$445.98
+0.760 (+0.171%)
At Close: Jun 12, 2026
| Range | Low Price | High Price | Comment |
|---|---|---|---|
| 30 days | $417.34 | $637.51 | Friday, 12th Jun 2026 CIEN stock ended at $445.98. This is 0.171% more than the trading day before Thursday, 11th Jun 2026. During the day the stock fluctuated 4.03% from a day low at $440.71 to a day high of $458.47. |
| 90 days | $344.99 | $637.51 | |
| 52 weeks | $71.72 | $637.51 |
Historical Ciena Corporation prices
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Jun 12, 2026 | $451.58 | $458.47 | $440.71 | $445.98 | 2 170 876 |
| Jun 11, 2026 | $441.66 | $451.10 | $430.82 | $445.22 | 2 975 772 |
| Jun 10, 2026 | $437.75 | $450.78 | $424.58 | $434.65 | 3 858 246 |
| Jun 09, 2026 | $465.91 | $467.60 | $417.34 | $439.34 | 7 851 965 |
| Jun 08, 2026 | $489.78 | $491.00 | $457.79 | $466.67 | 5 611 074 |
| Jun 05, 2026 | $512.31 | $525.15 | $488.14 | $488.21 | 4 195 421 |
| Jun 04, 2026 | $552.39 | $552.39 | $491.00 | $535.63 | 7 611 820 |
| Jun 03, 2026 | $628.51 | $637.51 | $609.79 | $620.37 | 2 654 015 |
| Jun 02, 2026 | $583.58 | $629.61 | $581.63 | $627.00 | 2 725 900 |
| Jun 01, 2026 | $559.52 | $579.97 | $552.59 | $569.61 | 2 894 237 |
| May 29, 2026 | $566.02 | $582.20 | $539.59 | $580.23 | 2 288 838 |
| May 28, 2026 | $598.80 | $604.43 | $561.30 | $570.18 | 1 809 003 |
| May 27, 2026 | $605.54 | $605.54 | $576.88 | $582.08 | 1 748 942 |
| May 26, 2026 | $591.00 | $605.61 | $576.00 | $602.39 | 1 404 230 |
| May 22, 2026 | $599.00 | $599.49 | $574.95 | $583.74 | 1 413 086 |
| May 21, 2026 | $557.00 | $590.03 | $555.71 | $587.23 | 1 545 093 |
| May 20, 2026 | $554.21 | $572.39 | $545.10 | $554.76 | 1 984 272 |
| May 19, 2026 | $511.37 | $542.72 | $499.01 | $541.92 | 2 309 960 |
| May 18, 2026 | $552.41 | $567.08 | $516.61 | $524.53 | 2 318 317 |
| May 15, 2026 | $571.30 | $574.20 | $553.30 | $554.46 | 2 420 403 |
| May 14, 2026 | $577.90 | $591.57 | $566.00 | $591.57 | 1 119 407 |
| May 13, 2026 | $594.00 | $598.84 | $562.50 | $577.90 | 1 265 749 |
| May 12, 2026 | $567.78 | $582.00 | $546.98 | $577.15 | 1 599 282 |
| May 11, 2026 | $558.00 | $593.00 | $550.49 | $581.47 | 2 378 731 |
| May 08, 2026 | $549.00 | $564.83 | $538.77 | $548.11 | 1 495 383 |
FAQ
What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.
Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.
Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.
How can I use CIEN stock historical prices to predict future price movements?
Trend Analysis: Examine the CIEN stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.
What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.
This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.
A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.
This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.
A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.
Why do the CIEN stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.
How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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