analyst
CI
NYSE · CIEN
Ciena Corporation
Technology · Communication Equipment
$382.80
Up+$4.36 (+1.15%)
Updated Sep 1, 2026, 10:52 AM
SID Score
6.2/10
Composite research score
Smart Money
56/100
Neutral
- Market cap
- 34.24B
- P/E ratio
- 277.98
- Dividend yield
- 0.00%
- 52-week range
- $90.00 – $637.51
- Volume
- 1.83M
- Avg. volume
- 3.16M
Price performance
CIEN price history
1M range · 21 trading sessions · Daily adjusted prices
CIEN closed at $382.80 after 21 trading sessions, down 2.04% for the selected period.
- Last close
- $382.80
- Period change
- -2.04%
- Period low
- $371.95
- Period high
- $445.18
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 31, 2026 | $378.44 | $382.94 | $370.77 | $382.80 | 1.83M |
| Aug 28, 2026 | $400.42 | $400.50 | $376.64 | $378.44 | 1.32M |
| Aug 27, 2026 | $411.53 | $418.72 | $395.50 | $399.85 | 1.21M |
| Aug 26, 2026 | $387.23 | $406.44 | $387.23 | $404.03 | 1.19M |
| Aug 25, 2026 | $386.33 | $388.73 | $378.935 | $387.66 | 1.19M |
| Aug 24, 2026 | $386.26 | $386.26 | $362.48 | $371.95 | 1.78M |
| Aug 21, 2026 | $396.00 | $403.72 | $382.745 | $395.79 | 1.24M |
| Aug 20, 2026 | $400.35 | $404.3494 | $389.10 | $392.48 | 1.45M |
| Aug 19, 2026 | $415.50 | $415.50 | $392.67 | $399.47 | 1.77M |
| Aug 18, 2026 | $421.585 | $427.74 | $391.77 | $405.54 | 3.05M |
| Aug 17, 2026 | $438.38 | $458.00 | $427.445 | $445.18 | 2.49M |
| Aug 14, 2026 | $441.61 | $446.15 | $422.49 | $428.77 | 2.52M |
| Aug 13, 2026 | $430.32 | $462.69 | $427.00 | $442.79 | 2.91M |
| Aug 12, 2026 | $414.505 | $446.36 | $409.24 | $432.05 | 3.99M |
| Aug 11, 2026 | $388.84 | $394.9899 | $384.19 | $387.53 | 1.53M |
| Aug 10, 2026 | $420.00 | $420.00 | $387.28 | $387.70 | 2.02M |
| Aug 7, 2026 | $411.04 | $420.00 | $396.89 | $412.39 | 1.89M |
| Aug 6, 2026 | $396.05 | $419.49 | $390.5623 | $403.76 | 1.35M |
| Aug 5, 2026 | $408.56 | $424.58 | $399.07 | $408.83 | 1.77M |
| Aug 4, 2026 | $419.08 | $427.0029 | $405.01 | $411.13 | 2.07M |
| Aug 3, 2026 | $365.00 | $391.87 | $355.00 | $390.76 | 1.24M |
Latest CIEN news
The latest Smart Investors Daily articles mentioning CIEN.
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