7 plastic stocks to watch

Considering investing in plastic stocks? While the best plastic stocks depend on your portfolio and investment goals, we've identified some plastic stocks that are worth keeping an eye on in the plastics sector. Keep reading to learn more about plastic stocks and how to start investing.

7 popular plastic stocks to watch

We round up a selection of stocks in or related to the plastics industry, weighting the list more heavily towards popular mid- and large-cap stocks.

Best stock	1-year return	Market cap	Exchange	Volume	Buy now on CIBC Investor's Edge
Dow (DOW.US)	-44.36% Dow's 1-year return based on the closing price as of December 4, 2024.	$16.9 billion (USD)	NYSE	11,453,300	Buy now
LyondellBasell Industries (LYB.US)	-40.95% LyondellBasell Industries's 1-year return based on the closing price as of December 4, 2024.	$15.4 billion (USD)	NYSE	7,140,800	Buy now
Berry Global Group (BERY.US)	(data unavailable)	$7.8 billion (USD)	NYSE	(data unavailable)	Buy now
Westlake Chemical Corporation (WLK.US)	(data unavailable)	$8.7 billion (USD)	NYSE	(data unavailable)	Buy now
AptarGroup (ATR.US)	(data unavailable)	$8.1 billion (USD)	NYSE	(data unavailable)	Buy now
Silgan (SLGN.US)	(data unavailable)	$4.2 billion (USD)	NYSE	(data unavailable)	Buy now
Myers Industries (MYE.US)	(data unavailable)	$675.6 million (USD)	NYSE	(data unavailable)	Buy now

The values in this table are accurate as of the market close on December 4, 2025, or the most recent data available. Volume refers to the number of shares traded during the day.

What to look for when investing in plastic stock

The plastics industry is affected by a range of complex factors such as trade policies, regulations, and fluctuating supply and demand. So when considering plastic stocks to buy, it's important that you have access to vital information about a company's financial health, leadership team, and market positioning.

Also keep in mind that, while volatility can be ideal for day traders, long-term investors will want to look for stocks to offer steadier gains over time.

How to invest in plastic stock

1. Research the plastics industry. Before investing, learn about the plastic stock sector, its trends and the companies within it. Look at each company's financial health, potential for growth and past performance to identify stocks that fit your investment goals.
2. Choose a stock trading platform. Compare trading fees, access to trading tools and user interface options. We've identified reliable trading platforms to help narrow down your options below or check out the best stock trading apps in Canada to find one that suits your needs.
3. Open and fund your account. Sign up with your personal details and link a bank account or funding method to deposit money before you start trading.
4. Select the plastic stock(s) to buy. Search by company name or ticker symbol, like DOW or LYB. Compare key metrics such as market cap, price history and earnings per share to pick the best stock for your strategy.
5. Buy the stock and monitor performance. Place your order to buy the stock and track its performance over time. Consider setting alerts, signing up for industry newsletters or using platform research tools to stay up to date on market changes.

Our top picks for where to buy plastic stocks

Are plastic stocks a good investment?

While it's possible to turn a profit investing in plastic stocks, keep in mind that—like any investment—plastic stocks are not immune to risk. These stocks are subject to fluctuating conditions both in the market and in the plastics industry, so carefully vet your picks before you invest.

What are the best plastic stocks?

A lot of factors go into picking the best plastic stocks. Stock performance can be impacted by factors like market conditions, company decisions and global events. Plus, what may be a strong plastic stock investment for one person might not be suitable for another.

That said, we rounded up this list of popular plastic stocks in or related to the plastics industry to help narrow down your options:

• Dow (DOW)
• LyondellBasell Industries (LYB)
• Berry Global Group (BERY)
• Westlake Chemical Corporation (WLK)
• AptarGroup (ATR)
• Silgan (SLGN)
• Myers Industries (MYE)

Keep in mind that this is not a "best" list or a recommendation. It highlights some plastic stocks for informational purposes only and does not indicate past or future performance or investment advice. We do not guarantee any investment performance.

We've outlined detailed company and stock performance details for each plastic stock below. Keep reading to decide if any of these companies are the right investment for you.

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Dow (DOW)

Dow Inc. , through its subsidiaries, provides various materials science solutions for packaging, infrastructure, mobility, and consumer applications in the United States, Canada, Europe, the Middle East, Africa, India, the Asia Pacific, and Latin America. The company operates through Packaging & Specialty Plastics, Industrial Intermediates & Infrastructure, and Performance Materials & Coatings segments.

Closing stock price	$23.84
Market Capitalization The total market value of Dow's outstanding shares	$16.9 billion
Gross profit (TTM)	$3 billion
Profit margin	-2.77%
Revenue (TTM)	$40.9 billion
Earnings per share (TTM)	-$1.61
52-week stock price range	$19.82 – $40.98

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on November 30, 2025.

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LyondellBasell Industries (LYB)

LyondellBasell Industries N. V. operates as a chemical company in the United States, Germany, Mexico, Italy, Poland, France, Japan, China, the Netherlands, and internationally.

Closing stock price	$46.03
Market Capitalization The total market value of LyondellBasell Industries's outstanding shares	$15.4 billion
Gross profit (TTM)	$3.1 billion
Profit margin	-3.20%
Revenue (TTM)	$37.8 billion
Earnings per share (TTM)	-$4.03
52-week stock price range	$40.42 – $74.88

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 2, 2025.

