$QLYS
Qualys, Inc. Common Stock
XNAS•Technology•Services-Prepackaged Software
Why is QLYS down today? It is at $182.21 (-2.39%), and our scanner flagged it 43 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment QLYS spikes, and full due diligence on QLYS — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $182.21
- Change today
- -2.39%
- Previous close
- $186.68
- 52-week range
- $74.51 – $201.54
- Market cap
- $6.50B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 3.7M ▼ -3% vs prior · as of 2026-07-31
- Days to cover
- 5.1d
- Avg daily volume
- 625K
- Sector
- Technology
- Industry
- Services-Prepackaged Software
- Exchange
- XNAS
- 5m
- 0.6x
- 15m
- 0.6x
- 1h
- 0.5x
- 1D
- 0.1x
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Why is $QLYS down today?
Here is the latest on QLYS from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for QLYS today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Insiders
6 buys, 22 sells last 3 months (13/65 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Thakar Sumedh S Officer | Sold (automatic/other) | -3K | sold 1.7% | 184K | $596K at $186.28 | Aug 14, 26 |
Kim Joo Mi Officer | Sold (automatic/other) | -2K | sold 2.1% | 76K | $240K at $147.22 | Aug 3, 26 |
Thakar Sumedh S Officer | Sold (automatic/other) | -7K 0.02% of company | sold 3.5% | 187K | $977K at $144.75 | Aug 1, 26 |
Posey Bruce K Officer | Sold (automatic/other) | -2K | sold 3.6% | 60K | $328K at $144.75 | Aug 1, 26 |
Kim Joo Mi Officer | Sold (automatic/other) | -4K 0.01% of company | sold 4.7% | 77K | $557K at $144.75 | Aug 1, 26 |
Pfeiffer Wendy Director | Sold (automatic/other) | -500 | sold 3.9% | 12K | $79K at $158.19 | Jul 20, 26 |
Posey Bruce K Officer | Sold (automatic/other) | -882 | sold 1.4% | 63K | $138K at $156.71 | Jul 20, 26 |
Thakar Sumedh S Officer | Sold (automatic/other) | -3K | sold 1.6% | 193K | $478K at $149.30 | Jul 14, 26 |
Posey Bruce K Officer | Sold (automatic/other) | -1K | sold 1.5% | 64K | $155K at $155.00 | Jul 6, 26 |
Kim Joo Mi Officer | Sold (automatic/other) | -965 | sold 1.2% | 81K | $138K at $143.44 | Jul 2, 26 |
Thakar Sumedh S Officer | Sold (automatic/other) | -30K 0.09% of company | sold 13% | 197K | $3.9M at $130.00 | Jun 30, 26 |
Thakar Sumedh S Officer | Sold (automatic/other) | -10K 0.03% of company | sold 4.2% | 227K | $1.3M at $125.60 | Jun 29, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $QLYS. 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.
$QLYS Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$QLYS Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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QLYS stock FAQ
Why is $QLYS down today?
Here is the latest on QLYS from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for QLYS today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the QLYS stock price today?
QLYS last traded at $182.21, down 2.39% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live QLYS alerts?
The QLYS 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 QLYS 43 times in the last 30 days.
What exchange is QLYS on?
QLYS (Qualys, Inc. Common Stock) trades on XNAS, with a market cap of about $6.50B in the SERVICES-PREPACKAGED SOFTWARE sector.
Is QLYS 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 QLYS for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.