Westlake Chemical (WLK) Stock Forecast & Price Target

Westlake is a vertically integrated chemicals and building-products platform whose performance and essential materials segment benefits from pricing improvement, cost reductions, and higher operating rates, while HIP adds more stable, higher-margin earnings that the market has not fully recognized. Its strong balance sheet, with about 2.5x net leverage despite trough conditions, supports continued HIP expansion through accretive M&A and organic investment, reinforcing the company’s runway for value creation. Management also expects roughly $600M y/y EBITDA improvement, aided by price actions in PE and PVC, infrastructure-related demand in pipes and fittings, and cross-selling opportunities that help normalize overall earnings.

Westlake is facing a weaker fundamental setup as 2026E/27E EBITDA estimates were cut to $1,710M/$1,864M from $1,935M/$2,061M, reflecting softer earnings in both segments and management’s own view that 3Q earnings will decline q/q more than the already-expected 18% EBITDA drop. Commodity chemical pricing for polyethylene and PVC has moderated after 2Q, while Europe remains pressured by elevated energy and logistics costs, the Wilhelmshaven integration, and the Cologne PVC plant closure that will bring about $205M of pre-tax charges. In HIP, higher diesel-linked freight costs and continued residential housing weakness in a rising interest rate environment limit the benefits of integration, leaving the company exposed to cyclical demand, input-cost inflation, and persistent margin compression.