institutional
CI
NASDAQ · CIEN
Ciena Corporation
Technology · Communication Equipment
$400.40
Down-$40.80 (-10.19%)
Updated Oct 15, 2026, 1:23 AM
SID Score
6.0/10
Composite research score
Smart Money
62/100
Neutral
- Market cap
- 34.24B
- P/E ratio
- 277.98
- Dividend yield
- 0.00%
- 52-week range
- $153.27 – $637.51
- Volume
- 2.74M
- Avg. volume
- 3.16M
Price performance · CIEN
CIEN price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 13, 2026
CIEN closed at $400.40 after 20 trading sessions, up 17.59% for the selected period.
- Last close
- $400.40
- Period change
- +17.59%
- Period low
- $340.50
- Period high
- $449.77
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 13, 2026 | $393.33 | $401.87 | $381.64 | $400.40 | 2.74M |
| Oct 12, 2026 | $443.53 | $445.9476 | $400.20 | $405.01 | 3.33M |
| Oct 9, 2026 | $436.00 | $454.7282 | $424.02 | $449.77 | 3.78M |
| Oct 8, 2026 | $436.15 | $443.99 | $421.11 | $425.93 | 3.7M |
| Oct 7, 2026 | $428.975 | $448.00 | $422.304 | $446.45 | 3.37M |
| Oct 6, 2026 | $393.58 | $446.37 | $392.00 | $443.65 | 6.4M |
| Oct 5, 2026 | $393.77 | $397.47 | $382.50 | $389.69 | 2.47M |
| Oct 2, 2026 | $385.00 | $395.96 | $377.03 | $391.34 | 2.52M |
| Oct 1, 2026 | $355.19 | $381.00 | $350.68 | $379.14 | 2.57M |
| Sep 30, 2026 | $354.92 | $359.9823 | $340.52 | $351.82 | 2.66M |
| Sep 29, 2026 | $350.155 | $356.21 | $344.80 | $354.92 | 2.23M |
| Sep 28, 2026 | $352.415 | $356.985 | $339.33 | $344.19 | 1.83M |
| Sep 25, 2026 | $363.00 | $366.43 | $355.01 | $356.91 | 1.62M |
| Sep 24, 2026 | $350.40 | $363.46 | $346.56 | $358.43 | 1.42M |
| Sep 23, 2026 | $368.64 | $369.00 | $351.53 | $355.91 | 1.85M |
| Sep 22, 2026 | $364.31 | $376.74 | $363.14 | $368.56 | 2.41M |
| Sep 21, 2026 | $365.05 | $367.62 | $356.46 | $365.96 | 2.89M |
| Sep 18, 2026 | $355.87 | $358.00 | $338.25 | $348.80 | 4.87M |
| Sep 17, 2026 | $350.60 | $375.70 | $341.93 | $344.25 | 3.77M |
| Sep 16, 2026 | $350.09 | $375.20 | $327.50 | $340.50 | 3.96M |
Latest CIEN news
The latest Smart Investors Daily articles mentioning CIEN.
Stock researchCompany · Forecast
Company
Market Activity
Research & News
Loading stock research…