NASDAQ:QLYS | Historical Stock Price | QUALYS, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2012-09-28 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$10.21$18.78$34.53$63.48$116.73$214.632012-09-282026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2020

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2020-12-31$121.87$121.87377,800——
2020-12-30$119.73$119.73382,500——
2020-12-29$118.75$118.75384,800——
2020-12-28$123.63$123.63405,600——
2020-12-24$120.36$120.36168,000——
2020-12-23$122.49$122.49525,900——
2020-12-22$125.48$125.48783,600——
2020-12-21$116.12$116.121,454,000——
2020-12-18$124.54$124.542,801,800——
2020-12-17$104.95$104.95337,700——
2020-12-16$101.74$101.74421,000——
2020-12-15$102.04$102.04528,800——
2020-12-14$102.19$102.19857,200——
2020-12-11$95.05$95.05255,600——
2020-12-10$93.08$93.08195,400——
2020-12-09$92.46$92.46414,800——
2020-12-08$94.25$94.25300,400——
2020-12-07$91.71$91.71307,700——
2020-12-04$91.82$91.82286,000——
2020-12-03$92.74$92.74418,600——
2020-12-02$93.54$93.54280,000——
2020-12-01$94.38$94.38526,200——
2020-11-30$95.01$95.01507,400——
2020-11-27$93.71$93.71193,000——
2020-11-25$91.88$91.88267,000——
2020-11-24$91.28$91.28271,700——
2020-11-23$90.71$90.71283,400——
2020-11-20$91.33$91.33452,300——
2020-11-19$89.88$89.88415,600——
2020-11-18$89.17$89.17491,100——
2020-11-17$91.41$91.41349,700——
2020-11-16$91.01$91.01651,400——
2020-11-13$92.80$92.80449,600——
2020-11-12$90.47$90.47412,400——
2020-11-11$91.63$91.63418,900——
2020-11-10$91.92$91.92460,200——
2020-11-09$91.55$91.55406,000——
2020-11-06$91.99$91.99451,200——
2020-11-05$94.13$94.13925,400——
2020-11-04$94.74$94.74598,400——
2020-11-03$90.66$90.66362,100——
2020-11-02$89.87$89.87468,300——
2020-10-30$87.85$87.85486,100——
2020-10-29$91.11$91.11425,300——
2020-10-28$91.68$91.68419,000——
2020-10-27$96.03$96.03309,800——
2020-10-26$96.02$96.02292,900——
2020-10-23$97.67$97.67384,400——
2020-10-22$96.73$96.73550,800——
2020-10-21$98.48$98.48185,300——
2020-10-20$98.76$98.76151,400——
2020-10-19$100.37$100.37154,900——
2020-10-16$101.62$101.62176,300——
2020-10-15$101.75$101.75137,300——
2020-10-14$101.64$101.64224,400——
2020-10-13$104.34$104.34223,100——
2020-10-12$102.33$102.33249,100——
2020-10-09$99.90$99.90274,200——
2020-10-08$99.02$99.02206,500——
2020-10-07$98.90$98.90266,700——
2020-10-06$96.91$96.91262,500——
2020-10-05$98.34$98.34206,800——
2020-10-02$96.13$96.13278,000——
2020-10-01$97.56$97.56305,600——
2020-09-30$98.01$98.01419,600——
2020-09-29$99.46$99.46348,300——
2020-09-28$100.51$100.51409,600——
2020-09-25$99.19$99.19254,800——
2020-09-24$97.54$97.54386,100——
2020-09-23$97.11$97.11522,600——
2020-09-22$97.20$97.20233,100——
2020-09-21$96.11$96.11303,200——
2020-09-18$93.84$93.84819,700——
2020-09-17$93.87$93.87442,200——
2020-09-16$94.87$94.87381,900——
2020-09-15$98.45$98.45319,200——
2020-09-14$97.69$97.69304,600——
2020-09-11$96.23$96.23390,000——
2020-09-10$98.89$98.89374,200——
