Daily trading records
Ciena Stock Price on October 19, 2026
Direct answer
Ciena closed at $344.20 on October 19, 2026.
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Review Ciena's price trend and period performance.
The chart connects verified session closes from July 24, 2026 through October 19, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-15.01%
From the October 12, 2026 close of $405.01 to $344.20 on October 19, 2026.
20-session performance
-5.95%
From the September 21, 2026 close of $365.96 to $344.20 on October 19, 2026.
60-session performance
-11.96%
From the July 24, 2026 close of $390.96 to $344.20 on October 19, 2026.
Verified data
- Open
- $348.31
- High
- $354.45
- Low
- $338.79
- Close
- $344.20
- Volume
- 3,063,999
- Prior-close change
- +$11.47 (+3.45%)
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Read the frequently asked questions.
What was Ciena's closing price on October 19, 2026?
Ciena closed at $344.20 on October 19, 2026.
What were Ciena's open, high and low on October 19, 2026?
The open was $348.31, the high was $354.45 and the low was $338.79.
How much did Ciena change from the prior close on October 19, 2026?
The change from the prior close was +$11.47 (+3.45%).
What was Ciena's volume on October 19, 2026?
Trading volume was 3,063,999 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.