From the Collaborative Bond and Money Market Data Portal
In the Collaborative Bond and Money Market Data Model, the attribute "Fixed Rate" appears both in the field Coupon Type and Category or Structure.
Fixed Rate refers to a debt instrument coupon that is set at issuance and remains unchanged for the life of the instrument, regardless of later movements in market interest rates or benchmark funding rates.
Economically, it gives investors predictable cash flows but leaves the market value of the instrument exposed to changes in prevailing yields, especially when maturity is long or the coupon is low.
Money Market Impact: Fixed-rate issuance matters to money markets because it locks in issuer funding costs instead of resetting with overnight or term benchmarks, which can be attractive when short-term rates are expected to rise. For investors, fixed-rate short-dated paper can compete with commercial paper, certificates of deposit, and other cash instruments, but unlike floating-rate paper its yield does not automatically reprice as policy rates move. Example: when central bank tightening pushes front-end rates higher, newly issued fixed-rate paper must normally offer higher yields to remain competitive, while outstanding low-coupon paper can trade at discounts.
Bond Market Impact: Fixed-rate bonds are more price sensitive to interest-rate moves than floating-rate bonds because their coupons do not adjust when market yields change. When market rates rise, prices of fixed-rate bonds typically fall; the SEC example shows a 10-year Treasury with a 3% coupon falling from $1,000 to about $925 when market rates rise from 3% to 4%. This effect is usually strongest in long-duration sectors such as Treasuries and investment-grade corporates, while lower-coupon bonds of the same maturity generally carry higher interest-rate risk than higher-coupon bonds.
Intermarket Linkages: Fixed-rate instruments connect bond and money markets through relative-value decisions between locking in term yield and staying exposed to rolling short-term rates. In tightening cycles, rising policy and repo rates can pull investors toward money-market instruments and newly issued higher-coupon bonds, pressuring older fixed-rate bonds; in easing or recession scenarios, the same fixed-rate bonds can outperform because their locked coupons become more valuable as market yields fall. Risk transmission is strongest when curve shifts are abrupt, because repricing at the front end changes funding alternatives, portfolio duration demand, and spread behavior across Treasuries, corporates, and other fixed-rate sectors.
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