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. 2025 Mar 6;8:1566197. doi: 10.3389/frai.2025.1566197

Table 1.

Credit rating conversion.

Credit rating Numerical value
AAA 95.0
AA 87.5
A 80.0
BBB 72.5
BB 65.0
B 57.5
CCC 50.0
CC 42.5
C 35.0
DDD 27.5
DD 20.0
D 12.5