EQ Kb Vega

Description Bucket-level capital charge for Vega EQ
Reference [MAR50.52]
Notation $K_b$
Formula $$K_b=\sqrt{\left(\sum _{k\in b} (WS_{k})^{2} +\sum _{k\in b}\sum _{l\in b, l\neq k}\rho_{kl}\cdot WS_k \cdot WS_l\right)+R\cdot\sum_{k \in b}\left( (WS^{Hdg}_{k})^2\right)}$$

The measure requires having hierarchy [RegulatoryBucket].[RegulatoryBucket] in the view.