CIENA CORP COM STK USD0.01. revenue for the last year amounted to 4.39 B USD, the most of which — 3.49 B USD — came from its highest performing source at the moment, Networking Platforms, the year earlier bringing 2.78 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought CIENA CORP COM STK USD0.01. 2.80 B USD, and the year before that — 2.42 B USD.