Fixed income securities
1. What Are Fixed Income Securities?
Fixed income securities are investments that pay regular interest (coupon) and return the principal at maturity.
Common types:
Bonds (corporate, government, municipal)
Treasury bills and notes
Certificates of deposit (CDs)
Mortgage-backed securities (MBS)
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2. Key Terminology You Must Know
Face Value (Par) – The amount paid back at maturity, usually $1,000.
Coupon Rate – The interest rate paid annually/semi-annually on face value.
Yield – Return on the bond, expressed as a percentage.
Maturity – When the principal is repaid.
Price – Bonds may trade at premium (above par) or discount (below par).
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3. Bond Pricing & Yield Relationship
When interest rates rise, bond prices fall (and vice versa).
Yield to Maturity (YTM) – The total return if held till maturity.
Current Yield = Coupon / Current Price
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4. Credit Risk & Ratings
Bonds have credit ratings from agencies like Moody's and S&P.
Investment Grade: Less risky (e.g., AAA, AA)
Junk Bonds: Higher yield but higher risk (e.g., BB, B)
Issuer’s ability to repay is key to credit risk.
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5. Duration & Interest Rate Risk
Duration measures sensitivity to interest rate changes.
Higher duration = more price volatility.
Think of it as the “effective maturity.”
Convexity adds a second layer of interest rate sensitivity (for advanced learning later).
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6. Types of Bonds
Government Bonds: Very low risk (e.g., US Treasuries).
Corporate Bonds: Higher yield, higher risk.
Municipal Bonds: Tax-advantaged in the US.
Inflation-Linked Bonds (e.g., TIPS): Adjust principal with inflation.
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7. Market Participants & Uses
Institutions (mutual funds, pension funds) buy bonds for stable income.
Bonds are used to diversify portfolios, preserve capital, and manage risk.
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