Daily trading records
Ciena Stock Price on August 27, 2026
Direct answer
Ciena closed at $399.85 on August 27, 2026.
The open was $411.53, the high was $418.72 and the low was $395.50.
Volume was 1,208,679. The change from the prior close was -$4.18 (-1.03%).
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Review Ciena's price trend and period performance.
The chart connects verified session closes from June 2, 2026 through August 27, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+1.88%
From the August 20, 2026 close of $392.48 to $399.85 on August 27, 2026.
20-session performance
+7.47%
From the July 30, 2026 close of $372.07 to $399.85 on August 27, 2026.
60-session performance
-36.23%
From the June 2, 2026 close of $627.00 to $399.85 on August 27, 2026.
Verified data
- Open
- $411.53
- High
- $418.72
- Low
- $395.50
- Close
- $399.85
- Volume
- 1,208,679
- Prior-close change
- -$4.18 (-1.03%)
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Read the frequently asked questions.
What was Ciena's closing price on August 27, 2026?
Ciena closed at $399.85 on August 27, 2026.
What were Ciena's open, high and low on August 27, 2026?
The open was $411.53, the high was $418.72 and the low was $395.50.
How much did Ciena change from the prior close on August 27, 2026?
The change from the prior close was -$4.18 (-1.03%).
What was Ciena's volume on August 27, 2026?
Trading volume was 1,208,679 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.