Daily trading records
Qualys Stock Price on July 28, 2026
Direct answer
Qualys closed at $135.75 on July 28, 2026.
The open was $135.01, the high was $139.12 and the low was $131.91.
Volume was 641,559. The change from the prior close was +$0.96 (+0.71%).
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Review Qualys's price trend and period performance.
The chart connects verified session closes from April 30, 2026 through July 28, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-5.58%
From the July 21, 2026 close of $143.78 to $135.75 on July 28, 2026.
20-session performance
+5.79%
From the June 29, 2026 close of $128.32 to $135.75 on July 28, 2026.
60-session performance
+56.16%
From the April 30, 2026 close of $86.93 to $135.75 on July 28, 2026.
Verified data
- Open
- $135.01
- High
- $139.12
- Low
- $131.91
- Close
- $135.75
- Volume
- 641,559
- Prior-close change
- +$0.96 (+0.71%)
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Read the frequently asked questions.
What was Qualys's closing price on July 28, 2026?
Qualys closed at $135.75 on July 28, 2026.
What were Qualys's open, high and low on July 28, 2026?
The open was $135.01, the high was $139.12 and the low was $131.91.
How much did Qualys change from the prior close on July 28, 2026?
The change from the prior close was +$0.96 (+0.71%).
What was Qualys's volume on July 28, 2026?
Trading volume was 641,559 shares.
What is the source for Qualys's daily prices?
Daily aggregate prices are provided by Polygon.