Five9 Inc vs Fastly Inc — how do they compare? Five9 Inc trades at $31.81 (market cap $2.44B), while Fastly Inc trades at $28.51 (market cap $4.58B). The key difference: Fastly Inc is the larger of the two by market cap. Which is the better fit depends on your goals.
| FIVN | FSLY | |
|---|---|---|
Market Cap | $2.44B | $4.58B |
Sector | Technology | Technology |
52-Week High | $34.48 | $33.50 |
52-Week Low | $13.61 | $6.85 |
Enterprise Value | $2.59B | $4.65B |
Signals from Pluang's Aura AI — not financial advice
Five9 (FIVN) trades at $31.14, down 9.69% today but remains near its 52-week highs. The stock shows strong technical momentum with bullish moving averages and has consistently beaten earnings estimates in recent quarters. Revenue growth accelerated to 10% in Q2 2026, reaching $312.4 million, while the company maintains a solid gross margin of 54.91%. Recent management appointments and AI-driven subscription growth provide positive catalysts.
The outlook remains positive with 61% analyst buy ratings and a $32.67 consensus target offering 5% upside. However, elevated valuation multiples (P/E 47.99) and ongoing fiduciary investigations pose risks. The stock's trajectory depends on continued execution of AI revenue growth and margin expansion targets.
Fastly (FSLY) trades at $28.59, up 3.03% today, with strong technical momentum and bullish moving averages. The company reported consecutive earnings beats, with Q2 2026 EPS of $0.15 surpassing estimates, and raised its 2026 outlook driven by security and AI demand. Revenue growth is robust at 23% year-over-year, though the company remains unprofitable with a net income margin of -11.8%.
The outlook is positive given accelerating revenue growth and strategic positioning in edge cloud and AI infrastructure, but risks include persistent losses, high valuation multiples, and competitive pressures. Analyst consensus is cautious with a hold-heavy rating and a $28.25 price target, slightly below the current price.
Trailing returns across standard periods
Latest headlines on both assets
Five9 provides cloud-native contact center software that enables digital customer service, sales, and marketing engagement. The company's Virtual Contact Center platform combines core telephony functionality, omnichannel engagement capabilities, and various software modules into a unified cloud contact-center-as-a-service, or CCaaS, platform. Five9's artificial intelligence and automation portfolio supplements and enhances the firm's core CCaaS offerings, including solutions for digital self-service, agent assist technology, and workflow automation. Five9 also offers workforce optimization products that optimize call center efficiency through workforce management solutions, manage interaction quality, and track agent performance.
Read more on FIVN →Fastly operates a content delivery network, which is necessary for entities to provide faster and more reliable online content. Fastly's strategy differs from traditional CDNs, which focused on locating servers in as many locations as possible to store copies of files that consumers most use. Fastly has far fewer sites than traditional CDNs, but it houses servers in the most network-dense data centers. Instead of simply storing static content, it allows its customers to program on its platform, enabling edge computing and better service of the more dynamic content that was traditionally not well served by CDNs. Fastly gears its service to the largest, most sophisticated enterprises rather than small companies and generated about two thirds of its revenue in the United States in 2020.
Read more on FSLY →