2020-09-09$103.49$103.49420,400——
2020-09-08$98.67$98.67405,600——
2020-09-04$100.27$100.27699,000——
2020-09-03$102.36$102.36699,800——
2020-09-02$110.99$110.99345,800——
2020-09-01$108.42$108.42634,000——
2020-08-31$106.14$106.14282,400——
2020-08-28$106.49$106.49211,500——
2020-08-27$106.72$106.72226,700——
2020-08-26$108.40$108.40260,600——
2020-08-25$107.06$107.06225,100——
2020-08-24$107.12$107.12201,300——
2020-08-21$106.13$106.13629,500——
2020-08-20$108.54$108.54316,500——
2020-08-19$107.59$107.59314,200——
2020-08-18$107.24$107.24362,700——
2020-08-17$104.69$104.69320,400——
2020-08-14$102.97$102.97317,400——
2020-08-13$103.73$103.73607,000——
2020-08-12$100.95$100.95680,600——
2020-08-11$104.76$104.761,348,500——
2020-08-10$112.87$112.87879,200——
2020-08-07$120.39$120.39446,400——
2020-08-06$123.52$123.52294,400——
2020-08-05$124.11$124.11295,100——
2020-08-04$124.02$124.02278,100——
2020-08-03$123.51$123.51281,500——
2020-07-31$123.48$123.48382,800——
2020-07-30$122.43$122.43414,100——
2020-07-29$121.65$121.65493,900——
2020-07-28$114.71$114.71370,900——
2020-07-27$113.50$113.50405,300——
2020-07-24$110.28$110.28334,900——
2020-07-23$111.57$111.57261,600——
2020-07-22$112.15$112.15324,700——
2020-07-21$112.85$112.85341,500——
2020-07-20$113.50$113.50292,100——
2020-07-17$108.49$108.49329,700——
2020-07-16$106.23$106.23554,800——
2020-07-15$109.74$109.74468,400——
2020-07-14$109.06$109.06400,700——
2020-07-13$106.93$106.93446,900——
2020-07-10$110.01$110.01291,400——
2020-07-09$109.49$109.49456,200——
2020-07-08$107.28$107.28318,200——
2020-07-07$105.95$105.95305,200——
2020-07-06$106.83$106.83369,400——
2020-07-02$104.71$104.71340,300——
2020-07-01$104.01$104.01403,300——
2020-06-30$104.02$104.02410,700——
2020-06-29$100.83$100.83444,800——
2020-06-26$100.87$100.87595,900——
2020-06-25$102.79$102.79467,800——
2020-06-24$102.43$102.43562,800——
2020-06-23$103.19$103.19497,500——
2020-06-22$103.17$103.17704,700——
2020-06-19$100.40$100.406,395,500——
2020-06-18$101.16$101.16859,100——
2020-06-17$103.20$103.20591,500——
2020-06-16$102.60$102.60543,000——
2020-06-15$101.61$101.61988,600——
2020-06-12$103.11$103.11517,800——
2020-06-11$102.28$102.28524,800——
2020-06-10$108.01$108.01329,200——
2020-06-09$107.38$107.38401,900——
2020-06-08$108.01$108.01579,400——
2020-06-05$108.54$108.54633,300——
2020-06-04$110.91$110.91351,500——
2020-06-03$114.29$114.29303,300——
2020-06-02$113.84$113.84614,100——
2020-06-01$117.93$117.93542,000——
2020-05-29$115.32$115.32414,100——
2020-05-28$111.66$111.66322,900——
2020-05-27$112.79$112.79703,700——
2020-05-26$117.32$117.32620,600——
2020-05-22$112.00$112.00275,300——
2020-05-21$109.60$109.60262,300——
2020-05-20$111.42$111.42397,900——
2020-05-19$109.36$109.36412,900——
2020-05-18$108.75$108.75563,200——
2020-05-15$105.81$105.81591,100——
2020-05-14$104.59$104.59564,400——
2020-05-13$101.77$101.77473,100——
2020-05-12$104.81$104.81445,200——
2020-05-11$106.52$106.52919,800——
