Posted by Elliot Kravitz, ATP

Factors Affecting the Mortgage Interest Credit

Factors Affecting the Mortgage Interest Credit

For everyone buying a home via financing, the mortgage interest rate has a huge impact. Mortgage borrowers, however, are interested in the lowest rate possible. Yet, money lenders need to mitigate their risk by their charged interest.

Although the financial health of borrowers is linked to the type of interest rate they can get, the entire world of mortgage credit is affected by huge economic factors like government financial policy. We can, however, bring everything down to these five factors. They represent the simplest rule guiding demand and supply. A good understanding of these principles will help you understand what you pay and what you need to pay in the future.


The slow increase in price as a result of inflation is a critical factor in the entire economy. It also guides mortgage lenders. Inflation weakens the purchasing power in time. Mortgage lenders must maintain the interest rate at a specific level that can help prevent the decline of purchasing power that is triggered by inflation. With this, the interest rate will be the real net profit of people. 

For instance, with the mortgage rate at 5% and the annual inflation level at 1.5%, the real return on a loan when you consider the dollar's purchasing power is 3.5%. This means the lender only gets 3.5% back. As a result, mortgage lenders keep a tab on the inflation rate and adjust their rate appropriately.

The Economic Growth level

There are economic growth indicators like employment rate and gross domestic product. This factor influences the mortgage rate. With a higher economic growth level, there will be higher income alongside higher consumer spending levels. This means that some consumers will be looking for mortgage loans to buy a house. While this is a good thing, the increasing demand for mortgages will trigger an increase in the rate of the mortgage.

There will also be an opposite effect triggered when the economy is weakened. There will be a decline in wages and employment. With this, the demand for home loans reduces, which does not favor the interest rate coming from mortgage lenders.

Federal Reserve Monetary Policy

One of the factors that affect the economy alongside the mortgage interest rate is the Federal Reserve Bank’s Monetary Policy. While the federal reserve does not specify the interest rate in the mortgage market, its action affects it. An example of its effect is coming up with the Fed Funds, and changing the money supply upward or downward affects the interest rate available to the public.

When money supplied increases, there will be negative pressure on the rate. When money supplied is limited, on the other hand, there will be positive pressure on the rate.

The Bond Market

Banks and investment firms do advertise market mortgage-backed securities (mbss) as products one can buy as an investment. To attract buyers, the yield coming from these debt securities must be high. Also, government and corporate bonds do give out long term fixed-income investments.

What anyone will earn on such competing investment products influences the yield coming from the mbss. The entire condition of the bond market also influences what lenders charge for their mortgage indirectly. There must be enough yields for mbss to make them attractive in the debt security market. 

The government frequently uses the 10-Year Treasury bond yield as a government-bond benchmark for mortgage lenders to peg their interest rate. For the mbss, the average spread over the 10-year Treasury Bond yield is around 1.7%. These sellers must give out higher yield since there is no complete guarantee on repayment compared to government bonds.  

Housing Market Conditions 

Whatever is happening in the housing market also affects the mortgage rate. If the number of houses constructed and offered for sale is limited, there will be low demand for the mortgage as a result of the reduction in home purchasing. This further triggers a downward interest rate. Also, when many people prefer to rent, rather than buy, this will cause a downward interest rate.

These alterations in home availability alongside consumer demand also determine how mortgage lenders set their interest.


The mortgage interest credit rate revolves around the basic rules of demand and supply. The factors listed above all come to play. The financial capacity of the party involved also affects the available interest rate.

Elliot Kravitz, ATP
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