Daily trading records
Ciena Stock Price on July 28, 2026
Direct answer
Ciena closed at $350.51 on July 28, 2026.
The open was $354.90, the high was $357.47 and the low was $328.80.
Volume was 4,180,798. The change from the prior close was -$26.76 (-7.09%).
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Review Ciena'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
-14.24%
From the July 21, 2026 close of $408.73 to $350.51 on July 28, 2026.
20-session performance
-26.81%
From the June 29, 2026 close of $478.93 to $350.51 on July 28, 2026.
60-session performance
-33.56%
From the April 30, 2026 close of $527.58 to $350.51 on July 28, 2026.
Verified data
- Open
- $354.90
- High
- $357.47
- Low
- $328.80
- Close
- $350.51
- Volume
- 4,180,798
- Prior-close change
- -$26.76 (-7.09%)
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Read the frequently asked questions.
What was Ciena's closing price on July 28, 2026?
Ciena closed at $350.51 on July 28, 2026.
What were Ciena's open, high and low on July 28, 2026?
The open was $354.90, the high was $357.47 and the low was $328.80.
How much did Ciena change from the prior close on July 28, 2026?
The change from the prior close was -$26.76 (-7.09%).
What was Ciena's volume on July 28, 2026?
Trading volume was 4,180,798 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.