Daily trading records
Ciena Stock Price on August 26, 2026
Direct answer
Ciena closed at $404.03 on August 26, 2026.
The open was $387.23, the high was $406.44 and the low was $387.23.
Volume was 1,194,540. The change from the prior close was +$16.37 (+4.22%).
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Review Ciena's price trend and period performance.
The chart connects verified session closes from June 1, 2026 through August 26, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+1.14%
From the August 19, 2026 close of $399.47 to $404.03 on August 26, 2026.
20-session performance
+22.30%
From the July 29, 2026 close of $330.37 to $404.03 on August 26, 2026.
60-session performance
-29.07%
From the June 1, 2026 close of $569.61 to $404.03 on August 26, 2026.
Verified data
- Open
- $387.23
- High
- $406.44
- Low
- $387.23
- Close
- $404.03
- Volume
- 1,194,540
- Prior-close change
- +$16.37 (+4.22%)
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Read the frequently asked questions.
What was Ciena's closing price on August 26, 2026?
Ciena closed at $404.03 on August 26, 2026.
What were Ciena's open, high and low on August 26, 2026?
The open was $387.23, the high was $406.44 and the low was $387.23.
How much did Ciena change from the prior close on August 26, 2026?
The change from the prior close was +$16.37 (+4.22%).
What was Ciena's volume on August 26, 2026?
Trading volume was 1,194,540 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.