Koppers Holdings (KOP) Tax Rate (2009 - 2026)
Koppers Holdings' Tax Rate came in at 18.06% for Q2 2026, down 13.33 percentage points from 31.38% a year earlier but up 7.93 percentage points from the prior quarter.
Koppers Holdings (KOP) Tax Rate (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Koppers Holdings reported Tax Rate of 10.96%, down 36.72 percentage points year-over-year; for FY2025, it came in at 31.03%, up 1.16 percentage points from FY2024.
- Tax Rate carries a five-year change of +11.96 percentage points (FY2020 to FY2025).
- Going back by year, Tax Rate was 29.87% in FY2024 (+1.94 pp), 27.93% in FY2023 (-5.19 pp), 33.12% in FY2022 (+4.28 pp) and 28.85% in FY2021 (+9.77 pp).
- The five-year range for quarterly Tax Rate is 10.13% (Q1 2026) to 40.99% (Q3 2022).
- Year-over-year, Tax Rate has declined for four consecutive quarters, with an average year-over-year change of -3.25 percentage points over the last eight quarters.
- The fastest year-over-year change in Tax Rate over five years came in Q4 2023 (a gain of 21.98 percentage points), and the weakest in Q4 2022 (a drop of 22.95 percentage points).
- Business Quant data shows KOP's Tax Rate at 10.13% (Q1 2026), 23.26% (Q4 2025) and 33.52% (Q3 2025) in the three quarters before Q2 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 232.08 Bn | 213.65 Bn | 4.43 Bn | 23.96% |
| 2 | Corning | 113.97 Bn | 106.54 Bn | 1.63 Bn | 6.16% |
| 3 | Sherwin Williams | 81.98 Bn | 81.03 Bn | 3.34 Bn | 24.17% |
| 4 | Air Products & Chemicals | 67.40 Bn | 62.58 Bn | 1.04 Bn | - |
| 5 | LyondellBasell Industries | 41.35 Bn | 30.86 Bn | 2.04 Bn | 29.21% |
| 6 | Nutrien | 33.62 Bn | 30.45 Bn | 3.25 Bn | 21.50% |
| 7 | Ati | 24.94 Bn | 22.97 Bn | 309.80 Mn | 20.01% |
| 8 | Qnity Electronics | 24.80 Bn | 21.94 Bn | 666.00 Mn | 31.66% |
| 9 | Ppg Industries | 24.22 Bn | 16.88 Bn | 1.81 Bn | 22.32% |
| 10 | Koppers Holdings | 799.17 Mn | 639.77 Mn | 109.00 Mn | - |
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | 10.13% |
| Dec 31, 2025 | 23.26% |
| Sep 30, 2025 | 33.52% |
| Jun 30, 2025 | 31.38% |
| Sep 30, 2024 | 35.81% |
| Jun 30, 2024 | 27.57% |
| Mar 31, 2024 | 25.29% |
| Dec 31, 2023 | 34.01% |
| Sep 30, 2023 | 24.06% |
| Jun 30, 2023 | 28.86% |
| Mar 31, 2023 | 27.42% |
| Dec 31, 2022 | 12.03% |
| Sep 30, 2022 | 40.99% |
| Jun 30, 2022 | 36.96% |
| Mar 31, 2022 | 33.45% |
| Dec 31, 2021 | 34.97% |
| Sep 30, 2021 | 31.37% |
| Jun 30, 2021 | 26.00% |
| Mar 31, 2021 | 24.50% |
| Dec 31, 2020 | 24.90% |
Koppers Holdings Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=KOP&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "KOP", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=KOP&period=max&api_key=YOUR_API_KEY");
const data = await res.json();