Daily trading records
Ciena Stock Price on September 8, 2026
Direct answer
Ciena closed at $341.29 on September 8, 2026.
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Review Ciena's price trend and period performance.
The chart connects verified session closes from June 11, 2026 through September 8, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-10.84%
From the August 31, 2026 close of $382.80 to $341.29 on September 8, 2026.
20-session performance
-11.97%
From the August 10, 2026 close of $387.70 to $341.29 on September 8, 2026.
60-session performance
-23.34%
From the June 11, 2026 close of $445.22 to $341.29 on September 8, 2026.
Verified data
- Open
- $327.42
- High
- $349.78
- Low
- $325.69
- Close
- $341.29
- Volume
- 3,226,370
- Prior-close change
- +$20.29 (+6.32%)
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Read the frequently asked questions.
What was Ciena's closing price on September 8, 2026?
Ciena closed at $341.29 on September 8, 2026.
What were Ciena's open, high and low on September 8, 2026?
The open was $327.42, the high was $349.78 and the low was $325.69.
How much did Ciena change from the prior close on September 8, 2026?
The change from the prior close was +$20.29 (+6.32%).
What was Ciena's volume on September 8, 2026?
Trading volume was 3,226,370 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.