Now Live: Cboe Europe real-time data for all major European stocks.
United States
closing in 3h
Main market

STOCKS is currently active.
Closing in 3 hours

12:59
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).
579 USD
21.55
3.87%
Last update May 6, 4:29 PM BST
Market closed
Day range
545.020020
585
Previous close
557.45001
Open
547.28003
Access this stock data via API
Subscribe
Ciena Corporation
579.00
21.55
3.87%

Historical data

Prices

Date Open High Low Close % Change Volume
May 06, 2026 547.28 585 545.02 579 5.80% 12292
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
May 01, 2026 527 550 520.48 536.87 1.87% 1723
Apr 30, 2026 473.50 523.76 472.50 520.44 9.91% 2918
Apr 29, 2026 479.99 485 468.43 471.91 -1.68% 2683
Apr 28, 2026 505 513.50 461 473.57 -6.22% 3758
Apr 27, 2026 521.94 527 484.71 509.74 -2.34% 4537
Apr 24, 2026 524.40 528.22 505.35 524.91 0.10% 1991
Apr 23, 2026 488 527.88 488 515.52 5.64% 7147
Apr 22, 2026 516 518.45 467.82 497.03 -3.68% 4714
Apr 21, 2026 507 523.41 492.99 505.02 -0.39% 4127
Apr 20, 2026 487.93 519 487.93 502.40 2.97% 2223
Apr 17, 2026 499.03 514 493.12 509 2.00% 3926
Apr 16, 2026 481 492.26 462 485.76 0.99% 3492
Apr 15, 2026 461.65 485 454.34 463.89 0.49% 4931
Apr 14, 2026 488 494 458 470.48 -3.59% 6736
Apr 13, 2026 490 494.60 472.01 482.56 -1.52% 3892
Apr 10, 2026 509 509 475.22 506 -0.59% 2041
Apr 09, 2026 490.50 513.96 473 475 -3.16% 7919
Apr 08, 2026 475.10 499.26 471 494.95 4.18% 6650
Apr 07, 2026 431 447.57 421.30 443.23 2.84% 2094
Access /time_series data via our API — starting from the Basic plan and above.
Market closed

Pre-market opens in 13 hours 15 minutes
Main market opens in 14 hours

17:59
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).