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View Price for QLYS.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Price Data

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Date Open High Low Close Volume
Aug 21, 2026 181.75 183.58 176.61 181.98 511326.0
Aug 20, 2026 185.00 187.28 181.54 182.21 403311.0
Aug 19, 2026 188.03 188.73 181.46 186.68 447656.0
Aug 18, 2026 185.62 188.81 182.79 187.98 544383.0
Aug 17, 2026 184.12 185.23 178.26 183.31 772187.0
Aug 14, 2026 196.30 196.72 185.79 186.05 565524.0
Aug 13, 2026 188.59 196.59 186.71 195.88 643326.0
Aug 12, 2026 185.13 188.84 183.28 187.15 513355.0
Aug 11, 2026 185.80 189.60 180.40 188.31 722617.0
Aug 10, 2026 182.15 192.73 182.08 185.80 923340.0
Aug 07, 2026 183.45 184.39 178.30 183.48 742962.0
Aug 06, 2026 180.00 184.40 174.96 181.78 1.260M
Aug 05, 2026 198.42 201.54 181.09 183.25 1.621M
Aug 04, 2026 152.26 162.74 150.62 161.06 1.046M
Aug 03, 2026 147.95 155.74 146.36 154.89 959868.0
Jul 31, 2026 141.71 145.33 137.81 144.75 658749.0
Jul 30, 2026 131.99 143.41 131.00 141.71 1.053M
Jul 29, 2026 137.35 138.55 133.03 135.13 720000.0
Jul 28, 2026 135.01 139.12 131.91 135.75 641558.0
Jul 27, 2026 138.86 140.60 134.64 134.79 786012.0
Jul 24, 2026 134.53 137.51 131.98 137.48 539381.0
Jul 23, 2026 142.12 142.44 133.04 133.74 748987.0
Jul 22, 2026 145.15 147.49 138.76 140.23 699395.0
Jul 21, 2026 155.66 155.66 141.91 143.78 1.163M
Jul 20, 2026 158.19 160.78 155.77 156.37 492757.0

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

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