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Berry Global Group (BERY)

Berry Global Group, Inc. manufactures and supplies products in consumer and industrial end markets in the United States, Canada, Europe, and internationally. The company operates through Consumer Packaging International, Consumer Packaging North America, and Flexibles segments.

Market Capitalization The total market value of Berry Global Group's outstanding shares	$7.8 billion
Gross profit (TTM)	$2 billion
Profit margin	5.41%
Revenue (TTM)	$10.1 billion
Earnings per share (TTM)	$4.52
52-week stock price range	$60.30 – $74.24

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 4, 2025.

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Westlake Chemical Corporation (WLK)

Westlake Corporation manufactures and markets performance and essential materials, and housing and infrastructure products in the United States, Canada, Germany, China, Mexico, Brazil, France, Italy, and internationally. The Performance and Essential Materials segment offers ethylene, polyethylene, styrene, chlor-alkali, chlorinated derivative products, ethylene dichloride, vinyl chloride monomer, polyvinyl chloride (PVC), epoxy specialty resins, and base epoxy resins and intermediaries. The Housing and Infrastructure Products segment provides residential PVC sidings; PVC trim and mouldings; architectural stone veneers; windows; PVC decking; PVC films for various inflatables, wallcovering, and tape and roofing applications; polymer composite and cement roof tiles; PVC pipes and fittings for various water, sewer, electrical, and industrial applications; and PVC compounds for various housing, medical, and automobile products.

Market Capitalization The total market value of Westlake Chemical Corporation's outstanding shares	$8.7 billion
Gross profit (TTM)	$1.1 billion
Profit margin	-8.34%
Revenue (TTM)	$11.5 billion
Earnings per share (TTM)	-$7.43
52-week stock price range	$55.84 – $125.88

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 4, 2025.

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AptarGroup (ATR)

AptarGroup, Inc. designs and manufactures a range of drug delivery, consumer product dispensing, and active material science solutions and services for the pharmaceutical, beauty, personal care, home care, and food and beverage markets. The company operates through Aptar Pharma, Aptar Beauty, and Aptar Closures segments.

Market Capitalization The total market value of AptarGroup's outstanding shares	$8.1 billion
Gross profit (TTM)	$1.4 billion
Profit margin	11.45%
Revenue (TTM)	$3.7 billion
Earnings per share (TTM)	$6.23
52-week stock price range	$103.23 – $171.96

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 4, 2025.

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Silgan (SLGN)

Silgan Holdings Inc. , together with its subsidiaries, manufactures and sells rigid packaging solutions for consumer goods products in the United States and internationally. It operates through three segments: Dispensing and Specialty Closures, Metal Containers, and Custom Containers.

Market Capitalization The total market value of Silgan's outstanding shares	$4.2 billion
Gross profit (TTM)	$1.1 billion
Profit margin	4.91%
Revenue (TTM)	$6.4 billion
Earnings per share (TTM)	$2.94
52-week stock price range	$35.97 – $56.63

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 4, 2025.

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Myers Industries (MYE)

Myers Industries, Inc. engages in distribution of tire service supplies in Ohio. It operates through two segments, The Material Handling and Distribution.

Market Capitalization The total market value of Myers Industries's outstanding shares	$675.6 million
Gross profit (TTM)	$271.6 million
Profit margin	3.38%
Revenue (TTM)	$825.6 million
Earnings per share (TTM)	$0.74
52-week stock price range	$8.90 – $18.29

All dollar amounts in this table are in USD. TTM refers to the "trailing 12 months." All values are accurate as of the market close on December 4, 2025.

Compare trading platforms to buy plastic stock

Compare special offers, low fees and a wide range of investment options among popular trading platforms in Canada. Note that the dollar amounts in the table below are in CAD.

Related: Compare the best stock trading platforms in Canada

Bottom line

If you're considering adding plastic stocks to your portfolio, make sure you thoroughly look into any companies before investing to help mitigate risk. We've compiled a list of plastic stocks to help narrow down your options. Then choose a legitimate stock trading platform to start investing. After that it comes down to monitoring the plastics industry to know when to buy, sell or hold.

Related: How to buy stocks in Canada

Frequently asked questions about plastic stocks

• What are plastic stocks?

  Plastic stocks are shares of companies that either directly work in the plastic sector or operate within related industries. Investors interested in buying plastic stocks may be looking to take advantage of market trends or lock in investments for the long haul.

• What is the top plastic stock to buy in 2025?

  Unfortunately, it's almost impossible to choose a single "top" plastic stock to invest in due to factors like market fluctuations, company management and shifting economic trends. These can all change—sometimes overnight—how a stock performs. It's best to do your own research to decide which companies fit within your risk tolerance. Reviewing a company's financial reports and past stock performance can help you decide if it's worth investing in.

• Where can I find information and regular updates about the plastics industry?

  You can keep track of the latest plastics news and updates by signing up for financial newsletters, visiting financial news sites, reading company investor relations pages and using market research platforms. Many online brokerages also offer sector reports, stock screeners and alerts to help you track movements in your stock performance or updates in or related to the plastics industry.

Check these other commodities and investment sectors

If you're thinking about diversifying your portfolio and investing in sectors beyond plastic stocks, here are some others you can consider:

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