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Westlake Chemical

Westlake Chemical Corporation is a leading global producer of petrochemicals, polymers, and advanced fabricated products, serving vital industries such as construction, automotive, and packaging. The company's operations are divided into Olefins and Vinyls segments, allowing it to capitalize on market trends and strong demand. Committed to sustainability, Westlake integrates innovative technologies to enhance efficiency and minimize environmental impact, positioning itself for continued growth in a dynamic market.

How to buy Westlake Chemical on Grow →

Trading hours

The following are when you can trade Westlake Chemical in Grow (24/5).

SessionHours (ET)Tradeable
Pre-market4:00 AM–9:30 AM ET
Regular9:30 AM–4:00 PM ET
After-hours4:00 PM–8:00 PM ET
Overnight8:00 PM–4:00 AM ET (next day)

Excludes US market holidays.


Westlake Chemical is available through WLKon, a tokenized asset issued by and backed 1:1 by shares of Westlake Chemical held at a licensed custodian. Learn more