Each subsection below lists the risk weight, sensitivities, risk position, and risk charge measures for the corresponding calculation stage. Jump to the relevant section:
Required hierarchies must be present in the query for the measure to evaluate correctly.
Delta
Equity Delta Sensitivities
Equity Delta Weighted Sensitivities
Formula
W S k = R W k ⋅ s k WS_k=RW_k \cdot s_k W S k = R W k ⋅ s k
Equity Delta Risk Weight
Equity Delta Risk Position Double Sums
Formula
∑ k ∈ b ∑ l ∈ b ⋅ W S k ⋅ W S l \sum _{k\in b}\sum _{l\in b}\cdot WS_k \cdot WS_l ∑ k ∈ b ∑ l ∈ b ⋅ W S k ⋅ W S l
Equity Delta Risk Position Correlations
Correlation parameter ρ k l \rho_{kl} ρ k l between delta sensitivities within the same bucket (‘Medium correlations’ scenario).
Equity Delta Risk Position
Formula
K b = m a x ( 0 , ∑ k ∈ b W S k 2 + ∑ k ∈ b ∑ l ∈ b , l ≠ k ρ k l ⋅ W S k ⋅ W S l ) K_{b} =\sqrt{max \left( 0, \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)} K b = ma x ( 0 , ∑ k ∈ b W S k 2 + ∑ k ∈ b ∑ l ∈ b , l = k ρ k l ⋅ W S k ⋅ W S l )
Equity Delta Risk Charge
Formula
K = ∑ b K b 2 + ∑ b ∑ c ≠ b γ b c ⋅ S b ⋅ S c where S b = ∑ k W S k if ∑ b K b 2 + ∑ b ∑ c ≠ b γ b c ⋅ K b ⋅ K c > 0 else S b = m a x ( m i n ( ∑ k W S k , K b ) , − K b ) \begin{aligned}
&K = \sqrt{\sum _{b} K_{b}^{2} + \sum _{b}\sum _{c\neq b}\gamma_{bc}\cdot S_b \cdot S_c} \\
&\text{where } S_b = \sum _{k} WS_k \text{ if } \sum _{b} K_{b}^{2} + \sum _{b}\sum _{c\neq b}\gamma_{bc}\cdot K_b \cdot K_c > 0 \\
&\text{else } S_b = max(min(\sum _{k} WS_k, K_b), -K_b)
\end{aligned} K = b ∑ K b 2 + b ∑ c = b ∑ γ b c ⋅ S b ⋅ S c where S b = k ∑ W S k if b ∑ K b 2 + b ∑ c = b ∑ γ b c ⋅ K b ⋅ K c > 0 else S b = ma x ( min ( k ∑ W S k , K b ) , − K b )
Vega
Equity Vega Sensitivities
Equity Vega Weighted Sensitivities
Formula
W S k = R W k ⋅ s k WS_k=RW_k \cdot s_k W S k = R W k ⋅ s k
Equity Vega Risk Weight
Formula
R W k = min [ R W σ ⋅ L H r i s k c l a s s 10 ; 100 % ] RW_k = \min\left[RW_\sigma \cdot \frac{\sqrt{LH_{riskclass}}}{\sqrt{10}}; 100\%\right] R W k = min [ R W σ ⋅ 10 L H r i s k c l a ss ; 100% ]
Equity Vega Risk Position Double Sums
Formula
∑ k ∈ b ∑ l ∈ b ⋅ W S k ⋅ W S l \sum _{k\in b}\sum _{l\in b}\cdot WS_k \cdot WS_l ∑ k ∈ b ∑ l ∈ b ⋅ W S k ⋅ W S l
This measure contributes the cross-product term that appears under the square root of the bucket-level charge formula K b K_b K b .
