How to Read Financial Ratios: P/B and P/E Ratio & Liquidity Ratios
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# How to Read Financial Ratios: P/B and P/E Ratio & Liquidity Ratios

Tracy Lim
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You may have read our guide to How To Analyse A Stock. Or you may have read our Stocks Discussions and see the terms P/B and P/E ratios.

But what are they, and what do they show?

Don’t fret, for we will explain it below.

In this post, we will continue with the second part of the must-know financial ratios to analyse a stock, using Starhub Limited’s financials as an example. If you haven’t read the first part, you can check it out here.

Disclaimer: This post may get pretty technical, but we will try to break it down into digestible pieces!

## Price-to-Book (P/B) Ratio

P/B ratio = Share price/Equity per share

This is what you are paying compared to what the company is worth in their books. The benchmark can be taken to be 1 (what you are paying equals to the actual value of the company now) i.e you are paying a fair price.

Book value per share = 588,000,000 / 1,735,038,000 = 0.339

Using the current share price of Starhub of \$1.49,

Starhub’s P/B ratio = 1.49 / 0.339 = 4.40

Latest P/B ratio of Singtel is around 1.8.

## Price-to-Earnings (P/E) Ratio

P/E ratio = Share price/Earnings per share

This shows you the current prices as compared to their earnings per share.

You can actually take their earnings per share as stated.

But if you want to calculate, the formula is as follows:

Earnings per share = 193,800,000 / 1,735,038,000 = 11.2 cents

Starhub’s P/E ratio = 1.49 / 0.112 = 13.3

Singtel’s P/E ratio is around 17.7 at the time of writing.

Just from this, it may seem like Starhub is a cheaper stock to buy. But is this the case? No. The P/E ratio being low may not always mean that it is a good buy!

## FAQs

### So what is a good P/E ratio?

Different industries have a different benchmark of what is high and low. That is why we compare it with companies in the same industry.

### Should we buy into a stock counter just for low P/E (or P/B) ratio?

You shouldn’t go into a stock just because it has a low P/E ratio! You may think you’ve found a treasure. But there may be underlying reasons why the stock is having a low P/E ratio.

It could be due to reasons like:

• Poor past performance
• Poor growth prospects
• The company could be in a bad financial situation

Although a low P/E ratio makes the stock attractive, do find out the reasons behind that before buying.

### Should we ignore a stock just because it has a high P/E (or P/B) ratio?

Like I mentioned, different industries have a different benchmark of what is high. A P/E ratio of say, 30, may not be expensive if the growth of the company is good enough, or forecasted to be high enough to drive up the earnings of the company. (If their earnings increase, this will quickly bring the P/E ratio down.)

## Liquidity Ratios

### Quick Ratio

Quick ratio = (Current Assets – Inventory) / Current Liabilities

This shows you the company’s ability to quickly fulfil its current liabilities (short-term obligations) with its liquid assets.

Quick ratio = (930.8 – 75.2) / 871.8 = 0.98

Not good since it is less than 1. This means in the event they need to pay off all their short-term obligations immediately, they can’t do so fully with their liquid assets.

### Debt-to-Equity Ratio

Debt-to-Equity Ratio = Total Debt / Total Equity

This shows you the financial leverage, or the percentage of the mode of financing of the company. A high D/E ratio bring about the concerns that the company may not pay off its debts in time.

Total debt = 50.1 + 978.4 = 1,028.5

D/E ratio = 1,028.5 / 588 = 175%

This is dangerous. They are highly leveraged.

### Interest Coverage Ratio

Interest Coverage Ratio = Earnings before Interest and Taxes/Interest Expense

Interest coverage ratio shows how the company’s earnings (EBIT) is able to meet its interest expenses.

Operating profit is also referred to as earnings before interest and tax (EBIT).

EBIT = 273.5 m

Interest expense = 30.2m

Interest coverage ratio = 273.5 / 30.2 = 9.06x

## In Summary

Price-to-Book (P/B) Ratio and Price-to-Earnings (P/E) Ratio are indications of market sentiments towards the company. You can use these ratios to compare a company with its industry peers to see whether they are overvalued or undervalued. Note, however, that these metrics can aid you, but they are not conclusive of whether a stock is good or bad. Please do your own due diligence before investing.

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