Subscriptions are live: We're on the subscription model now, early-access price $24.99/month, with day, week, and longer plans too. New accounts start with 5 free premium days. Prefer to donate? Donations grant premium time and are logged on your profile page.

$ZS

Zscaler, Inc. Common Stock

XNASTechnologyServices-Computer Programming Services

$175.00-5.20%$9.60Prev $184.60LIVE Full chart Live alerts
No recent price bars, the chart lights up when ZS starts printing.

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.

Free alerts

Get free $ZS alerts the moment volume spikes

Our scanner flagged $ZS 120 times in the last 30 days. Create a free account to track $ZS, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

Real-time RVOL & momentum alerts Personal watchlist & price alerts
Sign up free with email

No card · 5 premium days · join 800+ traders

Key Stats

Price & performance
Price
$175.00
Change today
-5.20%
Previous close
$184.60
52-week range
$114.63 – $336.99
Valuation & dividend
Market cap
$30.03B
Ownership & volume
Shares outstanding
161.7M
SEC · as of 2026-05-19 · 93d
Insider ownership
17.0%
DEF 14A · 2025-11-21
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
Classification
Sector
Technology
Industry
Services-Computer Programming Services
Exchange
XNAS
Relative volumevs this time of day
5m
0.5x
15m
0.6x
1h
0.5x
1D
0.2x

Get free ZS + market alerts in your inbox

The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.

No spam. Unsubscribe anytime. Not investment advice.

Why is $ZS down today?

4 alerts today2.7x RVOL

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.

Why is $ZS moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy35 analysts
Avg target $198.18(+13% upside)
Range $145 - $250
28 buy7 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Dilution watch

Unavailable

We 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

Bearish
Bearish30Bullish
📰 News: 2 bull · 3 bearToday: -5.2%👥 Community: 0 bull · 0 bear

Blend 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.

Alert· 6h ago +2.16%
$ZS moved +2.16% in 1 min (Level 1) at 9:41 AM ET
at $180.10
Alert· 6h ago 2.7× RVOL
ZS hit 2.727x RVOL at 9:41 AM ET
at $180.01
Alert· 7h ago +1.21%
$ZS moved +1.21% in 1 min (Level 1) at 8:11 AM ET
at $182.00
Alert· 9h ago +1.21%
$ZS moved +1.21% in 1 min (Level 1) at 6:59 AM ET
at $180.02
Alert· 1d ago +1.04%
$ZS moved +1.04% in 1 min (Level 1) at 2:10 PM ET
at $186.39
Alert· 1d ago 8.9× RVOL
ZS hit 8.896x RVOL at 12:52 PM ET
at $185.09
Alert· 2d ago +0.0% vs EMA
$ZS near 200 EMA: +0.03% from 200 EMA at 9:29 AM ET
at $185.00
Alert· 2d ago 2.9× RVOL
ZS hit 2.879x RVOL at 9:29 AM ET
at $185.00
Alert· 2d ago +1.15%
$ZS moved +1.15% in 1 min (Level 1) at 7:16 AM ET
at $183.88
Alert· 2d ago -0.5% vs EMA
$ZS near 200 EMA: -0.55% from 200 EMA at 6:54 AM ET
at $184.00
Alert· 2d ago 5.3× RVOL
ZS hit 5.332x RVOL at 6:54 AM ET
at $184.00
Alert· 2d ago +1.01%
$ZS moved +1.01% in 1 min (Level 1) at 5:36 AM ET
at $183.10
Alert· 2d ago 4.9× RVOL
ZS hit 4.892x RVOL at 5:29 AM ET
at $184.20
Alert· 3d ago +1.18%
$ZS moved +1.18% in 1 min (Level 1) at 3:40 PM ET
at $184.24
Alert· 3d ago +1.2% vs EMA
$ZS near 200 EMA: +1.22% from 200 EMA at 8:54 AM ET
at $186.75
Alert· 3d ago -1.78%
$ZS moved -1.78% in 1 min (Level 1) at 8:54 AM ET
at $186.75
Alert· 3d ago +0.6% vs EMA
$ZS near 200 EMA: +0.62% from 200 EMA at 7:59 AM ET
at $185.53
Alert· 3d ago +2.23%
$ZS moved +2.23% in 1 min (Level 2) at 7:59 AM ET
at $185.53
Alert· 3d ago 3.3× RVOL
ZS hit 3.325x RVOL at 7:59 AM ET
at $185.53
Alert· 3d ago +1.20%
$ZS moved +1.20% in 1 min (Level 1) at 7:10 AM ET
at $183.66
News· The Motley Fool· 4d ago Neutral
CrowdStrike Is One of My Largest Holdings and Trading Near Its All-Time High. Here's Why I'm Not Buying More Shares Right Now.
Alert· 6d ago -1.05%
$ZS moved -1.05% in 1 min (Level 1) at 11:59 AM ET
at $186.50
Alert· 6d ago +0.0% vs EMA
$ZS near 200 EMA: +0.01% from 200 EMA at 11:51 AM ET
at $185.78
Alert· 6d ago 4.8× RVOL
ZS hit 4.796x RVOL at 11:51 AM ET
at $185.78
Alert· 6d ago 7.1× RVOL
ZS hit 7.109x RVOL at 9:40 AM ET
at $188.23
Alert· 6d ago +1.8% vs EMA
$ZS near 200 EMA: +1.79% from 200 EMA at 9:03 AM ET
at $189.00
News· GlobeNewswire Inc.· 23d ago Neutral
Saviynt Exceeds $300 Million in ARR and Launches Zuma the Enterprise AI Identity Security Platform
News· GlobeNewswire Inc.· 36d ago Bearish
ZSCALER STOCKHOLDER ALERT: Bragar Eagel & Squire, P.C. is Investigating Zscaler, Inc. on Behalf of Zscaler Stockholders and Encourages Investors to Contact the Firm
News· Investing.com· 44d ago Bullish
5 Downgraded Stocks That May Reward Long-Term Investors
News· The Motley Fool· 44d ago Neutral
Should You Buy CrowdStrike After Its Recent Stock Split? The Answer Might Surprise You.
News· GlobeNewswire Inc.· 46d ago Bearish
CLASS ACTION INVESTIGATION: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Zscaler
News· The Motley Fool· 67d ago Bullish
The Invisible Layer Protecting the World's Biggest Companies
News· GlobeNewswire Inc.· 68d ago Bearish
INVESTOR ALERT: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Zscaler

Related SERVICES-COMPUTER stocks

Also moving today

The tickers our scanner is lighting up most over the last 48 hours.

ZS is in these themes

Curated groups ZS belongs to. Tap one to see every member with today's move and why the group is moving.

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.