How to value PME and ZIP shares

The Pro Medicus Limited (ASX:PME) share price is down around 7.2% since the start of 2025. It's probably worth asking, 'is the PME share price top value?'
The Pro Medicus Limited (ASX:PME) share price is down around 7.2% since the start of 2025. The Zip Co Ltd (ASX:ZIP) share price is about 83.0% above its 52-week low.

PME share price in focus

Pro Medicus is an established provider of radiology software for hospitals, imaging centres and healthcare groups worldwide.

The Pro Medicus suite of products centres around radiology information systems (RIS), Picture Archiving and Communication Systems (PACS), and advanced visualisation solutions. These products support everything from patient scheduling and billing to fast medical imaging interpretations and analysis, making the company relevant at every stage of the radiology process.

The company’s flagship product is their Visage software, which allows radiologists to view large image files generated by X-rays remotely on mobile devices. This wasn’t previously possible, but it now allows diagnostic decisions to be made on-the-go with the aim of improving patient outcomes.

ZIP shares

Zip Co is a ‘fintech’ company founded in 2013. It offers a buy-now-pay-later (BNPL) service that is popular among retail consumers.

Zip’s platform allows customers to purchase items immediately and repay them over several interest-free instalments.

Like most BNPL companies, Zip makes money through transaction fees paid by the business, as well as late fees charged to customers who miss payments.

PME & ZIP share price valuation

As a growth company, one way to put a broad projection on the PME share price could be to compare its price-to-sales multiple over time. This can tell us how the company has historically been valued relative to its total revenue.

Currently, Pro Medicus Limited shares have a price-sales ratio of 151.46x, compared to its 5-year average of 82.69x, meaning its shares are trading above their historical average. This could mean that the share price has increased, or that sales have declined, or both. In the case of PME, revenue has been growing over the last 3 years. Of course, context is important – and this is just one valuation technique. Investment decisions can’t just be based on one metric, but this can be a rough starting point.

The ZIP share price currently trades at a price-sales ratio of 2.91x, which compares to its 5-year long-term average of 5.81x. So, ZIP shares are trading lower than their historical average. Don’t forget, a simple multiple like this should only be the start of your research. The Rask websites offer free online investing courses, created by analysts explaining things like Discounted Cash Flow (DCF) and Dividend Discount Models (DDM). They even include free valuation spreadsheets! It’s a good idea to use multiple valuation methods to value a share like Zip Co Ltd.

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