Ciena Corporation

Record Q3 results & accelerating profitability (big “good”) - Revenue $1.67B, +37% YoY (quarterly record). - Adjusted operating margin 22.5%, exceeding guidance; up ~2.5x YoY and the highest ever. - Adjusted EPS $2.11, +215% YoY (record). - Backlog up $800M in Q3 to $8.5B; management says book-to-bill >1 and expects backlog to grow faster in Q4.

Demand environment: multi-market AI-driven networking capex (key opportunity / thesis) - Management characterizes the industry as in the early innings of a multi-year, durable network investment era driven by AI/data-center buildouts. - Strong adoption signals across portfolio: - WaveLogic 6 Extreme modem ramp accelerating (claims only 1.6T “on market today” after 18 months; ramp exceeding WaveLogic 5e). - RLS installed base ~70% market share (disaggregated line systems); Hyper-Rail next gen targeted for initial standardization by end of FY26, scaling into 2027. - Interconnects: WaveLogic 5 nano pluggable ramp; Q3 shipped >2x prior-quarter volume of 800ZR plugs; components momentum (e.g., Vesta/CPX sample orders).

FY26 outlook raised; early FY27 direction provided (important forecasts) - Q4 FY26 guidance: $1.75B ± $50M. - Implies FY26 revenue midpoint $6.42B (raised +$120M vs prior quarter). - FY26 profitability outlook: Adj. gross margin 45% ± 50 bps; Adj. operating margin ~20% ± 50 bps (implies first time >20% for the company). - Preliminary FY27 outlook (early direction, supply-dependent): - Revenue $8.3B–$8.4B (≥ +30% YoY). - Gross margin at least 45%–46%. - Adj. operating margin 25%–27% (another record year).