Ciena (CIEN) Tax Rate (2009 - 2026)

Ciena's Tax Rate history runs 18 years deep, the most recent figure standing at 17.02% for Q1 2026.

• In Q1 2026, Tax Rate fell 1800.0% year-over-year to 17.02%; the TTM figure through Jan 2026 stood at 14.79% (down 1767.0% YoY), while the FY2025 annual figure was 21.08%, down 887.0% from the prior year.
• Tax Rate was 17.02% for Q1 2026 at Ciena, up from 581.91% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 53.79% in Q3 2023 to a low of 581.91% in Q4 2025.
• Historically, Tax Rate has averaged 13.73% across 5 years, with a median of 22.89% in 2024.
• The sharpest annual moves came in 2022 and 2025: Tax Rate jumped 9743 bps in 2022, then sank 60480 bps in 2025.
• A 5-year view of Tax Rate shows it stood at 11.83% in 2022, then slumped by 348 bps to 29.33% in 2023, then jumped by 178 bps to 22.89% in 2024, then plunged by 2642 bps to 581.91% in 2025, then surged by 103 bps to 17.02% in 2026.
• The last three Tax Rate figures came in at 17.02% (Q1 2026), 581.91% (Q4 2025), and 23.57% (Q3 2025), per Business Quant data.