Company / Operating Income per Share
Westlake Corporation Operating Income per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Operating Income per Share
-$12.27
FY2025
5-year range
-$12.27 / $21.76
FY2021-FY2025
Trend
-280.7%
vs FY2024
Sector context
#89 of 91
Materials
What the data says
Operating Income per Share changed -281% YoY in FY2025, a notable deviation from the 9-year average annual change of +30%.
Based on SEC 10-K filings.
-12.27 in FY2025.
Declined from $21.76 to $-12.27 over the past 2 years.
Materials sector context is included.
Operating Income per Share over time
Growth rates
- 3-Year CAGR
- -
- 5-Year CAGR
- -
- 10-Year CAGR
- -
Sector benchmark
Bottom 2% in MaterialsTop 98% of 91This company -$12.27 Sector average $3.43
▼
-457.6% below sector average
Key checks
Key Insights
- In FY2025, operating income per share decreased 280.7% year-over-year.
- Ranks #89 out of 91 companies in the Materials sector.
- Peak operating income per share was recorded in FY2023.
Company context
Key Data Points
- Altman Z-Score 1.14 (distress zone, below 1.8 threshold)
- Negative profit margin: -8.4%
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Operating Income per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | -$12.27 | -280.7% |
| FY2024 | $6.79 | -68.8% |
| FY2023 | $21.76 | +549.6% |
| FY2022 | $3.35 | -34.3% |
| FY2021 | $5.09 | -53.0% |
| FY2020 | $10.83 | +14.5% |
| FY2019 | $9.46 | +110.8% |
| FY2018 | $4.49 | -38.2% |
| FY2017 | $7.26 | +66.3% |
| FY2016 | $4.36 | -39.2% |
As of FY2025 · SEC Form 10-K · Last checked Jun 30, 2026