Ciena Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-16 | 350.95 | 354.60 | 330.99 | 332.73 | 332.73 | 3,196,800 |
| 2026-10-15 | 342.50 | 357.83 | 333.15 | 356.52 | 356.52 | 3,483,800 |
| 2026-10-14 | 393.88 | 393.88 | 356.78 | 359.60 | 359.60 | 3,324,300 |
| 2026-10-13 | 393.33 | 401.87 | 381.64 | 400.40 | 400.40 | 2,736,500 |
| 2026-10-12 | 443.53 | 445.95 | 400.20 | 405.01 | 405.01 | 3,318,700 |
| 2026-10-09 | 436.00 | 454.73 | 424.02 | 449.77 | 449.77 | 3,773,200 |
| 2026-10-08 | 436.15 | 443.99 | 421.11 | 425.93 | 425.93 | 3,697,700 |
| 2026-10-07 | 428.98 | 448.00 | 422.30 | 446.45 | 446.45 | 3,369,200 |
| 2026-10-06 | 393.58 | 446.37 | 392.00 | 443.65 | 443.65 | 6,396,600 |
| 2026-10-05 | 393.77 | 397.47 | 382.50 | 389.69 | 389.69 | 2,473,900 |
| 2026-10-02 | 385.00 | 395.96 | 377.03 | 391.34 | 391.34 | 2,519,400 |
| 2026-10-01 | 355.19 | 381.00 | 350.68 | 379.14 | 379.14 | 2,564,300 |
| 2026-09-30 | 354.92 | 359.98 | 340.52 | 351.82 | 351.82 | 2,656,100 |
| 2026-09-29 | 350.16 | 356.21 | 344.80 | 354.92 | 354.92 | 2,226,000 |
| 2026-09-28 | 352.42 | 356.99 | 339.33 | 344.19 | 344.19 | 1,830,200 |
| 2026-09-25 | 363.00 | 366.43 | 355.01 | 356.91 | 356.91 | 1,616,900 |
| 2026-09-24 | 350.40 | 363.46 | 346.56 | 358.43 | 358.43 | 1,418,900 |
| 2026-09-23 | 368.64 | 369.00 | 351.53 | 355.91 | 355.91 | 1,851,600 |
| 2026-09-22 | 364.31 | 376.74 | 363.14 | 368.56 | 368.56 | 2,404,800 |
| 2026-09-21 | 365.05 | 367.62 | 356.46 | 365.96 | 365.96 | 2,886,500 |
| 2026-09-18 | 355.87 | 358.00 | 338.25 | 348.80 | 348.80 | 4,863,900 |
| 2026-09-17 | 350.60 | 375.70 | 341.93 | 344.25 | 344.25 | 3,764,100 |
| 2026-09-16 | 350.09 | 375.20 | 327.50 | 340.50 | 340.50 | 3,947,500 |
| 2026-09-15 | 324.44 | 335.97 | 320.50 | 334.33 | 334.33 | 2,796,700 |
| 2026-09-14 | 326.98 | 332.32 | 318.43 | 319.64 | 319.64 | 2,210,600 |
| 2026-09-11 | 336.92 | 355.19 | 336.44 | 349.54 | 349.54 | 1,979,900 |
| 2026-09-10 | 333.00 | 348.40 | 328.36 | 334.56 | 334.56 | 2,548,400 |
| 2026-09-09 | 341.90 | 348.00 | 337.16 | 338.00 | 338.00 | 1,812,600 |
| 2026-09-08 | 327.42 | 349.78 | 325.69 | 341.29 | 341.29 | 3,223,600 |
| 2026-09-04 | 321.67 | 328.85 | 315.73 | 321.00 | 321.00 | 3,340,000 |
| 2026-09-03 | 354.49 | 358.76 | 311.60 | 317.46 | 317.46 | 7,535,400 |
| 2026-09-02 | 357.25 | 359.60 | 348.86 | 354.16 | 354.16 | 2,870,300 |
| 2026-09-01 | 376.89 | 381.60 | 356.40 | 360.33 | 360.33 | 2,259,300 |
| 2026-08-31 | 378.44 | 382.94 | 370.77 | 382.80 | 382.80 | 1,826,500 |
| 2026-08-28 | 400.42 | 400.50 | 376.64 | 378.44 | 378.44 | 1,317,800 |
| 2026-08-27 | 411.53 | 418.72 | 395.50 | 399.85 | 399.85 | 1,207,100 |
| 2026-08-26 | 387.23 | 406.44 | 387.23 | 404.03 | 404.03 | 1,189,500 |
| 2026-08-25 | 386.33 | 388.73 | 378.94 | 387.66 | 387.66 | 1,191,100 |
| 2026-08-24 | 386.26 | 386.26 | 362.48 | 371.95 | 371.95 | 1,777,300 |
| 2026-08-21 | 396.00 | 403.72 | 382.75 | 395.79 | 395.79 | 1,234,900 |
| 2026-08-20 | 400.35 | 404.35 | 389.10 | 392.48 | 392.48 | 1,453,100 |
| 2026-08-19 | 415.50 | 415.50 | 392.67 | 399.47 | 399.47 | 1,771,900 |
| 2026-08-18 | 421.59 | 427.74 | 391.77 | 405.54 | 405.54 | 3,052,300 |
| 2026-08-17 | 438.38 | 458.00 | 427.45 | 445.18 | 445.18 | 2,494,700 |
| 2026-08-14 | 441.61 | 446.15 | 422.49 | 428.77 | 428.77 | 2,519,000 |
| 2026-08-13 | 430.32 | 462.69 | 427.00 | 442.79 | 442.79 | 2,912,900 |
| 2026-08-12 | 414.51 | 446.36 | 409.24 | 432.05 | 432.05 | 3,989,300 |
| 2026-08-11 | 388.84 | 394.99 | 384.19 | 387.53 | 387.53 | 1,534,900 |
| 2026-08-10 | 420.00 | 420.00 | 387.28 | 387.70 | 387.70 | 2,021,700 |
| 2026-08-07 | 411.04 | 420.00 | 396.89 | 412.39 | 412.39 | 1,887,200 |
| 2026-08-06 | 396.05 | 419.49 | 390.56 | 403.76 | 403.76 | 1,354,100 |
| 2026-08-05 | 408.56 | 424.58 | 399.07 | 408.83 | 408.83 | 1,773,900 |
| 2026-08-04 | 419.08 | 427.00 | 405.01 | 411.13 | 411.13 | 2,069,060 |
| 2026-08-03 | 365.00 | 391.87 | 355.00 | 390.76 | 390.76 | 1,243,704 |
| 2026-07-31 | 393.98 | 401.00 | 374.38 | 377.05 | 377.05 | 1,948,400 |
| 2026-07-30 | 359.27 | 373.09 | 355.00 | 372.07 | 372.07 | 2,461,500 |
| 2026-07-29 | 349.64 | 350.80 | 323.29 | 330.37 | 330.37 | 2,633,300 |
| 2026-07-28 | 354.90 | 357.47 | 328.80 | 350.51 | 350.51 | 4,177,400 |
| 2026-07-27 | 388.19 | 388.19 | 360.00 | 377.27 | 377.27 | 1,512,500 |
| 2026-07-24 | 401.85 | 408.74 | 386.25 | 390.96 | 390.96 | 1,489,200 |
Page 1 of 79 · 4,728 trading daysOlder →
Stock splits
| Date | Split (new : old) |
|---|---|
| 2006-09-25 | 1:7 |
| 2000-09-19 | 2:1 |
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.