CREDIT
Spread Change
Measures widening or tightening in basis points.
Formula
ΔSpread = Spread_t - Spread_0
Variables: Current spread; prior spread
What it means
Measures widening or tightening in basis points.
Example
A move from 120 bp to 145 bp is a 25 bp widening.
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.
Related Formulas
BondStats reference content is independently written. Mathematical relationships, abbreviations and market conventions are presented for educational and analytical use.