Daily trading records
Ciena Stock Price on October 8, 2026
Direct answer
Ciena closed at $425.93 on October 8, 2026.
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Review Ciena's price trend and period performance.
The chart connects verified session closes from July 15, 2026 through October 8, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+12.34%
From the October 1, 2026 close of $379.14 to $425.93 on October 8, 2026.
20-session performance
+27.31%
From the September 10, 2026 close of $334.56 to $425.93 on October 8, 2026.
60-session performance
+1.79%
From the July 15, 2026 close of $418.46 to $425.93 on October 8, 2026.
Verified data
- Open
- $436.15
- High
- $443.99
- Low
- $421.11
- Close
- $425.93
- Volume
- 3,700,385
- Prior-close change
- -$20.52 (-4.60%)
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Read the frequently asked questions.
What was Ciena's closing price on October 8, 2026?
Ciena closed at $425.93 on October 8, 2026.
What were Ciena's open, high and low on October 8, 2026?
The open was $436.15, the high was $443.99 and the low was $421.11.
How much did Ciena change from the prior close on October 8, 2026?
The change from the prior close was -$20.52 (-4.60%).
What was Ciena's volume on October 8, 2026?
Trading volume was 3,700,385 shares.
What is the source for Ciena's daily prices?
Daily aggregate prices are provided by Polygon.