Equity Vega Risk Position Correlations
Formula
ρ k l = m i n [ ρ k l D E L T A ⋅ ρ k l o p t i o n m a t u r i t y ; 1 ] \rho_{kl}=min\left [\rho_{kl}^{DELTA} \cdot \rho_{kl}^{option\ maturity};1 \right ] ρ k l = min [ ρ k l D E L T A ⋅ ρ k l o pt i o n ma t u r i t y ; 1 ]
Correlation parameter ρ k l \rho_{kl} ρ k l between vega sensitivities within the same bucket (‘medium’ correlation scenario).
Equity Vega Risk Position
Formula
K b = m a x ( 0 , ∑ k ∈ b W S k 2 + ∑ k ∈ b ∑ l ∈ b , l ≠ k ρ k l ⋅ W S k ⋅ W S l ) K_{b} =\sqrt{max \left( 0, \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)} K b = ma x ( 0 , ∑ k ∈ b W S k 2 + ∑ k ∈ b ∑ l ∈ b , l = k ρ k l ⋅ W S k ⋅ W S l )
Equity Vega Risk Charge
Formula
K = ∑ b K b 2 + ∑ b ∑ c ≠ b γ b c ⋅ S b ⋅ S c where S b = ∑ k W S k if ∑ b K b 2 + ∑ b ∑ c ≠ b γ b c ⋅ K b ⋅ K c > 0 else S b = m a x ( m i n ( ∑ k W S k , K b ) , − K b ) \begin{aligned}
&K = \sqrt{\sum _{b} K_{b}^{2} + \sum _{b}\sum _{c\neq b}\gamma_{bc}\cdot S_b \cdot S_c} \\
&\text{where } S_b = \sum _{k} WS_k \text{ if } \sum _{b} K_{b}^{2} + \sum _{b}\sum _{c\neq b}\gamma_{bc}\cdot K_b \cdot K_c > 0 \\
&\text{else } S_b = max(min(\sum _{k} WS_k, K_b), -K_b)
\end{aligned} K = b ∑ K b 2 + b ∑ c = b ∑ γ b c ⋅ S b ⋅ S c where S b = k ∑ W S k if b ∑ K b 2 + b ∑ c = b ∑ γ b c ⋅ K b ⋅ K c > 0 else S b = ma x ( min ( k ∑ W S k , K b ) , − K b )
Curvature
Equity Curvature Delta Sensitivities
This measure matches Equity Delta Sensitivities for trades and risk factors having curvature risk charges.
Equity Curvature Delta Weighted Sensitivities
Formula
R W k ( c u r v a t u r e ) ⋅ s i k RW_k^{(curvature)} \cdot s_{ik} R W k ( c u r v a t u re ) ⋅ s ik
This measure matches Equity Delta Sensitivities for trades and risk factors having curvature risk charges.
Equity Curvature shock-up prices
Equity Curvature shock-down prices
Equity Curvature CVR Up
Formula
− ∑ i { V i ( x k ( R W ( c u r v a t u r e ) + ) ) − V i ( x k ) − R W k ( c u r v a t u r e ) ⋅ s i k ) } -\sum_{i}\left \{ V_i\left ( x_k^{(RW^{(curvature)+})} \right ) -V_i(x_k)-RW_k^{(curvature)}\cdot s_{ik})\right \} − ∑ i { V i ( x k ( R W ( c u r v a t u re ) + ) ) − V i ( x k ) − R W k ( c u r v a t u re ) ⋅ s ik ) }
The measure Equity Curvature CVR Up can be replicated with these measures: Equity Curvature shock-up prices minus Equity Curvature Delta Weighted Sensitivities .
Equity Curvature CVR Down
Formula
− ∑ i { V i ( x k ( R W ( c u r v a t u r e ) − ) ) − V i ( x k ) + R W k ( c u r v a t u r e ) ⋅ s i k ) } -\sum_{i}\left \{ V_i\left ( x_k^{(RW^{(curvature)-})} \right ) -V_i(x_k)+RW_k^{(curvature)}\cdot s_{ik})\right \} − ∑ i { V i ( x k ( R W ( c u r v a t u re ) − ) ) − V i ( x k ) + R W k ( c u r v a t u re ) ⋅ s ik ) }
The measure Equity Curvature CVR Down can be replicated with these measures: Equity Curvature shock-down prices plus Equity Curvature Delta Weighted Sensitivities .
