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# Do You Like Inter-Rock Minerals Inc. (CVE:IRO) At This P/E Ratio?

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Today, we'll introduce the concept of the P/E ratio for those who are learning about investing. To keep it practical, we'll show how Inter-Rock Minerals Inc.'s (CVE:IRO) P/E ratio could help you assess the value on offer. Inter-Rock Minerals has a P/E ratio of 7.79, based on the last twelve months. That corresponds to an earnings yield of approximately 13%.

### How Do You Calculate A P/E Ratio?

The formula for P/E is:

Price to Earnings Ratio = Price per Share (in the reporting currency) Ã· Earnings per Share (EPS)

Or for Inter-Rock Minerals:

P/E of 7.79 = \$0.18 (Note: this is the share price in the reporting currency, namely, USD ) Ã· \$0.023 (Based on the year to March 2019.)

### Is A High P/E Ratio Good?

A higher P/E ratio means that investors are paying a higher price for each CA\$1 of company earnings. All else being equal, it's better to pay a low price -- but as Warren Buffett said, 'It's far better to buy a wonderful company at a fair price than a fair company at a wonderful price.'

### How Growth Rates Impact P/E Ratios

Probably the most important factor in determining what P/E a company trades on is the earnings growth. When earnings grow, the 'E' increases, over time. And in that case, the P/E ratio itself will drop rather quickly. So while a stock may look expensive based on past earnings, it could be cheap based on future earnings.

Inter-Rock Minerals saw earnings per share decrease by 70% last year.

### How Does Inter-Rock Minerals's P/E Ratio Compare To Its Peers?

The P/E ratio indicates whether the market has higher or lower expectations of a company. If you look at the image below, you can see Inter-Rock Minerals has a lower P/E than the average (20.6) in the food industry classification.

Inter-Rock Minerals's P/E tells us that market participants think it will not fare as well as its peers in the same industry. Many investors like to buy stocks when the market is pessimistic about their prospects. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

### Don't Forget: The P/E Does Not Account For Debt or Bank Deposits

One drawback of using a P/E ratio is that it considers market capitalization, but not the balance sheet. That means it doesn't take debt or cash into account. In theory, a company can lower its future P/E ratio by using cash or debt to invest in growth.

Spending on growth might be good or bad a few years later, but the point is that the P/E ratio does not account for the option (or lack thereof).

### So What Does Inter-Rock Minerals's Balance Sheet Tell Us?

Inter-Rock Minerals's net debt is considerable, at 170% of its market cap. This is a relatively high level of debt, so the stock probably deserves a relatively low P/E ratio. Keep that in mind when comparing it to other companies.

### The Bottom Line On Inter-Rock Minerals's P/E Ratio

Inter-Rock Minerals trades on a P/E ratio of 7.8, which is below the CA market average of 15. When you consider that the company has significant debt, and didn't grow EPS last year, it isn't surprising that the market has muted expectations.

Investors should be looking to buy stocks that the market is wrong about. As value investor Benjamin Graham famously said, 'In the short run, the market is a voting machine but in the long run, it is a weighing machine.' Although we don't have analyst forecasts, shareholders might want to examine this detailed historical graph of earnings, revenue and cash flow.

But note: Inter-Rock Minerals may not be the best stock to buy. So take a peek at this free list of interesting companies with strong recent earnings growth (and a P/E ratio below 20).

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.