GER:CIE1

Ciena Stock Price (Quote)

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382.05€
+14.90 (+4.06%)
At Close: Jul 03, 2026

Range Low Price High Price Comment
30 days 364.45€ 557.20€ Friday, 3rd Jul 2026 CIE1.DE stock ended at 382.05€. This is 4.06% more than the trading day before Thursday, 2nd Jul 2026. During the day the stock fluctuated 3.19% from a day low at 370.25€ to a day high of 382.05€.
90 days 364.45€ 557.20€
52 weeks 99.14€ 557.20€

Historical Ciena Corporation prices

Date Open High Low Close Volume
Jul 03, 2026 375.10€ 382.05€ 370.25€ 382.05€ 264
Jul 02, 2026 405.25€ 408.40€ 367.15€ 367.15€ 749
Jul 01, 2026 428.95€ 429.70€ 404.85€ 407.15€ 486
Jun 30, 2026 421.10€ 427.00€ 416.00€ 420.45€ 459
Jun 29, 2026 422.85€ 428.20€ 382.25€ 421.85€ 1 076
Jun 26, 2026 413.70€ 421.05€ 401.90€ 418.15€ 706
Jun 25, 2026 422.00€ 430.05€ 399.85€ 423.35€ 1 267
Jun 24, 2026 408.00€ 421.25€ 390.15€ 413.85€ 1 485
Jun 23, 2026 387.25€ 410.35€ 378.55€ 400.15€ 1 077
Jun 22, 2026 371.25€ 386.55€ 371.15€ 383.00€ 720
Jun 19, 2026 375.30€ 375.30€ 364.45€ 370.95€ 233
Jun 18, 2026 382.50€ 392.85€ 370.65€ 372.40€ 674
Jun 17, 2026 377.80€ 385.85€ 366.70€ 385.85€ 642
Jun 16, 2026 398.60€ 405.00€ 372.05€ 372.15€ 305
Jun 15, 2026 399.95€ 411.00€ 385.75€ 395.65€ 752
Jun 12, 2026 381.60€ 393.40€ 381.60€ 391.50€ 1 054
Jun 11, 2026 376.45€ 391.00€ 376.45€ 385.50€ 785
Jun 10, 2026 372.05€ 389.05€ 368.25€ 369.95€ 2 690
Jun 09, 2026 401.90€ 411.15€ 364.50€ 376.05€ 1 070
Jun 08, 2026 422.50€ 435.40€ 396.45€ 401.65€ 1 605
Jun 05, 2026 450.90€ 456.95€ 424.40€ 435.15€ 1 830
Jun 04, 2026 530.90€ 530.90€ 423.05€ 459.95€ 2 697
Jun 03, 2026 539.80€ 557.20€ 525.50€ 541.70€ 1 890
Jun 02, 2026 488.20€ 532.10€ 488.20€ 532.00€ 859
Jun 01, 2026 495.05€ 504.40€ 474.70€ 492.05€ 859

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.

How can I use CIE1.DE stock historical prices to predict future price movements?
Trend Analysis: Examine the CIE1.DE 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.

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.

Why do the CIE1.DE 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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