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Bonds

MBS (Mortgage-Backed Securities)

Bonds backed by pools of residential mortgages.

In depth

Investors receive monthly principal and interest from underlying mortgages. Sub-types: Agency (Fannie/Freddie/Ginnie — government-backed) and Non-Agency (private). Prepayment risk — homeowners refinancing when rates fall — is unique to MBS. The 2008 crisis was driven by subprime non-agency MBS.

Frequently asked about MBS (Mortgage-Backed Securities)

What is MBS (Mortgage-Backed Securities)?

Bonds backed by pools of residential mortgages. Investors receive monthly principal and interest from underlying mortgages. Sub-types: Agency (Fannie/Freddie/Ginnie — government-backed) and Non-Agency (private). Prepayment risk — homeowners refinancing when rates fall — is unique to MBS. The 2008 crisis was driven by subprime non-agency MBS.

Why does MBS (Mortgage-Backed Securities) matter for investors?

In bonds, MBS (Mortgage-Backed Securities) is one of the building blocks investors use to compare opportunities and assess risk. Understanding it helps you read research notes, earnings reports, and market commentary without getting lost in jargon.

How is MBS (Mortgage-Backed Securities) used in practice?

Investors receive monthly principal and interest from underlying mortgages. Sub-types: Agency (Fannie/Freddie/Ginnie — government-backed) and Non-Agency (private).

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