Olin (OLN) Tax Rate (2009 - 2026)

Olin (OLN) has 18 years of Tax Rate data on file, last reported at 29.84% in Q1 2026.

• Tax Rate for Q1 2026 came in at 29.84%, down 1302.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 34.17% (up 411.0% YoY), and the FY2025 annual result was 37.24%, up 1134.0% from the prior year.
• Tax Rate grew to 29.84% in Q1 2026 per OLN's latest filing, from 27.64% in the prior quarter.
• Over five years, Tax Rate peaked at 58.82% in Q2 2025 and troughed at 5.3% in Q3 2025.
• A 5-year average of 22.19% and a median of 20.84% in 2023 frame the typical range for Tax Rate.
• The sharpest annual moves came in 2024 and 2025: Tax Rate plunged 1953 bps in 2024, then surged 3367 bps in 2025.
• A 5-year view of Tax Rate shows it stood at 19.36% in 2022, then decreased by 4 bps to 18.53% in 2023, then tumbled by 105 bps to 1.0% in 2024, then soared by 2864 bps to 27.64% in 2025, then grew by 8 bps to 29.84% in 2026.
• Business Quant data shows OLN's Tax Rate at 29.84% in Q1 2026, 27.64% in Q4 2025, and 5.3% in Q3 2025.