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Step-Up Coupon: Definition & Meaning | Bondfish

What it means

With an ordinary fixed-rate bond, the coupon is the same every period until maturity. A step-up coupon instead follows a schedule of increasing rates that is fixed when the bond is issued — you know in advance what each future coupon will be. That is what separates it from a floating rate note, whose coupon moves up or down with a market index such as Euribor.

Step-ups appear in two broad forms. In the first, the increases are purely calendar-based. Italy’s retail BTP Futura, for example, pays a fixed rate for the first few years, a higher rate for the next block of years, and a higher rate again for the final years — a pattern the Treasury sets before the bond is sold.

In the second form, the step-up is triggered by an event. A bond may carry a rating trigger whose coupon rises if the issuer is downgraded, and many European corporate hybrid bonds step up — typically by around 25 basis points at first, then more later — if the issuer chooses not to redeem the bond at its first call date. The higher coupon is designed to nudge the issuer into calling.

Why it matters for bond investors

Because the increases are scheduled and known, a calendar-based step-up bond’s price is generally less sensitive to rising interest rates than a same-maturity, fixed-coupon bond — the rising coupons partly offset a higher market rate. That is one reason step-up structures are popular in retail government issues.

Trigger-based step-ups deserve a closer look. A coupon that rises because of a rating downgrade is compensation for the issuer’s credit getting worse, not a free lunch; and a hybrid that steps up because it was not called can signal that refinancing became too expensive for the issuer. Read the step-up as information, not just extra income. You can filter for step-up and other coupon structures across 50,000+ bonds on the Bondfish screener.

Example

An illustrative 10-year step-up bond with three coupon steps — the same shape used by BTP Futura issues (a fixed rate for an initial block of years, then two upward steps):

PeriodAnnual coupon (illustrative)
Years 1–4 2.00%
Years 5–7 2.50%
Years 8–10 3.10%

The rates and schedule are set at issuance, so an investor holding to maturity knows every coupon in advance — the income simply steps higher on the pre-agreed dates.

Related terms

This definition is for general information only and is not investment advice. Bond investing involves risk, including possible loss of principal.