Daily trading records
Ciena Stock Price on October 16, 2026
Direct answer
Ciena closed at $332.73 on October 16, 2026.
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Review Ciena's price trend and period performance.
The chart connects verified session closes from July 23, 2026 through October 16, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-26.02%
From the October 9, 2026 close of $449.77 to $332.73 on October 16, 2026.
20-session performance
-4.61%
From the September 18, 2026 close of $348.80 to $332.73 on October 16, 2026.
60-session performance
-18.35%
From the July 23, 2026 close of $407.53 to $332.73 on October 16, 2026.
Verified data
- Open
- $350.95
- High
- $354.60
- Low
- $330.985
- Close
- $332.73
- Volume
- 3,201,307
- Prior-close change
- -$23.79 (-6.67%)
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Read the frequently asked questions.
What was Ciena's closing price on October 16, 2026?
Ciena closed at $332.73 on October 16, 2026.
What were Ciena's open, high and low on October 16, 2026?
The open was $350.95, the high was $354.60 and the low was $330.985.
How much did Ciena change from the prior close on October 16, 2026?
The change from the prior close was -$23.79 (-6.67%).
What was Ciena's volume on October 16, 2026?
Trading volume was 3,201,307 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.