Five9 Inc vs Vistra Corp — how do they compare? Five9 Inc trades at $31.2 (market cap $2.44B), while Vistra Corp trades at $147.09 (market cap $48.64B). The key difference: Vistra Corp is far larger — about 19.9× Five9 Inc's market cap, and Vistra Corp pays a 0.63% dividend while Five9 Inc pays none. Which is the better fit depends on your goals.
| FIVN | VST | |
|---|---|---|
Market Cap | $2.44B | $48.64B |
Sector | Technology | Technology |
52-Week High | $34.48 | $217.92 |
52-Week Low | $13.61 | $134.71 |
Enterprise Value | $2.59B | $70.58B |
Dividend Yield | — | 0.63% |
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.
Vistra (VST) trades at $146.68, up 2.67% today, with a bearish technical signal from moving averages but strong analyst support (90.9% buy ratings). Recent Q2 2026 earnings showed a beat on EPS ($2.87 actual vs. $1.32 expected) but a revenue miss, while the company reaffirmed full-year guidance amid growing data center power demand. The stock's valuation includes a P/E of 24.44 and a high ROE of 75.73%, though net cash flow was negative in 2025.
The outlook is positive due to robust EBITDA growth and strategic positioning in the AI power sector, with a consensus price target of $239.75 implying significant upside. Key risks include ERCOT market volatility, hedging losses, and high debt levels, requiring monitoring of execution on data center deals and cost controls.
Trailing returns across standard periods
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 →Vistra is a leading integrated retail electricity and power generation company that serves as a critical infrastructure provider for the digital economy. It operates a diversified portfolio of zero-carbon nuclear and renewable assets alongside a massive, flexible natural gas fleet, positioning it as an indispensable partner for energy-intensive AI data centers and industrial electrification.
Read more on VST →