Why did Huntsman stock decline after the merger announcement with Olin?

Huntsman shares declined following the announcement of an all-stock merger-of-equals with Olin Corporation, under which Huntsman shareholders will receive 0.5476 Olin shares for each Huntsman share.

What are the key financial and strategic expectations of the Huntsman-Olin merger?

The combined entity, to be named OlinHuntsman Corp., is projected to have $12.5 billion in revenue and generate over $400 million in benefits; the deal was unanimously approved by both boards and is expected to close in the first half of 2027 to create a more resilient chemical company with significant synergies.

Why Huntsman Stock Is Sliding After Its Big Olin Merger Deal

Jun 16, 2026

Huntsman shares fell after announcing an all-stock merger with Olin, forming a $12.5 billion revenue chemical entity. The deal targets $400 million in benefits and expects closure in H1 2027.

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