All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

CIEN: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

CIEN real return snapshot: after CPI-U inflation, CIEN returned +411.15% over the past year and +78.66% YTD, with dividends reinvested. Since Feb. 7, 1997, CIEN is up +58.54% in real purchasing-power return, or +1.58%/yr, and is currently −78.57% below its real total-return high on Oct. 20, 2000.

Data ending Mon Jul. 6, 2026

Fri 1997-02-07💬 to Mon 2026-07-06 YTD
Return 		1 Year
Return
CIEN × 		+78.66%
2026-07-06 		+411.15%
2026-07-06
Ciena Corp NYSE Common Stock

Returns

Fri 1997-02-07💬 to Mon 2026-07-06 Overall
Return 		Exponential
Trendline
CIEN × 		+58.54%
+1.58%/yr 		−4.38%/yr
(R2=0.133)
Ciena Corp NYSE Common Stock

Growth of $10,000

Fri 1997-02-07💬 to Mon 2026-07-06 Start
Value 		End
Value
CIEN × 		$10,000.00
1997-02-07 		$15,853.85
2026-07-06
Ciena Corp NYSE Common Stock

Annual Returns

Year CIEN
2026 (YTD) +78.66%
2025 +168.58%
2024 +83.15%
2023 −14.57%
2022 −37.79%
2021 +36.06%
2020 +22.14%
2019 +23.08%
2018 +58.99%
2017 −16.03%
2016 +15.59%
2015 +5.82%
2014 −19.50%
2013 +50.16%
2012 +27.54%
2011 −44.18%
2010 +91.33%
2009 +57.51%
2008 −80.38%
2007 +18.26%
2006 +30.01%
2005 −14.03%
2004 −50.69%
2003 +25.27%
2002 −64.92%
2001 −82.66%
2000 +173.34%
1999 +282.88%
1998 −76.45%
1997 +63.08%

Drawdowns

Fri 1997-02-07💬 to Mon 2026-07-06 Current
Drawdown 		Worst
Drawdown
CIEN × 		−78.57%
from 2000-10-20 peak 		−99.60%
2009-02-23
from 2000-10-20 peak
Ciena Corp NYSE Common Stock

Rolling Returns

Period ending Mon 2026-07-06 1
Year 		2
Years 		3
Years 		5
Years 		10
Years
CIEN × 		+411.15% +766.33%
+194.34%/yr 		+828.42%
+110.18%/yr 		+507.41%
+43.45%/yr 		+1,617.40%
+32.89%/yr
Ciena Corp NYSE Common Stock