Probability of default (PD)

Probability of default (PD) means:
(1) For a wholesale exposure to a non-defaulted obligor, the Board-regulated institution's empirically based best estimate of the long-run average one-year default rate for the rating grade assigned by the Board-regulated institution to the obligor, capturing the average default experience for obligors in the rating grade over a mix of economic conditions (including economic downturn conditions) sufficient to provide a reasonable estimate of the average one-year default rate over the economic cycle for the rating grade.
(2) For a segment of non-defaulted retail exposures, the Board-regulated institution's empirically based best estimate of the long-run average one-year default rate for the exposures in the segment, capturing the average default experience for exposures in the segment over a mix of economic conditions (including economic downturn conditions) sufficient to provide a reasonable estimate of the average one-year default rate over the economic cycle for the segment.
(3) For a wholesale exposure to a defaulted obligor or segment of defaulted retail exposures, 100 percent.

Source

12 CFR § 217.101

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Scoping language

Terms that are set forth in 217.2 and used in this subpart have the definitions assigned thereto in 217.2.

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