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Refinancing Cost Gap

Approximates the rate shock faced when old debt is refinanced at current yields.

Formula

Gap = Current funding yield - Coupon/yield on maturing debt

Variables: Current market funding rate; maturing debt cost

What it means

Approximates the rate shock faced when old debt is refinanced at current yields.

Example

Maturing debt costing 1.5% refinanced near 4.0% has a +250 bp refinancing cost gap.

How to interpret it

This concept should be read together with its market convention, measurement horizon and underlying instrument. BondStats presents it as an analytical reference rather than investment advice; instrument documentation and primary market rules remain authoritative.

BondStats reference content is independently written. Mathematical relationships, abbreviations and market conventions are presented for educational and analytical use.