Ciena Corporation (CIEN)
NYSE: CIEN · Real-Time Price · USD
338.00
-3.29 (-0.96%)
At close: Sep 9, 2026, 4:00 PM EDT
334.75
-3.25 (-0.96%)
Pre-market: Sep 10, 2026, 5:53 AM EDT
Ciena Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | 341.90 | 348.00 | 337.16 | 338.00 | 338.00 | -0.96% | 1,789,206 |
| Sep 8, 2026 | 327.42 | 349.78 | 325.69 | 341.29 | 341.29 | 6.32% | 3,209,883 |
| Sep 4, 2026 | 321.67 | 328.85 | 315.73 | 321.00 | 321.00 | 1.12% | 3,329,915 |
| Sep 3, 2026 | 354.49 | 358.76 | 311.60 | 317.46 | 317.46 | -10.36% | 7,480,492 |
| Sep 2, 2026 | 357.25 | 359.60 | 348.86 | 354.16 | 354.16 | -1.71% | 2,813,752 |
| Sep 1, 2026 | 376.89 | 381.60 | 356.40 | 360.33 | 360.33 | -5.87% | 2,182,068 |
| Aug 31, 2026 | 378.44 | 382.94 | 370.77 | 382.80 | 382.80 | 1.15% | 1,784,972 |
| Aug 28, 2026 | 400.42 | 400.50 | 376.64 | 378.44 | 378.44 | -5.35% | 1,314,029 |
| Aug 27, 2026 | 411.53 | 418.72 | 395.50 | 399.85 | 399.85 | -1.03% | 1,200,943 |
| Aug 26, 2026 | 387.23 | 406.44 | 387.23 | 404.03 | 404.03 | 4.22% | 1,176,898 |
| Aug 25, 2026 | 386.33 | 388.73 | 378.94 | 387.66 | 387.66 | 4.22% | 1,187,801 |
| Aug 24, 2026 | 386.26 | 386.26 | 362.48 | 371.95 | 371.95 | -6.02% | 1,776,106 |
| Aug 21, 2026 | 396.00 | 403.72 | 382.75 | 395.79 | 395.79 | 0.84% | 1,228,741 |
| Aug 20, 2026 | 400.35 | 404.35 | 389.10 | 392.48 | 392.48 | -1.75% | 1,433,812 |
| Aug 19, 2026 | 415.50 | 415.50 | 392.67 | 399.47 | 399.47 | -1.50% | 1,735,630 |
| Aug 18, 2026 | 421.59 | 427.74 | 391.77 | 405.54 | 405.54 | -8.90% | 3,036,209 |
| Aug 17, 2026 | 438.38 | 458.00 | 427.45 | 445.18 | 445.18 | 3.83% | 2,489,425 |
| Aug 14, 2026 | 441.61 | 446.15 | 422.49 | 428.77 | 428.77 | -3.17% | 2,509,281 |
| Aug 13, 2026 | 430.32 | 462.69 | 427.00 | 442.79 | 442.79 | 2.49% | 2,907,028 |
| Aug 12, 2026 | 414.51 | 446.36 | 409.24 | 432.05 | 432.05 | 11.49% | 3,971,703 |
| Aug 11, 2026 | 388.84 | 394.99 | 384.19 | 387.53 | 387.53 | -0.04% | 1,509,580 |
| Aug 10, 2026 | 420.00 | 420.00 | 387.28 | 387.70 | 387.70 | -5.99% | 2,014,441 |
| Aug 7, 2026 | 411.04 | 420.00 | 396.89 | 412.39 | 412.39 | 2.14% | 1,853,055 |
| Aug 6, 2026 | 396.05 | 419.49 | 390.56 | 403.76 | 403.76 | -1.24% | 1,332,620 |
| Aug 5, 2026 | 408.56 | 424.58 | 399.07 | 408.83 | 408.83 | -0.56% | 1,756,743 |
| Aug 4, 2026 | 419.08 | 427.00 | 405.01 | 411.13 | 411.13 | 5.21% | 2,064,999 |
| Aug 3, 2026 | 365.00 | 391.87 | 355.00 | 390.76 | 390.76 | 3.64% | 1,238,594 |
| Jul 31, 2026 | 393.98 | 401.00 | 374.38 | 377.05 | 377.05 | 1.34% | 1,944,661 |
| Jul 30, 2026 | 359.27 | 373.09 | 355.00 | 372.07 | 372.07 | 12.62% | 2,452,867 |
| Jul 29, 2026 | 349.64 | 350.80 | 323.29 | 330.37 | 330.37 | -5.75% | 2,614,959 |
| Jul 28, 2026 | 354.90 | 357.47 | 328.80 | 350.51 | 350.51 | -7.09% | 4,149,599 |
| Jul 27, 2026 | 388.19 | 388.19 | 360.00 | 377.27 | 377.27 | -3.50% | 1,511,740 |
| Jul 24, 2026 | 401.85 | 408.74 | 386.25 | 390.96 | 390.96 | -4.07% | 1,487,505 |
| Jul 23, 2026 | 394.10 | 415.80 | 394.10 | 407.53 | 407.53 | 2.61% | 1,801,729 |
| Jul 22, 2026 | 396.95 | 411.01 | 396.87 | 397.16 | 397.16 | -2.83% | 1,750,669 |
| Jul 21, 2026 | 397.70 | 412.04 | 396.55 | 408.73 | 408.73 | 7.91% | 2,030,079 |
| Jul 20, 2026 | 375.01 | 394.56 | 375.00 | 378.77 | 378.77 | 1.16% | 1,752,935 |
| Jul 17, 2026 | 370.99 | 388.61 | 359.01 | 374.41 | 374.41 | -3.70% | 3,362,085 |
| Jul 16, 2026 | 404.79 | 410.31 | 386.65 | 388.81 | 388.81 | -7.09% | 2,593,933 |
| Jul 15, 2026 | 451.01 | 451.01 | 404.40 | 418.46 | 418.46 | -6.37% | 1,623,465 |
| Jul 14, 2026 | 460.88 | 466.66 | 446.25 | 446.93 | 446.93 | 0.33% | 1,243,413 |
| Jul 13, 2026 | 448.67 | 461.45 | 440.51 | 445.44 | 445.44 | -3.32% | 1,175,346 |
| Jul 10, 2026 | 453.00 | 464.42 | 450.00 | 460.72 | 460.72 | -0.35% | 1,280,182 |
| Jul 9, 2026 | 460.60 | 485.69 | 459.81 | 462.34 | 462.34 | 4.85% | 2,037,831 |
| Jul 8, 2026 | 419.22 | 442.14 | 415.70 | 440.97 | 440.97 | 5.27% | 1,806,801 |
| Jul 7, 2026 | 418.77 | 425.96 | 404.43 | 418.91 | 418.91 | -3.44% | 1,781,604 |
| Jul 6, 2026 | 426.99 | 446.40 | 422.30 | 433.83 | 433.83 | 2.69% | 1,299,841 |
| Jul 2, 2026 | 454.16 | 459.73 | 414.17 | 422.46 | 422.46 | -8.65% | 2,146,865 |
| Jul 1, 2026 | 466.20 | 482.16 | 459.23 | 462.44 | 462.44 | -5.73% | 2,038,846 |
| Jun 30, 2026 | 478.93 | 491.79 | 472.59 | 490.56 | 490.56 | 2.43% | 2,409,686 |