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Intermediate4 min readThe Economy and Saving in Egypt · 1/13

How Interest Rates Affect the Stock Market

When the central bank raises or cuts interest rates, the market talks about little else that day. But what actually happens? A rate decision reaches share prices through three routes, and none of them is automatic.

What you will learn

  • Know who sets the key interest rates in Egypt.
  • Understand three ways interest rates affect stocks.
  • See why the market may not move on a decision everyone expected.
In this lesson

Who sets the rate?

In Egypt, the Monetary Policy Committee of the Central Bank of Egypt decides the key interest rates, such as the overnight deposit and lending rates. That decision is not exactly the rate on your savings certificate, but banks build their own rates on it, so it shapes savings returns and borrowing costs across the whole economy. These numbers change from meeting to meeting, so always check the latest official statement from the central bank rather than a figure you heard somewhere.

Three routes from rates to stocks

The rate decisionreaches stocks by three routes
1The alternativeIs the bank savings return higher or lower than before?
2The cost of debtHow much interest does the company pay on its loans?
3The value of future profitsWhat are the coming years of profit worth today?
One decision, three different routes to a share price.

The first route is the alternative. When bank savings pay more, many people compare and find a known return more attractive, so some money may leave stocks for the bank. When rates fall, the comparison flips.

The second route is the cost of debt: a company with variable-rate loans, or one that needs to refinance its debt, pays more interest when rates rise, and that comes straight out of its profit. The third route is the value of future profits: anyone valuing a company compares its coming profits with the return available without risk. The higher that return, the lower the price the market may put today on the same future profits.

A worked example

An invented company and its loanAn invented company, Nile Food Industries, earns EGP 40 million a year before interest and owes 100 million; assume the loan has a variable rate. At a 10% loan rate it pays 10 million in interest and keeps 30 million. At 15%, interest becomes 15 million and profit drops to 25 million, about 17% less, even though the company sells the same volume at the same prices. The figures are invented and before tax.

The reverse happens too. A company with almost no debt is untouched by the second route, and one holding plenty of cash may earn more interest income when rates rise. So rates do not hit every stock to the same degree, or even in the same direction.

Why the market sometimes does not move

Prices react to surprise more than to the news itself. If most traders expected a rate rise, they may have acted on it weeks before the decision, so the day itself passes quietly. If the decision goes against expectations, the reaction can be much bigger.

Watch outDo not treat "rates fell, so stocks will rise" as a rule. Interest rates are one factor among many, such as company profits, the exchange rate and global news, and another factor can outweigh them completely.

Compare for yourself

Open the rates page to see savings returns and exchange rates, then look at how the market is moving today.

Check yourself

1. A company carries large loans and its loan rate rises. What is the most direct effect?

Higher interest comes out of profit even if sales do not change.

2. Everyone expected a rate cut, and a cut came. Why might the market barely move?

Traders act on expectations, so big moves come with surprises.

Summary

  • The central bank's Monetary Policy Committee sets the key rates, and banks build on them.
  • Rates reach stocks through the alternative, the cost of debt and the value of future profits.
  • The effect differs by company, and the market moves on surprise more than on the news.

Related terms

Related lessons

Educational content only, not investment advice. Companies and figures in the examples are invented for illustration.