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.

• On a quarterly basis, Tax Rate fell 1302.0% year-over-year to 29.84% in Q1 2026; TTM through Mar 2026 was 34.17%, a 411.0% increase from a year earlier, with the FY2025 full-year figure at 37.24%, up 1134.0% from the prior year.
• Tax Rate for Q1 2026 stood at 29.84%, up from 27.64% in the prior quarter.
• Over the last five years, Tax Rate for OLN reached as high as 58.82% in Q2 2025 and fell as low as 5.3% in Q3 2025.
• Historically, Tax Rate has averaged 22.19% across 5 years, with a median of 20.84% in 2023.
• Across the five-year window, Tax Rate slumped 1953 bps in 2024 and soared 3367 bps in 2025, its largest moves.
• Year by year, Tax Rate stood at 19.36% in 2022, then declined by 4 bps to 18.53% in 2023, then plunged by 105 bps to 1.0% in 2024, then soared by 2864 bps to 27.64% in 2025, then gained by 8 bps to 29.84% in 2026.
• Per Business Quant data, the three most recent Tax Rate figures were 29.84% in Q1 2026, 27.64% in Q4 2025, and 5.3% in Q3 2025.