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Expert opinion from Guinness Global Investors features in a variety of media.

Insights

Expert opinion from Guinness Global Investors features in a variety of media.

Guides

Read our latest guides taking you through the key concepts in asset management. 

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23/02/2026

Price/Earnings-to-Growth (PEG) Ratio: Formula & Misconceptions

The PEG ratio is a widely used valuation tool that helps investors assess whether a company’s share price appropriately reflects its expected earnings growth. By adjusting the traditional P/E ratio for growth, it aims to offer a more nuanced perspective on value, particularly when comparing companies with different growth profiles. This guide introduces the PEG ratio, the key variations investors use, and the strengths and limitations to keep in mind when applying it in practice.

Videos

See more videos on our YouTube channel: Guinness Global Investors

Webcasts

Our fund managers conduct quarterly webcasts where they discuss recent changes made to the portfolios, and take a look at positioning in the current market environment.

See the latest webcast series below. For the webcast archive, please click here

For professional investors only.

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Sustainable Funds
Jonathan Waghorn, Will Riley
July 13, 2026 11:00 AM [BST]

Guinness Sustainable Energy - Webcast

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Growth Funds
Jonathan Waghorn, Will Riley
July 13, 2026 2:00 PM [BST]

Guinness Global Energy - Webcast

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Equity Income Funds
Mark Hammonds
July 14, 2026 11:00 AM [BST]

Guinness Emerging Markets Equity Income - Webcast

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Real Assets Funds
Mark Brennan
July 14, 2026 2:00 PM [BST]

Guinness Global Real Assets - Webcast

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Growth Funds
Sharukh Malik
July 15, 2026 11:00 AM [BST]

Guinness Greater China - Webcast

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Equity Income Funds
Edmund Harriss
July 16, 2026 11:00 AM [BST]

Guinness Asian Equity Income - Webcast

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Equity Income Funds
Dr Ian Mortimer, Matthew Page
July 20, 2026 10:00 AM [BST]

Guinness Global Equity Income - Webcast

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Growth Funds
Dr Ian Mortimer, Matthew Page
July 20, 2026 2:00 PM [BST]

Guinness Global Innovators - Webcast

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Equity Income Funds
Will James
July 21, 2026 2:00 PM [BST]

Guinness European Equity Income - Webcast

News

Expert opinion from Guinness Global Investors features in a variety of media.

 

11 Jun 2026
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11 Jun 2026
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11 Jun 2026
Deal will see real assets and sustainable teams move over, including WHEB funds that purchased in...
27 May 2026
The Iran war has removed around 12 million barrels of oil per day from global markets, triggering...
14 May 2026
Ferris Bueller was not wrong, life does move pretty fast...
11 May 2026
For decades, TSMC has used deep client connections, cross-sector expertise, and its technical lea...
01 May 2026
Guinness’ Will James reflects on the impact of volatility on the European equity market and why q...
30 Apr 2026
Fund selectors highlight smaller strategies that could bolster investors’ portfolios....