Ciena Corporation (ETR:CIE1)
335.65
-0.40 (-0.12%)
Aug 21, 2026, 6:14 PM CET
ETR:CIE1 Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | 338.60 | 343.50 | 329.90 | 335.50 | 335.50 | -1.21% | 323 |
| Aug 20, 2026 | 344.80 | 345.10 | 333.60 | 339.60 | 339.60 | -0.35% | 623 |
| Aug 19, 2026 | 348.00 | 361.80 | 336.80 | 340.80 | 340.80 | -1.02% | 1,811 |
| Aug 18, 2026 | 377.50 | 377.50 | 344.30 | 344.30 | 344.30 | -12.37% | 613 |
| Aug 17, 2026 | 375.90 | 392.90 | 371.80 | 392.90 | 392.90 | 5.14% | 413 |
| Aug 14, 2026 | 383.90 | 389.80 | 373.70 | 373.70 | 373.70 | -6.13% | 327 |
| Aug 13, 2026 | 375.40 | 398.30 | 371.30 | 398.10 | 398.10 | 5.32% | 191 |
| Aug 12, 2026 | 342.60 | 378.00 | 342.60 | 378.00 | 378.00 | 12.70% | 561 |
| Aug 11, 2026 | 334.90 | 342.40 | 334.40 | 335.40 | 335.40 | -2.95% | 441 |
| Aug 10, 2026 | 363.90 | 364.10 | 342.50 | 345.60 | 345.60 | -2.54% | 783 |
| Aug 7, 2026 | 359.20 | 365.00 | 344.50 | 354.60 | 354.60 | -1.03% | 793 |
| Aug 6, 2026 | 354.60 | 362.00 | 341.00 | 358.30 | 358.30 | 1.16% | 1,154 |
| Aug 5, 2026 | 359.90 | 367.00 | 347.50 | 354.20 | 354.20 | -2.05% | 1,040 |
| Aug 4, 2026 | 346.50 | 375.00 | 346.50 | 361.60 | 361.60 | 9.11% | 1,611 |
| Aug 3, 2026 | 334.30 | 334.30 | 311.40 | 331.40 | 331.40 | -0.18% | 945 |
| Jul 31, 2026 | 334.50 | 338.40 | 327.60 | 332.00 | 332.00 | 5.03% | 670 |
| Jul 30, 2026 | 289.60 | 318.90 | 285.10 | 316.10 | 316.10 | 7.30% | 2,167 |
| Jul 29, 2026 | 306.20 | 311.10 | 294.60 | 294.60 | 294.60 | -0.87% | 1,137 |
| Jul 28, 2026 | 322.90 | 323.90 | 289.40 | 297.20 | 297.20 | -7.56% | 1,028 |
| Jul 27, 2026 | 356.90 | 356.90 | 318.20 | 321.50 | 321.50 | -7.24% | 3,763 |
| Jul 24, 2026 | 359.60 | 359.60 | 343.80 | 346.60 | 346.60 | -3.10% | 416 |
| Jul 23, 2026 | 352.90 | 364.50 | 346.80 | 357.70 | 357.70 | 0.17% | 404 |
| Jul 22, 2026 | 349.20 | 357.10 | 343.60 | 357.10 | 357.10 | -0.61% | 266 |
| Jul 21, 2026 | 344.20 | 359.30 | 344.20 | 359.30 | 359.30 | 6.27% | 178 |
| Jul 20, 2026 | 329.10 | 345.00 | 326.70 | 338.10 | 338.10 | 3.24% | 278 |
| Jul 17, 2026 | 324.30 | 333.10 | 316.80 | 327.50 | 327.50 | -5.32% | 1,610 |
| Jul 16, 2026 | 361.10 | 362.00 | 343.80 | 345.90 | 345.90 | -4.87% | 779 |
| Jul 15, 2026 | 394.20 | 394.90 | 363.60 | 363.60 | 363.60 | -9.80% | 381 |
| Jul 14, 2026 | 396.70 | 406.30 | 396.70 | 403.10 | 403.10 | 0.65% | 326 |
| Jul 13, 2026 | 388.90 | 403.40 | 385.00 | 400.50 | 400.50 | -0.45% | 869 |
| Jul 10, 2026 | 402.50 | 403.30 | 397.10 | 402.30 | 402.30 | -2.59% | 114 |
| Jul 9, 2026 | 391.70 | 421.90 | 391.70 | 413.00 | 413.00 | 10.66% | 966 |
| Jul 8, 2026 | 366.70 | 380.00 | 346.70 | 373.20 | 373.20 | 2.70% | 1,783 |
| Jul 7, 2026 | 374.50 | 374.50 | 354.30 | 363.40 | 363.40 | -5.76% | 1,011 |
| Jul 6, 2026 | 373.90 | 389.90 | 370.40 | 385.60 | 385.60 | 1.34% | 747 |
| Jul 3, 2026 | 375.10 | 383.50 | 373.30 | 380.50 | 380.50 | -0.11% | 264 |
| Jul 2, 2026 | 398.00 | 409.70 | 377.10 | 380.90 | 380.90 | -8.31% | 851 |
| Jul 1, 2026 | 425.20 | 429.90 | 406.40 | 415.40 | 415.40 | -0.91% | 749 |
| Jun 30, 2026 | 421.10 | 427.30 | 415.00 | 419.20 | 419.20 | 2.14% | 459 |
| Jun 29, 2026 | 425.50 | 425.50 | 383.70 | 410.40 | 410.40 | -0.73% | 1,076 |
| Jun 26, 2026 | 417.00 | 417.90 | 402.00 | 413.40 | 413.40 | -1.08% | 706 |
| Jun 25, 2026 | 423.00 | 431.70 | 401.10 | 417.90 | 417.90 | 0.07% | 1,317 |
| Jun 24, 2026 | 406.40 | 421.80 | 395.50 | 417.60 | 417.60 | 4.87% | 1,485 |
| Jun 23, 2026 | 387.80 | 410.00 | 378.20 | 398.20 | 398.20 | 3.75% | 1,077 |
| Jun 22, 2026 | 373.10 | 388.20 | 373.00 | 383.80 | 383.80 | 4.44% | 720 |
| Jun 19, 2026 | 364.80 | 371.10 | 364.80 | 367.50 | 367.50 | -1.34% | 206 |
| Jun 18, 2026 | 387.50 | 391.30 | 372.50 | 372.50 | 372.50 | -2.49% | 674 |
| Jun 17, 2026 | 377.80 | 382.60 | 366.70 | 382.00 | 382.00 | 1.70% | 642 |
| Jun 16, 2026 | 403.40 | 405.70 | 373.80 | 375.60 | 375.60 | -3.52% | 915 |
| Jun 15, 2026 | 403.60 | 410.60 | 388.90 | 389.30 | 389.30 | -0.56% | 755 |