How Investors May Respond To Fastly (FSLY) Q3 Earnings Preview

• Fastly is set to report third quarter 2026 results, with guidance of US$184m to US$190m in revenue and non GAAP earnings of 11 to 13 cents per share. Management also recently joined several high profile technology and telecom conferences to present its edge and security roadmap.
• The focus on higher value security offerings, including next generation web application firewall, bot management and DDoS protection, highlights how Fastly is leaning on security demand and AI related traffic to support its business mix while still managing rising operating costs and supply chain pressures.
• We will now look at how Fastly's upcoming earnings release could reshape its investment narrative around security driven revenue.

Scan security focused peers riding similar AI traffic trends and compare Fastly against a curated list of 53 AI infrastructure stocks for potential alternatives in the same theme.

Fastly Investment Narrative Recap

To own Fastly, you need to believe its shift toward higher value edge security and AI related workloads can support durable revenue growth while loss making operations gradually become less of a drag. The upcoming Q3 2026 report is a short term check on that idea, particularly around security uptake, operating expenses and free cash flow trends.

The biggest near term swing factor is whether Fastly’s security and AI products keep gaining traction quickly enough to justify ongoing investment in new regions and services. The key risk is that larger integrated rivals and customer concentration pressure limit usage growth, which would keep profitability and cash generation under strain.

The recent reminder that Fastly’s share price trades above an estimated future cash flow value of about US$15.43 per share puts extra scrutiny on execution. With the stock up more than 160% over the past year, investors now appear highly sensitive to any indication that usage growth or shifts in the security mix are slowing.

That valuation context ties directly into the coming earnings catalyst. Evidence of sustained demand for next generation WAF, DDoS and bot protection, together with disciplined operating costs, would support the existing narrative. A softer update on security adoption, AI workloads or large enterprise usage would likely renew questions about how much optimism is already reflected in the price.

Fastly's current analyst narrative points to revenues of US$1.1b and earnings of US$81.4m by 2029, built on 15.8% yearly revenue growth and an earnings swing of roughly US$162.5m from a loss of US$81.1m today.

Uncover why Fastly's fair value indicates a 35% potential upside to its current price before the market closes that gap.

Exploring Other Perspectives

One alternative view on Fastly focuses heavily on valuation risk. The most cautious analysts were only modeling about US$1.0b of revenue and US$79.9m of earnings by 2029, tied to a US$22.0 target. That paints a much more pessimistic picture, and the fresh Q3 update could easily shift those assumptions in either direction.

Explore 4 other Fastly fair value estimates, including one that suggests as much as 76% downside from the current price!

Form Your Own Verdict

Don't just follow the ticker; dig into the data and build a conviction that's truly your own.

• A great starting point for your Fastly research is our analysis highlighting 2 key rewards and 3 important warning signs that could impact your investment decision.
• See our latest analysis for Fastly. The report includes a comprehensive fundamental analysis summarized in a single visual, the Snowflake, making it easy to evaluate Fastly's overall financial health at a glance.

Looking For More Investment Ideas Beyond Fastly?

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