Ciena Reports Strong Q3 Earnings and Revenue, Raises Fiscal Guidance
Ciena Corporation (NYSE:CIEN) reported better-than-expected fiscal third-quarter earnings and revenue on September 3, 2026. The optical networking equipment provider posted adjusted EPS of $2.11 against a consensus estimate of $1.72, while revenue rose to $1.67 billion from $1.22 billion in the same period last year—a 37% increase driven by AI-related network investments. The company raised its fiscal fourth-quarter revenue guidance to $1.75 billion and full-year revenue forecast to $6.42 billion, both reflecting a significant upward revision due to strong performance across segments. Ciena's Optical Networking segment saw a notable 46% year-over-year increase in revenue. The stock rose by 4.3% premarket as investors reacted positively. Ciena also reported an expanded adjusted operating margin of 22.5%, up from 10.7% the previous year, and two major customers accounted for over 41.7% of total quarterly revenue.
Tickers: $CIEN
Topics: AI investment earnings guidance update revenue growth