Bonds pay a fixed interest coupon that remains constant over their term. When market interest rates rise, newly issued bonds with higher coupons become more attractive. Existing bonds with lower coupons therefore lose value, as investors would only buy them at a discount. This price decline compensates for the yield difference, so that the total return until maturity once again matches the current market level. The longer the remaining term of a bond, the more its price falls when interest rates rise.<\/p>\n
The relevance stems from the direct loss in value of existing bond holdings in a private portfolio when interest rates rise, which often leads to unexpected losses. Many retail investors confuse the price movement of bonds with that of a fixed-term deposit and underestimate interest rate risk. Additionally, the inverse relationship between price and yield significantly influences decisions about the right time to buy or sell. Without this understanding, mistakes can occur when reallocating portfolios or choosing maturities. Knowledge of this mechanism is therefore essential for realistic yield expectations and managing one’s own investment risk.<\/p>\n
Bonds fall when interest rates rise because the market value of existing bonds decreases to adjust their yield to the higher interest rate level. A bond with a fixed coupon of 2% becomes unattractive when newly issued bonds offer 4%. Investors therefore sell the old bond until its price has fallen enough that the effective yield for the buyer is also 4%. This inverse relationship between price and yield is a fundamental principle of the bond market. The price losses are greater the longer the remaining term of the bond, as the interest rate difference takes effect over a longer period.<\/p>\n
Bonds fall when interest rates rise because the price of a bond corresponds to the present value of its future payments. When the market interest rate rises, these fixed coupon payments are discounted at a higher rate, which lowers the bond’s current value. For a retail investor, this means: an old bond with a 2% coupon becomes unattractive when new bonds offer 4%, so its price must fall to equalize the yield. The sensitivity to interest rate changes is higher the longer the remaining term and the lower the coupon. In practice, investors expecting rising interest rates should choose short maturities or floating-rate bonds to limit price losses.<\/p>\n
Bonds fall when interest rates rise because the market value of existing bonds decreases to adjust the yield to the new interest rate level. A bond with a fixed coupon becomes unattractive when newly issued securities offer higher interest rates. Investors therefore sell the older bond until its price has fallen enough that the effective yield matches the new market yield. This inverse relationship between price and yield is a mathematical necessity, not a speculative phenomenon. The price losses are greater the longer the remaining term of the bond.<\/p>\n
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