US stock · data to 2026-10-20
Ciena (CIEN)
Ciena: $342.00 on 2026-10-20. +3.3% a year since 1997, worst fall -100%. Year-by-year returns, risk profile and what followed its price patterns in the past.
Open the interactive chart and full historyKey numbers
| Last close | $342.00 |
| Return a year since 1997 | +3.3% |
| All-time high | $1,046 (2000-10-20) |
| Below its high | -67.3% |
| Worst fall | -100% (2009-02-23) |
| Yearly volatility | 67% |
| Beta vs its index | 1.60 |
| Risk / reward vs its market | High risk · High reward |
Returns by year
| Year | Return |
|---|---|
| 2026 | +46.2% |
| 2025 | +175.8% |
| 2024 | +88.4% |
| 2023 | -11.7% |
| 2022 | -33.8% |
| 2021 | +45.6% |
| 2020 | +23.8% |
| 2019 | +25.9% |
| 2018 | +62.0% |
| 2017 | -14.3% |
| 2016 | +18.0% |
| 2015 | +6.6% |
What followed its price patterns in the past
How often CIEN was higher 40 trading days after each pattern, next to an ordinary day. History for learning, not a forecast.
| Pattern | Past cases | Higher after 40 days | On an ordinary day | Median move |
|---|---|---|---|---|
| Big up day | 102 | 58% | 55% | +3.8% |
| Up streak | 94 | 55% | 55% | +1.1% |
| Down streak | 91 | 54% | 55% | +2.8% |
| Volume spike on an up day | 89 | 57% | 55% | +4.5% |
| RSI rises above 70 | 85 | 56% | 55% | +1.7% |
| Volume spike on a down day | 84 | 46% | 55% | -1.4% |
| Crosses above 200-day avg | 78 | 60% | 55% | +6.6% |
| Falls below 200-day avg | 74 | 70% | 55% | +10.3% |
| Big down day | 70 | 54% | 55% | +3.0% |
| New 52-week high | 66 | 55% | 55% | +2.5% |
| RSI drops below 30 | 58 | 47% | 55% | -1.4% |
| Squeeze breakout up | 50 | 56% | 55% | +1.6% |
ZOSH shows history and calculations for learning. It is not investment advice and does not tell anyone to buy or sell. Data: Yahoo Finance, AMFI, NSE and official sources; it can be late or wrong, so check before acting.