Qualys (QLYS) Stock Chart & Stock Price History $133.46 -2.19 (-1.61%) Closing price 04:00 PM EasternExtended Trading$133.44 -0.02 (-0.01%) As of 04:57 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Qualys Stock Price Performance The Qualys (QLYS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 7.45%, with a year-to-date return of -4.82%. In the past month, the stock has increased 3.10%, reflecting recent market activity. As of the latest close, Qualys traded at $135.65 with a market cap of $4.75 billion and volume of 246,417 shares. Five years ago, the stock traded at $96.23, representing a 38.69% increase over that period. At the time, it had a market cap of $3.78 billion and a volume of 390,033 shares. Receive QLYS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Qualys and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-1.10%1 Month Performance+3.10%3 Month Performance-5.13%Year-To-Date Performance-4.82%1 Year Performance+7.45%5 Year Performance+38.69% QLYS Stock Chart for Friday, September, 12, 2025 QLYS Chart by TradingView Qualys Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/11/2025$131.53$135.65+3.13%$135.75$131.37246,417 shs$4.75 billion09/10/2025$133.11$131.53-1.19%$134.24$131.22244,945 shs$4.75 billion09/09/2025$135.16$133.11-1.52%$135.12$132.21282,307 shs$4.81 billion09/08/2025$134.95$135.16+0.16%$135.47$133.22286,217 shs$4.88 billion09/05/2025$134.29$134.95+0.49%$137.00$133.49334,396 shs$4.87 billion09/04/2025$135.88$134.29-1.17%$135.95$133.55300,421 shs$4.85 billion09/03/2025$133.77$135.88+1.58%$136.47$133.11340,886 shs$4.91 billion09/02/2025$135.81$133.77-1.50%$134.08$131.36378,897 shs$4.83 billion09/01/2025$135.81$135.81$137.27$132.00332,327 shs$4.90 billion08/29/2025$135.33$135.81+0.35%$137.27$132.00332,327 shs$4.90 billion Get the Latest News and Ratings for QLYS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Qualys and its competitors with MarketBeat's FREE daily newsletter. 08/28/2025$134.66$135.33+0.50%$135.34$134.05219,012 shs$4.89 billion08/27/2025$131.49$134.66+2.41%$135.49$132.00345,492 shs$4.86 billion08/26/2025$132.49$131.49-0.75%$133.29$131.49534,968 shs$4.75 billion08/25/2025$134.54$132.49-1.52%$134.74$132.23203,270 shs$4.78 billion08/22/2025$130.62$134.54+3.00%$135.83$130.87289,420 shs$4.86 billion08/21/2025$132.11$130.62-1.13%$131.65$129.88220,443 shs$4.72 billion08/20/2025$133.10$132.11-0.74%$133.57$131.35299,051 shs$4.77 billion08/19/2025$130.65$133.10+1.88%$133.69$131.30304,413 shs$4.80 billion08/18/2025$129.15$130.65+1.16%$130.75$128.84223,318 shs$4.72 billion08/15/2025$129.16$129.15-0.01%$131.00$128.71232,702 shs$4.66 billion08/14/2025$132.18$129.16-2.28%$131.77$129.08236,618 shs$4.66 billion08/13/2025$129.45$132.18+2.11%$132.67$129.41283,662 shs$4.77 billion08/12/2025$127.89$129.45+1.22%$129.93$127.77331,686 shs$4.67 billion08/11/2025$128.46$127.89-0.44%$131.50$127.71302,337 shs$4.62 billion Related Companies RPD Stock Chart TENB Stock Chart CVLT Stock Chart AI Stock Chart PRGS Stock Chart MSFT Stock Chart ORCL Stock Chart NOW Stock Chart FTNT Stock Chart AXON Stock Chart Receive QLYS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Qualys and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:QLYS) was last updated on 9/12/2025 by MarketBeat.com Staff From Our PartnersForget NVDA. Put $1,000 into this stock nowA massive money shift is underway in the AI market. 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