Olin Reports Significant Q4 Loss, Adjusted EBITDA Plummets 65%, Forecasts Weaker Q1 2026
OLN sits 23% above its 52-week low of $17.66 on elevated volume (1.9× avg).
Summary
Olin Corporation announced a substantial net loss and a 65% year-over-year decline in adjusted EBITDA for Q4 2025, alongside a negative outlook for Q1 2026, signaling continued operational challenges and market headwinds.
Key Events · Earnings and Guidance · OLN
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Sharp Decline in Q4 Financials
Olin reported a net loss of ($85.7) million and adjusted EBITDA of $67.7 million for Q4 2025, representing a 65% decrease in adjusted EBITDA compared to Q4 2024.
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Full Year Shift to Loss
The company shifted from a net income of $108.6 million in 2024 to a net loss of ($42.8) million for the full year 2025.
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Weak Q1 2026 Outlook
Management anticipates adjusted EBITDA for Q1 2026 to be lower than Q4 2025, primarily due to higher planned maintenance costs and increased raw material expenses in its Chemicals segments.
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Increased Leverage
The net debt to adjusted EBITDA ratio rose to 4.1x at year-end 2025, up from 3.1x in 2024, indicating deteriorating leverage.
Analysis · OLN · Industrial Applications And Services
Olin's Q4 2025 results reveal a significant deterioration in financial performance, marked by a substantial net loss and a sharp decline in adjusted EBITDA, which is considerably worse than the prior year. This follows a previous downward revision to their Q4 outlook, with the actual results confirming and deepening the negative trend. The company attributes the weakness to a challenging market, customer destocking, and operational issues. The forward guidance for Q1 2026, projecting even lower adjusted EBITDA, indicates that these headwinds are expected to persist. The increase in the net debt to adjusted EBITDA ratio highlights growing leverage. While cost-saving initiatives like the Brazil epoxy plant closure are underway, the immediate financial outlook remains challenging, suggesting continued pressure on the stock.
How filings like this one have moved
In the 30 days to Sep 13, 2026, 35.6% of the 1216 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
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At the time of this filing, OLN was trading at $21.75 on NYSE in the Industrial Applications And Services sector, with a market capitalization of approximately $2.5B. The 52-week trading range was $17.66 to $32.96. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.