The highest closing price for Ciena (CIEN) last month was $189.92, on Friday. It was up 31.7% for the month. The latest price is $189.60.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
October 31 2025 | $189.59 | $193.03 | $185.27 | $189.92 | 2,146,200 |
October 30 2025 | $188.17 | $193.74 | $186.13 | $188.96 | 1,940,800 |
October 29 2025 | $184.70 | $193.12 | $184.50 | $189.27 | 2,589,100 |
October 28 2025 | $182.26 | $184.98 | $173.80 | $183.04 | 2,597,000 |
October 27 2025 | $182.63 | $186.32 | $180.92 | $182.54 | 1,909,200 |
October 24 2025 | $175.83 | $181.05 | $175.59 | $179.05 | 1,851,300 |
October 23 2025 | $164.48 | $173.84 | $164.13 | $172.58 | 2,242,000 |
October 22 2025 | $170.44 | $173.47 | $159.56 | $164.48 | 3,091,100 |
October 21 2025 | $172.81 | $174.08 | $169.11 | $169.71 | 2,083,700 |
October 20 2025 | $173.63 | $177.79 | $171.95 | $173.12 | 2,010,800 |
October 17 2025 | $169.48 | $173.06 | $165.08 | $170.95 | 1,965,600 |
October 16 2025 | $170.43 | $176.88 | $170.05 | $170.78 | 2,615,900 |
October 15 2025 | $168.99 | $172.92 | $166.89 | $168.71 | 2,401,800 |
October 14 2025 | $161.55 | $167.28 | $159.01 | $164.82 | 1,738,600 |
October 13 2025 | $164.00 | $167.34 | $160.10 | $164.78 | 2,884,700 |
October 10 2025 | $165.24 | $165.24 | $153.27 | $155.94 | 3,059,300 |
October 09 2025 | $158.13 | $164.02 | $157.16 | $163.61 | 2,366,000 |
October 08 2025 | $152.70 | $159.85 | $152.54 | $159.66 | 1,981,300 |
October 07 2025 | $154.00 | $155.20 | $147.36 | $151.48 | 2,718,500 |
October 06 2025 | $152.68 | $159.43 | $151.64 | $153.25 | 3,005,500 |
October 03 2025 | $153.55 | $154.01 | $150.27 | $151.45 | 1,762,400 |
October 02 2025 | $153.23 | $153.61 | $148.02 | $152.66 | 2,280,200 |
October 01 2025 | $144.24 | $151.89 | $143.19 | $151.72 | 3,107,500 |
Daily pricing data for Ciena dates back to 2/7/1997, and may be incomplete.
