$ZS
Zscaler, Inc. Common Stock
XNAS•Technology•Services-Computer Programming Services
Why is ZS down today? It is at $175.00 (-5.20%), and our scanner flagged it 120 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ZS spikes, and full due diligence on ZS — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $175.00
- Change today
- -5.20%
- Previous close
- $184.60
- 52-week range
- $114.63 – $336.99
- Market cap
- $30.03B
- Shares outstanding
- 161.7M SEC · as of 2026-05-19 · 93d
- Institutional own.
- 58.83%
- Total held
- 75.8%
- Tradeable float
- 39.1M 24% of shares · after 17% insiders + 59% institutions
- Avg daily volume
- 2.8M
- Sector
- Technology
- Industry
- Services-Computer Programming Services
- Exchange
- XNAS
- 5m
- 0.5x
- 15m
- 0.6x
- 1h
- 0.5x
- 1D
- 0.2x
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Why is $ZS down today?
ZS is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on ZS today, peaking at 2.7x its normal volume.
Analyst data via Nasdaq. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $ZS. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$ZS Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ZS Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.




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ZS stock FAQ
Why is $ZS down today?
ZS is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on ZS today, peaking at 2.7x its normal volume.
What is the ZS stock price today?
ZS last traded at $175.00, down 5.20% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ZS alerts?
The ZS Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged ZS 120 times in the last 30 days.
What exchange is ZS on?
ZS (Zscaler, Inc. Common Stock) trades on XNAS, with a market cap of about $30.03B in the SERVICES-COMPUTER PROGRAMMING SERVICES sector.
Is ZS good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge ZS for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.