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.

Celanese Corporation (NYSE:CE)

• On Nov. 11, UBS downgraded the stock from Buy to Neutral and lowered its price target from $161 to $97. The company's stock fell around 10% over the past month and has a 52-week low of $68.88.
• RSI Value: 25.90
• CE Price Action: Shares of Celanese gained 1.6% to close at $70.54 on Friday.
• Benzinga Pro's real-time newsfeed alerted to latest CE news.

Dow Inc (NYSE:DOW)

• On Dec. 3, Dow announced the appointment of Karen S. Carter as Chief Operating Officer. "Karen is a proven leader with more than three decades of experience at Dow delivering strong business results," said Dow Chair and Chief Executive Officer Jim Fitterling. "She has an excellent track record of operating discipline, maintaining close relationships with key partners and customers, and driving innovation across the organization. She has successfully led our largest business and played critical leadership roles in other essential business and functional teams within Dow, always with a focus on developing and maintaining high-performing teams." The company's stock fell around 9% over the past month and has a 52-week low of $41.73.
• RSI Value: 24.25
• DOW Price Action: Shares of Dow fell 0.5% to close at $41.99 on Friday.
• Benzinga Pro's charting tool helped identify the trend in DOW stock.

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 12% over the past month and has a 52-week low of $4.68.
• RSI Value: 24.38
• BAK Price Action: Shares of Braskem fell 5.8% to close at $4.82 on Friday.
• Benzinga Pro's signals feature notified of a potential breakout in BAK shares.

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