Daily trading records
Ciena Stock Price on October 12, 2026
Direct answer
Ciena closed at $405.01 on October 12, 2026.
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Review Ciena's price trend and period performance.
The chart connects verified session closes from July 17, 2026 through October 12, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+3.93%
From the October 5, 2026 close of $389.69 to $405.01 on October 12, 2026.
20-session performance
+26.71%
From the September 14, 2026 close of $319.64 to $405.01 on October 12, 2026.
60-session performance
+8.17%
From the July 17, 2026 close of $374.41 to $405.01 on October 12, 2026.
Verified data
- Open
- $443.53
- High
- $445.9476
- Low
- $400.20
- Close
- $405.01
- Volume
- 3,326,186
- Prior-close change
- -$44.76 (-9.95%)
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Read the frequently asked questions.
What was Ciena's closing price on October 12, 2026?
Ciena closed at $405.01 on October 12, 2026.
What were Ciena's open, high and low on October 12, 2026?
The open was $443.53, the high was $445.9476 and the low was $400.20.
How much did Ciena change from the prior close on October 12, 2026?
The change from the prior close was -$44.76 (-9.95%).
What was Ciena's volume on October 12, 2026?
Trading volume was 3,326,186 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.