Market Cap

$45.42B

Current · Retrieved: Oct 25, 2026 · USD

CIEN Market Cap

Current$45.42BretrievedOct 25, 2026

CIEN Market Cap ($18.36B → $45.42B · CAGR +3.1%)

Latest values, visible window

High-resolution chart · PNG

CIEN market cap history

Daily history. Dates identify market observations.

Ciena Corporation Common Stock Market Cap — Daily history
Date	Market Cap
Nov 7, 2003	6,849,351,758
Oct 31, 2003	6,362,948,517
Oct 24, 2003	5,936,104,857
Oct 17, 2003	6,263,682,549
Oct 10, 2003	6,392,728,307
Oct 3, 2003	6,194,196,372
Sep 26, 2003	5,757,426,115
Sep 19, 2003	6,740,159,193
Sep 12, 2003	6,869,204,951
Sep 5, 2003	6,879,131,264
Aug 29, 2003	6,452,287,888
Aug 22, 2003	5,816,985,696
Aug 15, 2003	5,489,407,861
Aug 8, 2003	5,201,536,697
Aug 1, 2003	5,727,646,183
Jul 25, 2003	5,797,132,644
Jul 18, 2003	5,509,260,913
Jul 11, 2003	6,382,801,427
Jul 3, 2003	5,469,554,809
Jun 27, 2003	5,161,830,594
Jun 20, 2003	5,042,711,291
Jun 13, 2003	5,251,169,539
Jun 6, 2003	5,658,160,431
May 30, 2003	5,707,793,131
May 23, 2003	4,834,252,617
May 16, 2003	5,409,995,512
May 9, 2003	5,360,362,103
May 2, 2003	5,290,876,210
Apr 25, 2003	4,189,023,970
Apr 17, 2003	4,496,748,186
Apr 11, 2003	4,347,849,377
Apr 4, 2003	4,715,133,456
Mar 28, 2003	4,397,482,360
Mar 21, 2003	4,943,445,323
Mar 14, 2003	4,844,179,214
Mar 7, 2003	5,241,242,942
Feb 28, 2003	5,380,215,297
Feb 21, 2003	5,300,802,806
Feb 14, 2003	5,608,527,022
Feb 7, 2003	5,419,921,967
Jan 31, 2003	5,757,425,831
Jan 24, 2003	6,333,168,727
Jan 17, 2003	6,154,490,269
Jan 10, 2003	7,286,122,156
Jan 3, 2003	5,638,306,670
Dec 27, 2002	5,320,655,858
Dec 20, 2002	5,290,876,210
Dec 13, 2002	5,826,912,292
Dec 6, 2002	5,916,251,805
Nov 29, 2002	6,601,186,697
Nov 22, 2002	5,539,041,128
Nov 15, 2002	4,556,308,050
Nov 8, 2002	3,921,005,716
Nov 1, 2002	4,347,849,377
Oct 25, 2002	3,682,767,252
Oct 18, 2002	2,719,887,510
Oct 11, 2002	2,630,547,997
Oct 4, 2002	2,441,942,659
Sep 27, 2002	3,156,657,767
Sep 20, 2002	3,464,382,266
Sep 13, 2002	4,089,757,861
Sep 6, 2002	3,921,005,716
Aug 30, 2002	4,020,271,684
Aug 23, 2002	4,129,464,390
Aug 16, 2002	4,159,244,038
Aug 9, 2002	4,010,345,229
Aug 2, 2002	3,722,473,781
Jul 26, 2002	4,000,418,348
Jul 19, 2002	5,141,976,833
Jul 12, 2002	5,519,187,509
Jul 5, 2002	4,605,940,892
Jun 28, 2002	4,159,244,038
Jun 21, 2002	3,921,005,716
Jun 14, 2002	4,198,950,567
Jun 7, 2002	5,102,270,730
May 31, 2002	5,618,453,619
May 24, 2002	6,035,370,966
May 17, 2002	7,127,296,183
May 10, 2002	6,482,067,536
May 3, 2002	6,849,351,616
Apr 26, 2002	7,444,947,563
Apr 19, 2002	8,576,579,592
Apr 12, 2002	7,494,580,263
Apr 5, 2002	8,070,323,158
Mar 28, 2002	8,933,937,075
Mar 22, 2002	8,507,093,698
Mar 15, 2002	8,884,304,375
Mar 8, 2002	9,201,955,046
Mar 1, 2002	8,050,469,964
Feb 22, 2002	7,514,434,023
Feb 15, 2002	8,665,919,105
Feb 8, 2002	9,390,560,667
Feb 1, 2002	11,911,916,100
Jan 25, 2002	13,321,493,122
Jan 18, 2002	13,440,611,858
Jan 11, 2002	14,532,538,068
Jan 4, 2002	16,349,104,989
Dec 28, 2001	14,105,694,124
Dec 21, 2001	14,324,079,394
Dec 14, 2001	14,155,326,966