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Closing prices for 09 October 2026
Next earnings report: 03 November 2026 · Earnings calendar
The series is stated in the current share scale after splits; dividends are not included in the price
Qualys, Inc. trades on Nasdaq under the ticker QLYS. The company belongs to the Technology sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks QLYS has traded between 74.51 $ and 204.41 $. As of 09 October 2026 the price stood 98.47 % of the way from the 52-week low to the high.
Over one year QLYS shares rose 56.64 %; over six months they rose 165.64 %. Volatility over 90 days is 60.32 %. Dividends are not included: this is price change only, as of 09 October 2026.
QLYS trades at a price-to-earnings ratio of 34.6, below the sector median of 35.6. Price to sales is 10.2, above the sector median of 3.6. Price to book is 12.2, above the sector median of 3.9. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 195.92 | 202.97 | 195.63 | 202.42 | 658,712 |
| 08 October 2026 | 194.94 | 201.79 | 187.21 | 193.86 | 865,800 |
| 07 October 2026 | 198.33 | 199.79 | 190.21 | 194.75 | 742,600 |
| 06 October 2026 | 200.01 | 204.41 |
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Qualys, Inc. (QLYS) is a public company in the technology sector. Its common stock trade on NASDAQ.
Over the trailing twelve months as reported to 2025-12-31, revenue was 669.1m $, net income was 198.3m $. Incorporated in US.
This summary is compiled automatically from SEC filings and exchange data.
Address:919 E. HILLSDALE BLVD., FOSTER CITY, CA, 94404, US
Qualys, Inc. reported revenue of 685M $ and net income of 201M $ over the last four quarters. Net margin is 29.41 %. Revenue changed by +10.17 % year over year. Earnings per share are 5.57 $. Market capitalisation is 7.0B $.
QLYS has a return on equity of 35.35 %, above the sector median of 1.63 %. Return on assets is 18.40 %, above the sector median of 0.49 %. Operating margin is 33.74 %, above the sector median of 1.10 %.
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| 195.78 |
| 199.93 |
| 741,200 |
| 05 October 2026 | 192.53 | 198.90 | 192.45 | 198.68 | 774,100 |
| 02 October 2026 | 188.87 | 195.40 | 188.87 | 193.00 | 477,400 |
| 01 October 2026 | 188.93 | 190.92 | 184.38 | 187.43 | 654,000 |
| 30 September 2026 | 179.14 | 190.27 | 178.23 | 187.20 | 673,500 |
| 29 September 2026 | 171.22 | 178.68 | 170.91 | 178.35 | 500,100 |
| 28 September 2026 | 168.79 | 175.63 | 168.06 | 173.83 | 600,600 |
| 25 September 2026 | 182.10 | 182.10 | 172.01 | 172.43 | 600,900 |
| 24 September 2026 | 185.42 | 190.00 | 182.69 | 182.94 | 391,700 |
| 23 September 2026 | 184.19 | 186.64 | 180.23 | 184.79 | 523,700 |
| 22 September 2026 | 183.86 | 186.55 | 177.65 | 183.32 | 727,200 |
| 21 September 2026 | 175.63 | 181.77 | 173.90 | 181.03 | 409,700 |
| 18 September 2026 | 178.44 | 179.71 | 172.23 | 174.96 | 2M |
| 17 September 2026 | 180.82 | 184.39 | 176.99 | 178.08 | 724,100 |
| 16 September 2026 | 179.60 | 184.46 | 177.74 | 183.06 | 812,600 |
| 15 September 2026 | 170.11 | 187.00 | 170.11 | 185.37 | 1M |
| 14 September 2026 | 153.34 | 175.52 | 153.34 | 172.91 | 1M |