Ciena supplies optical networking platforms, packet networking equipment and software that allow telecommunications providers and enterprises to transmit massive volumes of data over fiber at high speeds with low latency. Its solutions incorporate advanced coherent optics and programmable control to support 5G networks, cloud services, AI workloads and data center connectivity. Carriers, cable operators, content providers and large organizations use its technology to build and operate modern high-capacity communications infrastructure.
| Quarter | Revenue | YoY % | Earnings | YoY % |
|---|---|---|---|---|
| Q3 2025 | 1,219.4 | — | 50.3 | — |
| Q4 2025 | 1,352 | — | 19.5 | — |
| Q1 2026 | 1,427 | — | 150.3 | — |
| Q2 2026 | 1,570.7 | — | 218.2 | — |
| Q3 2026 | 1,671.1 | 37% | 266.4 | 429.6% |
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