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STOCKS is currently open for post-market.
Post market session closes in 3 hours 35 minutes

16:25
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
612.090027 USD
46.6801
8.26%
Last update Jun 2, 4:29 PM BST
Market closed
Day range
562
621
Previous close
565.40997
Open
570
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Ciena Corporation
612.09
46.68
8.26%

Historical data

Prices

Date Open High Low Close % Change Volume
Jun 02, 2026 570 621 562 612.09 7.38% 5020
Jun 01, 2026 582 589 552.59 565.41 -2.85% 5658
May 29, 2026 572.96 587.86 539.57 555.97 -2.97% 8444
May 28, 2026 575 605 560.63 569.67 -0.93% 2591
May 27, 2026 607.52 615 576 586.61 -3.44% 2295
May 26, 2026 600 604.70 573.08 601.31 0.22% 5077
May 22, 2026 599 604 574.03 588.83 -1.70% 1721
May 21, 2026 561.25 587.99 544.75 584.85 4.20% 3867
May 20, 2026 541.52 573.32 536.48 552.34 2.00% 1896
May 19, 2026 519.06 543 499 527.77 1.68% 3222
May 18, 2026 553.99 570 520 521.66 -5.84% 1957
May 15, 2026 580 591.60 551.95 561.70 -3.16% 2073
May 14, 2026 581.07 591 565 586 0.85% 641
May 13, 2026 580 599 562.56 589.09 1.57% 1930
May 12, 2026 580 590 546.54 567.93 -2.08% 2028
May 11, 2026 546.80 593.45 531 566.71 3.64% 1595
May 08, 2026 547.33 565 532.11 549.15 0.33% 1712
May 07, 2026 576.68 580.50 518.75 524.74 -9.01% 12710
May 06, 2026 551.76 585 545.02 571.94 3.66% 5036
May 05, 2026 542.42 562 538 557.45 2.77% 1525
May 04, 2026 540.86 550 528.35 544.02 0.58% 1585
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Market closed

Pre-market opens in 9 hours 49 minutes
Main market opens in 10 hours 34 minutes

21:25
00:00
08:00
16:30
23:59

Trading Hours (Monday - Friday):

Pre-market
07:15 - 08:00
Main market
08:00 - 16:30
Post-market
16:30 - 17:15
All times are displayed in the Europe/London timezone (BST, UTC+01:00).