Oneok (OKE) Tax Rate (2009 - 2026)

Oneok's Tax Rate history runs 18 years deep, the most recent figure standing at 24.0% for Q1 2026.

• In Q1 2026, Tax Rate rose 181.0% year-over-year to 24.0%; the TTM figure through Mar 2026 stood at 23.27% (down 50.0% YoY), while the FY2025 annual figure was 22.9%, down 139.0% from the prior year.
• Tax Rate was 24.0% for Q1 2026 at Oneok, up from 21.88% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 24.7% in Q4 2024 to a low of 21.88% in Q4 2025.
• Historically, Tax Rate has averaged 23.65% across 5 years, with a median of 23.78% in 2022.
• The sharpest annual moves came in 2025 and 2026: Tax Rate plunged 281 bps in 2025, then surged 181 bps in 2026.
• A 5-year view of Tax Rate shows it stood at 22.77% in 2022, then climbed by 7 bps to 24.4% in 2023, then advanced by 1 bps to 24.7% in 2024, then fell by 11 bps to 21.88% in 2025, then gained by 10 bps to 24.0% in 2026.
• The last three Tax Rate figures came in at 24.0% (Q1 2026), 21.88% (Q4 2025), and 24.01% (Q3 2025), per Business Quant data.