Market Cap

$45.42B

Current · Retrieved: Oct 26, 2026 · USD

CIEN Market Cap

Current$45.42BretrievedOct 26, 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
Dec 7, 2001	18,443,616,478
Nov 30, 2001	17,619,709,231
Nov 23, 2001	19,664,587,878
Nov 16, 2001	19,277,451,172
Nov 9, 2001	17,053,893,500
Nov 2, 2001	14,979,234,070
Oct 26, 2001	19,654,662,416
Oct 19, 2001	16,309,398,744
Oct 12, 2001	17,004,260,800
Oct 5, 2001	12,398,319,341
Sep 28, 2001	10,214,467,914
Sep 21, 2001	10,462,632,833
Sep 10, 2001	13,311,566,667
Sep 7, 2001	14,046,134,827
Aug 31, 2001	16,994,333,069
Aug 24, 2001	18,264,938,446
Aug 17, 2001	18,642,149,689
Aug 10, 2001	29,799,643,302
Aug 3, 2001	34,623,970,032
Jul 27, 2001	31,616,210,224
Jul 20, 2001	30,127,220,711
Jul 13, 2001	33,958,887,624
Jul 6, 2001	30,762,522,336
Jun 29, 2001	37,721,067,650
Jun 22, 2001	41,195,376,513
Jun 15, 2001	39,845,360,915
Jun 8, 2001	55,727,915,715
Jun 1, 2001	54,407,678,631
May 25, 2001	59,897,085,499
May 18, 2001	56,929,034,064
May 11, 2001	58,298,900,586
May 4, 2001	53,851,787,369
Apr 27, 2001	49,920,854,914
Apr 20, 2001	66,597,538,306
Apr 12, 2001	55,569,086,480
Apr 6, 2001	33,998,593,869
Mar 30, 2001	41,443,541,432
Mar 23, 2001	56,085,271,638
Mar 16, 2001	52,424,839,087
Mar 9, 2001	64,646,961,335
Mar 2, 2001	65,701,662,240
Feb 23, 2001	73,953,145,788
Feb 16, 2001	82,018,505,648
Feb 9, 2001	79,288,691,541
Feb 2, 2001	83,135,247,782
Jan 26, 2001	89,897,741,818
Jan 19, 2001	104,043,142,187
Jan 12, 2001	88,222,628,617
Jan 5, 2001	73,456,815,951
Dec 29, 2000	80,653,598,595
Dec 22, 2000	76,434,794,976
Dec 15, 2000	99,994,951,950
Dec 8, 2000	109,192,564,251
Dec 1, 2000	76,372,753,746
Nov 24, 2000	101,499,451,770
Nov 17, 2000	103,670,894,809
Nov 10, 2000	89,897,741,818
Nov 3, 2000	112,480,749,425
Oct 27, 2000	103,608,853,579
Oct 20, 2000	148,402,621,414
Oct 13, 2000	126,936,355,942
Oct 6, 2000	109,750,935,318
Sep 29, 2000	121,911,016,337
Sep 22, 2000	119,863,655,758
Sep 15, 2000	106,431,729,530
Sep 8, 2000	99,079,843,812
Sep 1, 2000	114,217,903,856
Aug 25, 2000	98,242,287,211
Aug 18, 2000	87,695,278,164
Aug 11, 2000	77,489,495,881
Aug 4, 2000	73,798,042,714
Jul 28, 2000	66,725,342,530
Jul 21, 2000	77,365,413,421
Jul 14, 2000	80,715,639,824
Jul 7, 2000	85,306,690,821
Jun 30, 2000	82,731,979,789
Jun 23, 2000	72,184,970,742
Jun 16, 2000	72,091,908,898
Jun 9, 2000	69,424,136,021
Jun 2, 2000	68,648,620,650
May 26, 2000	49,477,880,676
May 19, 2000	57,822,426,069
May 12, 2000	68,121,270,198
May 5, 2000	68,276,373,272
Apr 28, 2000	61,358,776,162
Apr 20, 2000	48,143,994,238
Apr 14, 2000	43,677,025,700
Apr 7, 2000	65,763,703,469
Mar 31, 2000	62,599,600,755
Mar 24, 2000	80,591,557,365
Mar 17, 2000	70,789,043,074
Mar 10, 2000	80,839,722,284
Mar 3, 2000	84,034,845,613
Feb 25, 2000	67,314,734,212
Feb 18, 2000	57,233,034,387
Feb 11, 2000	48,143,994,238
Feb 4, 2000	37,503,923,347
Jan 28, 2000	32,819,810,505
Jan 21, 2000	36,635,346,131
Jan 14, 2000	33,161,037,268