Securities

Interest Rate Risk

Interest rate risk is the potential for investment losses due to changes in interest rates, particularly affecting fixed-income securities like bonds whose prices fall when rates rise.

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Exam Tip

Rates UP = Bond prices DOWN. Longer duration = more interest rate risk.

What is Interest Rate Risk?

Interest rate risk is the risk that changes in interest rates will negatively affect the value of an investment. It primarily impacts bonds and other fixed-income securities.

How It Works

When interest rates RISE:

  • Bond prices FALL
  • New bonds offer higher yields
  • Existing bonds become less attractive

When interest rates FALL:

  • Bond prices RISE
  • New bonds offer lower yields
  • Existing bonds become more attractive

Factors Affecting Interest Rate Risk

FactorImpact
Maturity (Duration)Longer = More risk
Coupon RateLower = More risk
Credit QualityLower quality = Less rate sensitivity

Duration

Duration measures a bond's sensitivity to interest rate changes:

DurationRate ChangePrice Impact
5 years+1%-5% price
10 years+1%-10% price
20 years+1%-20% price

Managing Interest Rate Risk

  • Ladder bonds - Spread maturities over time
  • Shorter duration - Less sensitive to rate changes
  • Floating rate securities - Rates adjust with market
  • Diversification - Include various fixed income types
  • TIPS - Inflation-protected treasuries

Who Faces Interest Rate Risk?

Investor TypeRisk Level
Bond investorsHigh
Preferred stock holdersModerate
Utility stock investorsModerate
Banks/Financial institutionsHigh
Retirees relying on fixed incomeHigh

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