The most oversold stocks in the materials sector presents an opportunity to buy into undervalued companies.



The RSI is a momentum indicator, which compares a stock’s strength on days when prices go up to its strength on days when prices go down. When compared to a stock’s price action, it can give traders a better sense of how a stock may perform in the short term. An asset is typically considered oversold when the RSI is below 30, according to Benzinga Pro.



Here's the latest list of major oversold players in this sector, having an RSI near or below 30.



<h3>Westlake Corp (NYSE:WLK)</h3>



<ul>
<li>On May 5, Westlake reported worse-than-expected first-quarter sales results. “The first quarter of 2026 began to reflect our cost reduction initiatives announced in 2025. Late in the first quarter we began to see margin improvement in the PEM segment as a result of the Iranian conflict. Our HIP segment saw gains in Pipe and Fittings sales volumes driven by continued strength in infrastructure spending, which was more than offset by the subdued North American residential construction activity and lower average sales prices,” said Jean‑Marc Gilson, President and Chief Executive Officer. The company's stock fell around 19% over the past five days and has a 52-week low of $56.33.</li>



<li>RSI Value: 27.3</li>



<li>WLK Price Action: Shares of Westlake fell 3.6% to close at $93.85 on Friday.</li>



<li>Edge Stock Ratings: 77.92 Momentum score.</li>
</ul>



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<h3>Inno Holdings Inc (NASDAQ:INHD)       </h3>



<ul>
<li>On May 1, Inno Holdings announced a year-over-year increase in its second-quarter financial results. The company's stock fell around 58% over the past month and has a 52-week low of $1.48.</li>



<li>RSI Value: 26.7</li>



<li>INHD Price Action: Shares of Inno Holdings fell 2.4% to close at $1.64 on Friday.</li>



<li>Benzinga Pro’s charting tool helped identify the trend in INHD stock. </li>
</ul>



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<h3>Origin Materials Inc (NASDAQ:ORGN)</h3>



<ul>
<li>On May 1, Origin Materials announced it is selling its PET cap technology and an orderly wind down of operations. The company is reducing its workforce. The company's stock fell around 30% over the past month and has a 52-week low of $1.29.</li>



<li>RSI Value: 15.2</li>



<li>ORGN Price Action: Shares of Origin Materials fell 3.5% to close at $1.37 on Friday.</li>



<li>Benzinga Pro’s signals feature notified of a potential breakout in ORGN shares. </li>
</ul>



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Curious about other BZ Edge Rankings? Click here to discover how similar stocks measure up.



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INHD

ORGN

The materials sector shows potential buying opportunities with oversold stocks, indicated by an RSI below 30. Westlake Corp (WLK) has an RSI of 27.3, with a recent stock drop of 19%. Inno Holdings (INHD) has an RSI of 26.7, down 58% over the month. Origin Materials (ORGN) has the lowest RSI at 15.2, with a 30% decline recently. These stocks may surge as they are currently undervalued.

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