Vanguard Total Stock Market Index Fund ETF vs Zscaler Inc — how do they compare? Vanguard Total Stock Market Index Fund ETF trades at $376.17, while Zscaler Inc trades at $166.58 (market cap $26.41B). The key difference: Vanguard Total Stock Market Index Fund ETF is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| VTI | ZS | |
|---|---|---|
52-Week High | $384.30 | $336.27 |
52-Week Low | $311.68 | $118.05 |
Market Cap | — | $26.41B |
Sector | — | Technology |
Enterprise Value | — | $24.79B |
Signals from Pluang's Aura AI — not financial advice
VTI trades at $377.60, down 0.56% with neutral technical signals. The ETF maintains broad U.S. market exposure across 3,515 stocks with a minimal 0.03% expense ratio. Recent institutional activity includes DMC Group's $794,000 investment in Q2 2026, while technical indicators show support at $375 and resistance at $379.
Long-term outlook remains positive given historical 10% annual market returns, though concentration risk exists with top ten holdings representing one-third of assets. Market sentiment favors VTI for diversification amid potential volatility, with analysts highlighting its core portfolio role for 20-year horizons.
Zscaler (ZS) trades at $161.94, down 4.63% amid bearish technical signals despite strong quarterly earnings beats. The stock shows improving fundamentals with revenue growing from $1.1B in 2022 to $2.67B in 2025, though net margins remain negative. Recent news highlights Zscaler's AI security innovations and conference presentations, while analyst consensus remains strongly bullish with a $204.88 price target representing 26% upside potential.
Zscaler presents a compelling growth story with accelerating revenue and strong enterprise adoption, though profitability challenges and elevated valuation metrics warrant caution. The stock's current weakness near support levels offers potential entry points for investors bullish on cybersecurity demand, particularly given Zscaler's leadership in zero-trust security and AI-driven threat protection capabilities.
Trailing returns across standard periods
Latest headlines on both assets
The fund employs an indexing investment approach designed to track the performance of the index, which represents approximately 100% of the investable US stock market and includes large-, mid-, small-, and micro-cap stocks. It invests by sampling the index, meaning that it holds a broadly diversified collection of securities that, in the aggregate, approximates the full index in terms of key characteristics.
Read more on VTI →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →