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WLK

WESTLAKE CORP

NYSE · Basic Materials · Chemicals - Specialty · US

$62.69
−1.45%
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Price chart
Sep 17Sep 22Sep 25Sep 30Oct 5Oct 8Oct 13Oct 16
Key dataOct 16, 2026
Open
$63.65
From 52W high
−49.19%
Volume
351466.00
Market cap
$8.01B
P/E (Fwd)
25.5x
EV/EBITDA
−127.9x
P/E (TTM)
—
RSI (14)
39.1
1D Return
−1.45%
YTD Return
−14.53%
SummaryUpdated Jun 1, 2026

Westlake Corporation (NYSE:WLK) is a Houston-based specialty chemicals and building products manufacturer that was founded in 1986 and went public in 2004. Originally known as Westlake Chemical Corporation, the company changed its name to Westlake Corporation in February 2022 to better reflect its diversified portfolio beyond traditional chemicals. The company operates as a subsidiary of TTWF LP and has grown through both organic expansion and strategic acquisitions, including the notable $3.8 billion acquisition of Hexion's global epoxy business in 2022. Today, Westlake stands as a vertically integrated manufacturer serving diverse end markets from residential construction to industrial applications.

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