Ribbon Communications (RBBN) Tax Rate (2017 - 2026)

Ribbon Communications (RBBN) has 10 years of Tax Rate data on file, last reported at 15.75% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate rose 1296.0% year-over-year to 15.75%; the trailing twelve-month figure through Mar 2026 stood at 4.97% (down 1271.0% YoY), and the FY2025 full-year result was 6.21%, down 4221.0% from the prior year.
• Tax Rate slipped to 15.75% in Q1 2026, from 746.89% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 746.89% in Q4 2025 to a low of 51.58% in Q3 2023.
• A 5-year average of 53.6% and a median of 9.79% in 2024 frame the typical range for Tax Rate.
• Across the five-year window, Tax Rate slumped 43158 bps in 2023 and surged 74472 bps in 2025, its largest moves.
• Tracing RBBN's Tax Rate over 5 years: stood at 421.81% in 2022, then tumbled by 102 bps to 9.77% in 2023, then surged by 122 bps to 2.17% in 2024, then soared by 34315 bps to 746.89% in 2025, then tumbled by 98 bps to 15.75% in 2026.
• Business Quant data shows RBBN's Tax Rate at 15.75% in Q1 2026, 746.89% in Q4 2025, and 34.89% in Q3 2025.