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.

• On a quarterly basis, Tax Rate rose 181.0% year-over-year to 24.0% in Q1 2026; TTM through Mar 2026 was 23.27%, a 50.0% decrease from a year earlier, with the FY2025 full-year figure at 22.9%, down 139.0% from the prior year.
• Tax Rate grew to 24.0% in Q1 2026 per OKE's latest filing, from 21.88% in the prior quarter.
• Across five years, Tax Rate topped out at 24.7% in Q4 2024 and bottomed at 21.88% in Q4 2025.
• The 5-year median for Tax Rate is 23.78% (2022), against an average of 23.65%.
• Across the five-year window, Tax Rate plunged 281 bps in 2025 and jumped 181 bps in 2026, its largest moves.
• Year by year, Tax Rate 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.
• Per Business Quant, the three latest OKE Tax Rate figures stand at 24.0% (Q1 2026), 21.88% (Q4 2025), and 24.01% (Q3 2025).