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.

Aspen Aerogels Inc (NYSE:ASPN)

• On Nov. 6, Aspen Aerogels reported better-than-expected third-quarter revenue results.. The company's stock fell around 31% over the past month and has a 52-week low of $10.31.
• RSI Value: 26.83                        
• ASPN Price Action: Shares of Aspen Aerogels rose 0.1% to close at $14.00 on Thursday.
• Benzinga Pro's real-time newsfeed alerted to latest ASPN news.

Braskem SA ADR (NYSE:BAK)   

• On Sept. 18, UBS upgraded the stock from Neutral to Buy and raised its price target from $7.7 to $10. The company's stock fell around 36% over the past month and has a 52-week low of $64.98.
• RSI Value: 18.13
• BAK Price Action: Shares of Braskem fell 2.4% to close at $4.96 on Wednesday.
• Benzinga Pro’s charting tool helped identify the trend in BAK stock.

TMC the metals company Inc (NASDAQ:TMC)

• On Nov. 14, TMC Metals posted third-quarter loss of 6 cents per share. Gerard Barron, Chairman & CEO of The Metals Company commented, "This week we announced June 27, 2025, as the date for NORI to submit its exploitation application to the ISA. This decision, made in close consultation with NORI’s Sponsoring State Nauru, represents years of preparation, backed by the largest dataset ever collected on the deep sea in international waters. We’re excited to share our application with the ISA and stakeholders and recognize the responsibility that comes with submitting the world’s first application of this kind." The company's stock fell around 13% over the past month and has a 52-week low of $0.80.
• RSI Value: 28.06
• TMC Price Action: Shares of TMC the metals company fell 2.1% to close at $0.88 on Thursday.
• Benzinga Pro’s signals feature notified of a potential breakout in TMC shares.

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