Daily trading records
Ciena Stock Price on August 20, 2026
Direct answer
Ciena closed at $392.48 on August 20, 2026.
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Review Ciena'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
-11.36%
From the August 13, 2026 close of $442.79 to $392.48 on August 20, 2026.
20-session performance
-3.69%
From the July 23, 2026 close of $407.53 to $392.48 on August 20, 2026.
60-session performance
-34.85%
From the May 26, 2026 close of $602.39 to $392.48 on August 20, 2026.
Verified data
- Open
- $400.35
- High
- $404.3494
- Low
- $389.10
- Close
- $392.48
- Volume
- 1,453,149
- Prior-close change
- -$6.99 (-1.75%)
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Read the frequently asked questions.
What was Ciena's closing price on August 20, 2026?
Ciena closed at $392.48 on August 20, 2026.
What were Ciena's open, high and low on August 20, 2026?
The open was $400.35, the high was $404.3494 and the low was $389.10.
How much did Ciena change from the prior close on August 20, 2026?
The change from the prior close was -$6.99 (-1.75%).
What was Ciena's volume on August 20, 2026?
Trading volume was 1,453,149 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.