2020-05-08$104.40$104.401,251,900——
2020-05-07$111.25$111.25727,600——
2020-05-06$105.41$105.41489,100——
2020-05-05$102.58$102.58438,000——
2020-05-04$101.24$101.24613,800——
2020-05-01$99.86$99.86520,200——
2020-04-30$105.44$105.44505,600——
2020-04-29$104.84$104.84635,100——
2020-04-28$104.80$104.80584,400——
2020-04-27$108.31$108.31341,800——
2020-04-24$109.26$109.26290,300——
2020-04-23$106.12$106.12361,000——
2020-04-22$107.55$107.55338,400——
2020-04-21$106.92$106.92544,900——
2020-04-20$107.84$107.84540,800——
2020-04-17$106.13$106.13766,300——
2020-04-16$105.81$105.81598,200——
2020-04-15$105.50$105.50658,700——
2020-04-14$107.24$107.24798,700——
2020-04-13$104.61$104.61608,400——
2020-04-09$100.70$100.701,094,200——
2020-04-08$95.50$95.50601,000——
2020-04-07$89.43$89.43433,400——
2020-04-06$91.13$91.13472,200——
2020-04-03$87.89$87.89604,100——
2020-04-02$85.54$85.54505,000——
2020-04-01$82.80$82.80421,500——
2020-03-31$86.99$86.99584,500——
2020-03-30$87.66$87.66525,200——
2020-03-27$84.14$84.14429,300——
2020-03-26$87.58$87.58463,100——
2020-03-25$80.88$80.88756,700——
2020-03-24$81.55$81.55450,700——
2020-03-23$78.06$78.06693,400——
2020-03-20$81.25$81.25792,900——
2020-03-19$78.84$78.84676,100——
2020-03-18$76.35$76.35762,700——
2020-03-17$74.39$74.39970,500——
2020-03-16$69.55$69.55674,500——
2020-03-13$71.35$71.35489,200——
2020-03-12$68.00$68.00758,100——
2020-03-11$74.40$74.40417,000——
2020-03-10$77.41$77.41478,500——
2020-03-09$75.01$75.01434,100——
2020-03-06$78.87$78.87328,800——
2020-03-05$82.23$82.23286,100——
2020-03-04$83.16$83.16255,700——
2020-03-03$79.95$79.95316,200——
2020-03-02$82.03$82.03315,800——
2020-02-28$80.18$80.18765,700——
2020-02-27$77.68$77.68454,300——
2020-02-26$81.88$81.88561,800——
2020-02-25$83.92$83.92391,600——
2020-02-24$88.86$88.86327,100——
2020-02-21$91.64$91.64243,300——
2020-02-20$94.32$94.32372,400——
2020-02-19$93.41$93.41334,700——
2020-02-18$92.86$92.86396,700——
2020-02-14$92.44$92.44423,000——
2020-02-13$90.08$90.08750,500——
2020-02-12$91.05$91.05646,200——
2020-02-11$89.61$89.61306,300——
2020-02-10$89.92$89.92254,500——
2020-02-07$88.57$88.57160,200——
2020-02-06$88.71$88.71242,400——
2020-02-05$87.97$87.97247,600——
2020-02-04$87.41$87.41171,300——
2020-02-03$85.57$85.57351,000——
2020-01-31$85.74$85.74250,500——
2020-01-30$86.81$86.81186,700——
2020-01-29$87.23$87.23305,200——
2020-01-28$87.22$87.22170,000——
2020-01-27$85.29$85.29243,100——
2020-01-24$86.75$86.75268,000——
2020-01-23$87.01$87.01261,200——
2020-01-22$86.10$86.10168,800——
2020-01-21$85.42$85.42230,600——
2020-01-17$84.90$84.90273,600——
2020-01-16$85.34$85.34189,200——
2020-01-15$85.34$85.34312,000——
2020-01-14$84.09$84.09238,800——
2020-01-13$83.95$83.95244,800——
2020-01-10$83.58$83.58252,800——
2020-01-09$84.08$84.08305,500——
2020-01-08$84.05$84.05347,100——
2020-01-07$83.69$83.69349,200——
2020-01-06$84.88$84.88440,100——
2020-01-03$83.57$83.57384,100——
2020-01-02$84.24$84.24210,600——