Supervisory factors, correlation and supervisory option volatilities
PRU A4.6.34
Supervisory factors are specific to each asset class. The Authorised Person must refer to the table below to determine the supervisory factor relevant to their determination of the add-on for their particular asset class in accordance with the asset-class-specific formulae set out in Rules A4.6.35 to A4.6.58.
Asset Class Subclass Supervisory factor SF (%) Correlation ρ (%) Supervisory option volatility σ (%) Interest rate 0.50 n/a 50 Foreign exchange 4.0 n/a 15 Credit, single name (where CQG represents Credit Quality Grade) CQG 1 0.38 50 100 CQG 2 0.42 50 100 CQG 3 0.54 50 100 CQG 4 1.06 50 100 CQG 5 1.6 50 100 CQG 6 6.0 50 100 Credit, index Investment Grade 0.38 80 80 Non-Investment Grade 1.06 80 80 Equity, single name 32 50 120 Equity, index 20 80 75 Commodity Electricity 40 40 150 Oil/Gas 18 40 70 Metals 18 40 70 Agricultural 18 40 70 Other 18 40 70