastly as heavily overvalued against a $4.97 fair value, the sales multiple picture is more mixed. The stock trades on a P/S of 4.3x, which is lower than peers at 10.8x, but higher than both the US IT industry at 1.7x and the fair ratio of 3.1x.

For you as an investor, that gap suggests a trade off between potential upside if sentiment shifts toward peer-like pricing, and downside if the market leans back toward the lower fair ratio or industry level. Which side of that tug of war feels more realistic to you right now?

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:FSLY P/S Ratio as at Jun 2026

Next Steps

If this mix of optimism and caution around Fastly leaves you undecided, take a closer look at the underlying metrics now and shape your own stance with the 2 key rewards and 3 important warning signs

Looking for more investment ideas beyond Fastly?

Fastly might be front of mind today, but you do not want to miss other stocks that line up better with your risk tolerance and return goals.

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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