Ciena (CIEN) Tax Rate (2009 - 2026)

Ciena has reported Tax Rate for 18 years, with the latest figure at 14.23% in Q3 2026.

• On a quarterly basis, Tax Rate fell 934.0% year-over-year to 14.23% in Q3 2026; TTM through Aug 2026 was 9.82%, a 2025.0% decrease from a year earlier, with the FY2025 full-year figure at 21.08%, down 887.0% from the prior year.
• Tax Rate was 14.23% for Q3 2026 at Ciena, up from 5.56% in the prior quarter.
• The five-year high for Tax Rate was 53.79% in Q3 2023, with the low at 581.91% in Q4 2025.
• Average Tax Rate over 5 years is 11.24%, with a median of 17.63% recorded in 2022.
• The sharpest annual moves came in 2022 and 2025: Tax Rate surged 9743 bps in 2022, then plunged 60480 bps in 2025.
• Over 5 years, Tax Rate stood at 11.83% in 2022, then sank by 348 bps to 29.33% in 2023, then surged by 178 bps to 22.89% in 2024, then tumbled by 2642 bps to 581.91% in 2025, then surged by 102 bps to 14.23% in 2026.
• The last three Tax Rate figures came in at 14.23% (Q3 2026), 5.56% (Q2 2026), and 17.02% (Q1 2026), per Business Quant data.