Ciena Corporation (CIEN)
Showing Closing Date Range from Oct 23 to Oct 30, 2026 compared to Oct 15 to Oct 22, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:ir.ciena.com
Current Period Close
$319.24
Oct 23, 2026 - Oct 30, 2026
Previous Period Close
$322.64
Oct 15, 2026 - Oct 22, 2026
Net Comparison Delta
$-3.40 (-1.05%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 30, 2026 | $319.24 | Oct 22, 2026 | $322.64 | -1.05% |
| Oct 29, 2026 | $349.45 | Oct 21, 2026 | $361.34 | -3.29% |
| Oct 28, 2026 | $363.21 | Oct 20, 2026 | $341.95 | +6.22% |
| Oct 27, 2026 | $351.15 | Oct 19, 2026 | $344.20 | +2.02% |
| Oct 26, 2026 | $335.93 | Oct 16, 2026 | $332.73 | +0.96% |
| Oct 23, 2026 | $320.26 | Oct 15, 2026 | $356.52 | -10.17% |