Mortgage-backed Securities
Mortgage-backed Securities - Related Videos
01:29
Developments in the Mortgage Market
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2026
Traditionally, mortgage lenders such as banks kept home loans on their own books and carried the risk if borrowers defaulted. Securitization changed this process. Banks began issuing mortgages and then selling them to other institutions, including government-sponsored enterprises and private financial institutions. These institutions grouped large numbers of mortgages together and converted them into mortgage-backed securities, or MBS, which were then sold to investors.Because these securities...
01:18
Secured Loans
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2025
Secured loans play an important role in supporting businesses by providing access to substantial funding while minimizing risks for lenders. These loans require the borrower to pledge assets as collateral, such as property, equipment, or inventory, which acts as security for the loan. This reduces the lender's risk, often resulting in lower interest rates than unsecured loans. For businesses, secured loans are a reliable way to finance significant expenses or investments, such as purchasing...
01:23
Security Market Line
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2024
The Security Market Line (SML) is a fundamental concept in finance that illustrates the relationship between an investment's expected return and its systematic risk, quantified by beta. This graphical representation helps investors understand how securities are priced based on their inherent risk levels and provides a framework for evaluating investment opportunities. The SML's slope, defined by the market risk premium, indicates the additional return investors require for taking on higher risk.
01:30
The Costs of Issuing Securities
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2026
Issuing securities entails various costs, collectively referred to as issuance costs, which reduce the net proceeds a company receives. These costs depend on factors such as the type of security, issuance size, and prevailing market conditions.Key issuance costs include underwriting, legal, accounting, and registration fees. Underwriting fees compensate financial institutions that facilitate the sale of securities. Legal fees cover regulatory compliance, while accounting fees ensure...
01:27
Management of Marketable Securities
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2025
The management of marketable securities is a critical component of financial strategy for businesses and investors. Marketable securities are short-term investments, such as Treasury bills, bonds, and money market instruments, that can be easily converted into cash with minimal loss in value. The primary significance of managing these securities lies in maintaining liquidity while earning a modest return on idle funds. Effective management ensures an organization has sufficient liquidity to...
FAQs
Prepayments and defaults alter both the amount and timing of investor cash flows. Faster prepayments can shorten the period over which principal and interest are received, whereas defaults may reduce expected payments and increase uncertainty. Because these outcomes depend partly on borrower behavior and financing conditions, they are central to evaluating MBS returns and comparing their risk across changing markets.
Interest-rate changes affect MBS through more than a simple price movement. They can alter the timing of principal returned to investors through changes in prepayment behavior. They also affect mortgage borrowing costs and the availability of housing finance. For macroeconomic analysis, this makes MBS a link between financial conditions, household borrowing, and investment.
Credit enhancement matters because it can change the risk assessment attached to an MBS. Analysts therefore evaluate it alongside defaults, prepayments, interest-rate conditions, and expected principal and interest payments rather than treating the security as a fixed stream of cash. This broader view helps explain why two securities linked to mortgages may have different return risks.
MBS influence macroeconomic conditions by channeling funds toward housing finance. When this channel supports mortgage availability or affects borrowing costs, household decisions about housing and consumption can change, while investment may also respond. Their importance extends beyond individual investors because movements in MBS markets can help explain how financial conditions reach the broader economy.
Begin with the underlying mortgage pool and identify whether it contains residential or commercial loans. Then trace the lender’s transfer of those loans to a trust or similar vehicle and follow how scheduled principal and interest payments reach investors. Finally, evaluate how prepayments, defaults, interest rates, and credit enhancement alter payment timing and investment risk.
Researchers use MBS analysis when studying monetary transmission, housing finance, or financial stability. The securities show how changes in interest rates can affect mortgage-related cash flows and borrowing conditions, while their links to investors and financial markets help reveal how stress may spread. This makes them useful for connecting household finance with economy-wide outcomes.
Valuing an MBS requires attention to the timing and risk of future payments, not only the mortgage pool’s stated principal and interest. Prepayments, defaults, and interest-rate changes can alter expected returns, while credit enhancement also enters the assessment. In addition, market interconnectedness means valuation can be relevant to financial-stability analysis, not just security pricing.