CIEN
Ciena CorporationStock · Utilities$403.76−$5.07 (-1.24%)as of market close, Aug 6, 2026
CIEN weekly returns
Ciena Corporation has averaged 0.48% per week, positive in 53% of weeks. Week-by-week returns for Ciena Corporation (CIEN) below, through August 6, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.5%
1539 weeks
Best week
+63.4%
Apr 12, 2001
Worst week
-42.3%
Aug 21, 1998
Positive weeks
53%
of all weeks
Ciena Corporation weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Aug 6, 2026 | +7.1% | |
| Jul 31, 2026 | -3.6% | |
| Jul 24, 2026 | +4.4% | |
| Jul 17, 2026 | -18.7% | |
| Jul 10, 2026 | +9.1% | |
| Jul 2, 2026 | -11.9% | |
| Jun 26, 2026 | +12.0% | |
| Jun 18, 2026 | -4.0% | |
| Jun 12, 2026 | -8.6% | |
| Jun 5, 2026 | -15.9% | |
| May 29, 2026 | -0.6% | |
| May 22, 2026 | +5.3% |
Weekly total return (since Aug 16, 2024)
-20%-10%+0%+10%+20%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from CIEN's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ
- What is Ciena Corporation's average weekly return?
- Ciena Corporation (CIEN) has averaged about 0.48% per week, positive in roughly 53% of weeks. The best week was Apr 12, 2001 (+63.4%) and the worst was Aug 21, 1998 (-42.3%).