Daily trading records
Ciena Stock Price on August 19, 2026
Direct answer
Ciena closed at $399.47 on August 19, 2026.
The open was $415.50, the high was $415.50 and the low was $392.67.
Volume was 1,771,860. The change from the prior close was -$6.07 (-1.50%).
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Review Ciena's price trend and period performance.
The chart connects verified session closes from May 22, 2026 through August 19, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-7.54%
From the August 12, 2026 close of $432.05 to $399.47 on August 19, 2026.
20-session performance
+0.58%
From the July 22, 2026 close of $397.16 to $399.47 on August 19, 2026.
60-session performance
-31.57%
From the May 22, 2026 close of $583.74 to $399.47 on August 19, 2026.
Verified data
- Open
- $415.50
- High
- $415.50
- Low
- $392.67
- Close
- $399.47
- Volume
- 1,771,860
- Prior-close change
- -$6.07 (-1.50%)
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Read the frequently asked questions.
What was Ciena's closing price on August 19, 2026?
Ciena closed at $399.47 on August 19, 2026.
What were Ciena's open, high and low on August 19, 2026?
The open was $415.50, the high was $415.50 and the low was $392.67.
How much did Ciena change from the prior close on August 19, 2026?
The change from the prior close was -$6.07 (-1.50%).
What was Ciena's volume on August 19, 2026?
Trading volume was 1,771,860 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.