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Owens Corning (OC): Assessing Valuation After a 32% Year-to-Date Share Price Decline

Simply Wall St·12/20/2025 21:26:19
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Owens Corning (OC) has been drifting lower this year, even though its long term track record still looks solid. With the stock down about 32% year to date, investors are asking whether expectations have swung too far.

See our latest analysis for Owens Corning.

The recent slide sits alongside a choppy year, with a 30 day share price return of 15.51% contrasting with a 32.34% year to date share price decline and a still respectable 5 year total shareholder return of 58.51%. This suggests long term momentum is softening rather than broken.

If Owens Corning’s reset has you reassessing opportunities in industrials and beyond, it could be a smart moment to explore fast growing stocks with high insider ownership for other ideas with strong alignment between management and shareholders.

With earnings swinging from loss to growth and the share price now trading at a discount to analyst targets, the key question is whether Owens Corning is quietly undervalued or if the market is already pricing in weaker future growth.

Most Popular Narrative: 18.5% Undervalued

Owens Corning’s most followed narrative points to a fair value of approximately $140.56 per share, notably above the latest $114.54 close, framing the current drawdown as a potential mispricing driven by non cash noise in reported results.

Owens Corning's portfolio shift towards higher margin, differentiated products and regions (divesting low margin Asian businesses and glass reinforcements) is likely to improve consolidated operating margins and return on invested capital over time.

Strategic realization of cost synergies and operational efficiencies through ongoing integration (e.g., Doors/Masonite acquisition) and supply chain optimization is expected to drive continued margin expansion and improved free cash flow, enhancing future earnings power.

Read the complete narrative.

Curious how shrinking share count, rising margins and a lower future multiple can still justify a higher value than today’s price? The narrative lays out a detailed roadmap for earnings, profitability and capital returns that could re rate the stock if those targets are met.

Result: Fair Value of $140.56 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, persistent weakness in construction markets and oversupplied roofing and insulation capacity could pressure pricing and margins, which could undermine the undervaluation thesis.

Find out about the key risks to this Owens Corning narrative.

Build Your Own Owens Corning Narrative

If you see the story differently or simply want to dig into the numbers yourself, you can build a custom narrative in just minutes using Do it your way.

A great starting point for your Owens Corning research is our analysis highlighting 4 key rewards and 2 important warning signs that could impact your investment decision.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.