Ciena Corporation (CIEN)

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The chart shows the growth of an initial investment of $10,000 in Ciena Corporation, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

Ciena Corporation (CIEN) has returned 66.00% so far this year and 542.45% over the past 12 months. Looking at the last ten years, CIEN has achieved an annualized return of 35.32%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.

Based on dividend-adjusted daily data since Feb 7, 1997, CIEN's average daily return is +0.10%, while the average monthly return is +2.03%. At this rate, your investment would double in approximately 2.9 years.

Historically, 54% of months were positive and 46% were negative. The best month was Feb 2000 with a return of +143.5%, while the worst month was Aug 1998 at -62.0%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 10 months.

On a daily basis, CIEN closed higher 49% of trading days. The best single day was Sep 22, 1998 with a return of +41.5%, while the worst single day was Aug 21, 1998 at -45.0%.

Ciena Corporation has an annualized alpha of 12.10%, beta of 1.60, and R² of 0.21 versus S&P 500 Index. Calculated based on daily prices since February 10, 1997.

• This stock captured 179.43% of S&P 500 Index gains and 163.92% of its losses — amplifying both gains and losses, but participating more in upside than downside.
• R² of 0.21 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

CIEN ranks 99 for risk / return — in the top 99% of stocks on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.

The table below present risk-adjusted performance metrics for Ciena Corporation (CIEN) and compare them to a chosen benchmark (S&P 500 Index).

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the Ciena Corporation. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Ciena Corporation was 99.51%, occurring on Feb 23, 2009. The portfolio has not yet recovered.

The current Ciena Corporation drawdown is 62.90%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of Ciena Corporation over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.

The Valuation section provides an overview of how Ciena Corporation is priced in the market compared to other companies in the Communication Equipment industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.