NYSE · CIEN · stock

Ciena Corp. (CIEN) stock price history

Every NYSE trading session of Ciena Corp. from Feb 7, 1997 to Sep 28, 2026: 7,455 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

CIEN adjusted close, 1997 to 2026

CIENCiena Corp.
$344.19+142.5% over one year
200020052010201520202025
$1,047
All time high, 2000
$637.51
52 week high, $143.00 low
7,455
Daily sessions since 1997

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1997 to 2026 series and minute bars.

CIEN key facts

  • Ciena Corp. (CIEN) closed at $344.19 on Sep 28, 2026 on NYSE.
  • CIEN's all time high close is $1,047, set on Oct 20, 2000; its all time low close is $5.09 on Feb 23, 2009.
  • CIEN's 52 week range is $143.00 to $637.51.
  • CIEN returned +142.5% over the year to Sep 28, 2026 and +570.3% over five years.
  • Over ten years CIEN returned +1,436%, +31.4% a year compounded.
  • CIEN's deepest drawdown was -99.5% from Oct 20, 2000 to Feb 23, 2009.
  • DataCedar holds 7,455 daily sessions of CIEN history from Feb 7, 1997 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

CIEN price chart, 1997 to 2026

CIEN adjusted close, Feb 7, 1997 to Sep 28, 2026$6.35$31.44$155.69$770.88200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

CIEN returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-9.1%
3 months-28.2%
6 months-14.3%
Year to date+44.4%
1 year+142.5%
3 years+627.2%
5 years+570.3%
10 years+1,436%
Since Feb 7, 1997+165.8%
Compound annual growth, 29.6 years+3.4%

CIEN records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$1,047 on Oct 20, 2000
All time low close
$5.09 on Feb 23, 2009
52 week high
$637.51 on Jun 3, 2026
52 week low
$143.00 on Sep 29, 2025
Deepest drawdown
-99.5% from Oct 20, 2000 to Feb 23, 2009, not yet recovered
Best single session
+41.5% on Sep 22, 1998
Worst single session
-45.0% on Aug 21, 1998
Volatility, 1 year annualised
72.9%
Sessions closing higher, 1 year
57%
Growth of 1 since 1997
2.7×
Best calendar year
1999, +293%
Worst calendar year
2001, -82%

CIEN price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1997 starts on Feb 7, 1997; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$241.00$637.51$216.07$344.19+47.2%531.6M185
2025$85.07$248.00$49.21$233.87+175.8%629.3M250
2024$44.53$91.82$43.30$84.81+88.4%466.9M252
2023$51.50$54.25$39.94$45.01-11.7%424.4M250
2022$76.77$77.38$38.33$50.98-33.8%422.5M251
2021$52.94$78.28$47.52$76.97+45.6%327.3M252
2020$43.25$61.52$30.58$52.85+23.8%529.7M253
2019$33.24$46.78$32.76$42.69+25.9%708.5M252
2018$21.06$36.55$20.71$33.91+62.0%776.8M251
2017$24.47$27.98$19.40$20.93-14.3%786.3M251
2016$20.19$25.19$15.62$24.41+18.0%789.8M252
2015$19.53$26.50$17.86$20.69+6.6%746.8M252
2014$23.93$27.16$13.77$19.41-18.9%896.2M252
2013$16.04$27.94$14.14$23.93+52.4%914.6M252
2012$12.43$18.39$11.45$15.70+29.8%1.3B250
2011$21.21$29.24$9.89$12.10-42.5%1.6B252
2010$10.92$21.69$10.80$21.05+94.2%1.6B252
2009$6.69$16.64$4.98$10.84+61.8%1.3B252
2008$33.78$35.82$5.07$6.70-80.4%1.1B253
2007$28.02$49.55$24.75$34.11+23.1%828.7M251
2006$20.79$39.34$20.37$27.71+33.3%704.4M251
2005$23.66$24.01$11.48$20.79-11.1%363.6M252
2004$47.25$56.98$11.69$23.38-49.1%457.8M252
2003$37.10$54.18$29.33$45.92+27.6%416.8M252
2002$102.06$121.10$16.87$35.98-64.1%380.3M252
2001$539.00$756.00$64.40$100.17-82.4%771.8M248
2000$204.31$1,057$158.81$568.75+182.6%470.2M252
1999$53.16$260.97$47.69$201.25+293.2%344.8M252
1998$216.56$323.31$28.44$51.19-76.1%358M252
1997$115.50$222.69$77.88$213.94n/a94.1M227

CIEN monthly closes, last 12 months

MonthMonth end closeChange
September 2026$344.19-10.1%
August 2026$382.80+1.5%
July 2026$377.05-23.1%
June 2026$490.56-15.5%
May 2026$580.23+10.0%
April 2026$527.58+35.9%
March 2026$388.23+11.3%
February 2026$348.70+38.5%
January 2026$251.81+7.7%
December 2025$233.87+14.5%
November 2025$204.21+7.5%
October 2025$189.92+30.4%

About the CIEN data

Daily bars. 7,455 sessions from Feb 7, 1997 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 7, 1997, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/CIEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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