Phillips 66 (PSX) Tax Rate (2011 - 2026)
Phillips 66's (PSX) quarterly Tax Rate came in at 15.77% in Q1 2026, down 306.0% YoY from 7.65% in Q1 2025, and up 3.52% on a QoQ basis from 15.23% in Q4 2025.
Phillips 66 (PSX) Tax Rate (2011 - 2026) Analysis & Trends
Phillips 66 (PSX) has 16 years of Tax Rate data on file, last reported at 15.77% in Q1 2026.
- Quarterly Tax Rate fell 306.0% year-over-year to 15.77% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 16.12% (down 164.0% YoY) and the FY2025 annual result came in at 16.46%, down 223.0% from the prior year.
- Tax Rate rose to 15.77% in Q1 2026, from 15.23% in the prior quarter.
- In the past five years, Tax Rate ranged from a high of 292.31% in Q4 2024 to a low of 10.65% in Q3 2024.
- A 5-year average of 36.06% and a median of 21.06% in 2024 frame the typical range for Tax Rate.
- Annual changes were most pronounced in 2024 — Tax Rate surged 26528 bps — and 2025, when it plunged 27707 bps.
- Tracing PSX's Tax Rate over 5 years: stood at 21.01% in 2022, then gained by 29 bps to 27.03% in 2023, then jumped by 981 bps to 292.31% in 2024, then plunged by 95 bps to 15.23% in 2025, then climbed by 4 bps to 15.77% in 2026.
- The last three Tax Rate figures came in at 15.77% (Q1 2026), 15.23% (Q4 2025), and 16.08% (Q3 2025), per Business Quant data.
Powered by 
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Marathon Petroleum | 95.61 Bn | 87.84 Bn | 9.27 Bn | 20.68% |
| 2 | Valero Energy | 94.80 Bn | 86.93 Bn | 5.47 Bn | 21.17% |
| 3 | Phillips 66 | 89.04 Bn | 84.94 Bn | 8.38 Bn | 21.97% |
| 4 | HF Sinclair | 15.52 Bn | 13.26 Bn | 1.57 Bn | 23.81% |
| 5 | Sunoco | 10.09 Bn | 9.32 Bn | 1.46 Bn | 21.82% |
| 6 | PBF Energy | 8.14 Bn | 7.25 Bn | 1.15 Bn | 25.56% |
| 7 | Cosan | 6.53 Bn | 1.42 Bn | 552.94 Mn | -69.05% |
| 8 | Ultrapar Holdings | 6.41 Bn | 4.69 Bn | 603.08 Mn | 77.97% |
| 9 | Icahn Enterprises | 5.03 Bn | 3.06 Bn | 198.00 Mn | -0.52% |
| 10 | Delek US Holdings | 3.91 Bn | 3.28 Bn | 365.10 Mn | 18.84% |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | 21.97% |
| Jun 30, 2026 | 21.97% |
| Jun 30, 2026 | 21.97% |
| Mar 31, 2026 | 15.77% |
| Mar 31, 2026 | 15.77% |
| Mar 31, 2026 | 15.77% |
| Dec 31, 2025 | 15.23% |
| Dec 31, 2025 | 15.23% |
| Dec 31, 2025 | 15.23% |
| Sep 30, 2025 | 16.08% |
| Sep 30, 2025 | 16.08% |
| Sep 30, 2025 | 16.08% |
| Jun 30, 2025 | 18.93% |
| Jun 30, 2025 | 18.93% |
| Jun 30, 2025 | 18.93% |
| Mar 31, 2025 | 18.83% |
| Mar 31, 2025 | 18.83% |
| Mar 31, 2025 | 18.83% |
| Dec 31, 2024 | 292.31% |
| Dec 31, 2024 | 292.31% |