Earnings per share (EPS) of $0.42 was reported, missing the estimated $0.51, marking a -19.23% earnings surprise.
Revenue for the quarter was $1.13 billion, exceeding estimates and showing a 24% increase year-over-year.
Despite strong revenue growth, Ciena’s stock dropped 6.7% following the earnings announcement.

Ciena Corporation (NYSE:CIEN) is a prominent player in the optical networking equipment industry, providing essential gear for telecom networks and hyperscale data centers. Based in Hanover, Maryland, Ciena has established itself as a leader in the field, although it faces competition from other major companies in the networking sector.
On June 5, 2025, Ciena reported earnings per share (EPS) of $0.42, which was below the estimated $0.51. This resulted in a significant earnings surprise of -19.23%, as highlighted by Zacks. Despite this, the company showed a 55% increase in EPS compared to the same quarter last year, when it reported $0.27 per share.
Ciena’s revenue for the quarter ended April 2025 was $1.13 billion, surpassing the Zacks Consensus Estimate of $1.09 billion by 2.78%. This marks a 24% increase from the previous year’s revenue of $910.83 million. Over the past four quarters, Ciena has consistently exceeded consensus revenue estimates, demonstrating strong sales performance.
Despite the revenue success, Ciena’s stock experienced a decline following the earnings announcement. The stock dropped 6.7% to $78.25 in early trading, as reported by Investors. This reaction reflects the market’s disappointment with the earnings miss, despite the company’s strong revenue growth.
Ciena’s financial metrics reveal a high valuation, with a price-to-earnings (P/E) ratio of approximately 131.26 and a price-to-sales ratio of about 2.55. The company’s enterprise value to sales ratio is around 2.72, and its enterprise value to operating cash flow ratio is approximately 31.30. Ciena maintains a moderate debt-to-equity ratio of 0.57 and a strong current ratio of 3.65, indicating solid liquidity.