Daily trading records
Qualys Stock Price on August 20, 2026
Direct answer
Qualys closed at $182.21 on August 20, 2026.
The open was $185.00, the high was $187.2785 and the low was $181.54.
Volume was 403,311. The change from the prior close was -$4.47 (-2.39%).
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Review Qualys's price trend and period performance.
The chart connects verified session closes from May 26, 2026 through August 20, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-6.98%
From the August 13, 2026 close of $195.88 to $182.21 on August 20, 2026.
20-session performance
+36.24%
From the July 23, 2026 close of $133.74 to $182.21 on August 20, 2026.
60-session performance
+78.10%
From the May 26, 2026 close of $102.31 to $182.21 on August 20, 2026.
Verified data
- Open
- $185.00
- High
- $187.2785
- Low
- $181.54
- Close
- $182.21
- Volume
- 403,311
- Prior-close change
- -$4.47 (-2.39%)
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Read the frequently asked questions.
What was Qualys's closing price on August 20, 2026?
Qualys closed at $182.21 on August 20, 2026.
What were Qualys's open, high and low on August 20, 2026?
The open was $185.00, the high was $187.2785 and the low was $181.54.
How much did Qualys change from the prior close on August 20, 2026?
The change from the prior close was -$4.47 (-2.39%).
What was Qualys's volume on August 20, 2026?
Trading volume was 403,311 shares.
What is the source for Qualys's daily prices?
Daily aggregate prices are provided by Polygon.