OLIN and HUNTSMAN Announce Expiration of Hart-Scott-Rodino Waiting Period for Proposed Merger
Olin and Huntsman announced the expiration of the Hart-Scott-Rodino waiting period for their proposed merger. Huntsman, a global chemical manufacturer, reported 2025 revenues of approximately $6 billion. The merger's completion is subject to regulatory approvals and other conditions.
How this was made
The 30-second read
Why it matters
Regulatory clearance reduces uncertainty, potentially supporting share prices of both companies.
Market read
The merger progress is relevant for investors in the chemicals sector and for the two companies' shareholders.
What to watch
Integration risks and financing terms remain uncertain.
Background
The article announces the expiration of the HSR waiting period for the Olin-Huntsman merger, a key regulatory step.
Ticker impact
The HSR waiting period for Olin's proposed merger with Huntsman has expired, clearing a key regulatory hurdle.
Potential modest rally in OLN pending further deal details.
Regulatory clearance removes uncertainty; market may price in merger synergies.
The HSR waiting period for Huntsman's proposed merger with Olin has expired, removing a regulatory barrier.
Possible modest upside in HUN as merger outlook improves.
Regulatory step completed; investors may view the transaction more favorably.
Market effects
Consolidation in the chemicals sector may pressure peers.
U.S. chemical manufacturers could see valuation adjustments.
Limited to chemicals industry; no broad market impact.
Counterpoint
Deal could face antitrust challenges later, risking a reversal.
Key entities
- CompanyOlin Corporation
US-listed chemical manufacturer (ticker OLN).
- CompanyHuntsman Corporation
US-listed diversified chemicals producer (ticker HUN).