Equity Curvature CVR
The measure Equity Curvature CVR can be replicated by selecting either the Equity Curvature CVR Up or Equity Curvature CVR Down based on the scenario value of Equity Curvature Bucket Scenario .
Equity Curvature Risk Position Up
Formula
K b + = m a x ( 0 , ∑ k ∈ b m a x ( C V R k + , 0 ) 2 + ∑ k ∈ b ∑ l ∈ b , l ≠ k ρ k l ⋅ C V R k + ⋅ C V R l + ⋅ ψ ( C V R k + , C V R l + ) ) K_{b}^{+} =\sqrt{max\left(0,\sum _{k\in b} max(CVR_k^{+},0)^{2} +\sum _{k\in b}\sum _{l\in b, l\neq k}\rho_{kl}\cdot CVR_k^{+} \cdot CVR_l^{+} \cdot \psi(CVR_k^{+},CVR_l^{+})\right)} K b + = ma x ( 0 , ∑ k ∈ b ma x ( C V R k + , 0 ) 2 + ∑ k ∈ b ∑ l ∈ b , l = k ρ k l ⋅ C V R k + ⋅ C V R l + ⋅ ψ ( C V R k + , C V R l + ) )
Equity Curvature Risk Position Down
Formula
K b − = m a x ( 0 , ∑ k ∈ b m a x ( C V R k − , 0 ) 2 + ∑ k ∈ b ∑ l ∈ b , l ≠ k ρ k l ⋅ C V R k − ⋅ C V R l − ⋅ ψ ( C V R k − , C V R l − ) ) K_{b}^{-} =\sqrt{max\left(0,\sum _{k\in b} max(CVR_k^{-},0)^{2} +\sum _{k\in b}\sum _{l\in b, l\neq k}\rho_{kl}\cdot CVR_k^{-} \cdot CVR_l^{-} \cdot \psi(CVR_k^{-},CVR_l^{-})\right)} K b − = ma x ( 0 , ∑ k ∈ b ma x ( C V R k − , 0 ) 2 + ∑ k ∈ b ∑ l ∈ b , l = k ρ k l ⋅ C V R k − ⋅ C V R l − ⋅ ψ ( C V R k − , C V R l − ) )
Equity Curvature Risk Position Scenario
Equity Curvature Risk Position
Formula
K b = m a x ( K b + , K b − ) K_b=max(K_b^{+},K_b^{-}) K b = ma x ( K b + , K b − )
Equity Curvature Bucket Scenario
The measure Equity Curvature Bucket Scenario can be replicated by evaluating Equity Curvature Risk Position Scenario at the Equity Buckets level.
Equity Curvature Sb
Formula
S b = ∑ k C V R k + when scenario is upward, S b = ∑ k C V R k − when scenario is downward S_b = \sum_k CVR_k^{+}\text{ when scenario is upward, } S_b = \sum_k CVR_k^{-}\text{ when scenario is downward} S b = ∑ k C V R k + when scenario is upward, S b = ∑ k C V R k − when scenario is downward
Equity Curvature Risk Weight
Equity Curvature Risk Charge
Formula
C u r v a t u r e r i s k = m a x ( 0 , ∑ b K b 2 + ∑ b ∑ c ≠ b γ b c ⋅ S b ⋅ S c ⋅ ψ ( S b , S c ) ) Curvature\ risk = \sqrt{max\left ( 0,\sum _{b} K_{b}^{2} + \sum _{b}\sum _{c\neq b}\gamma_{bc}\cdot S_b \cdot S_c \cdot \psi (S_b,S_c) \right )} C u r v a t u re r i s k = ma x ( 0 , ∑ b K b 2 + ∑ b ∑ c = b γ b c ⋅ S b ⋅ S c ⋅ ψ ( S b , S c ) )