RDP 2013-12: Central Counterparty Links and Clearing System Exposures Equation

\begin{array}{l} Y_{U} = \sum_{k \in K} \sum_{i \in N} E [\max (\sum_{j \in N} X_{i j}^{k}, 0)] \\ Y_{L} = \sum_{c \in C} \sum_{i \in N_{c}} E [\max (\sum_{j \in N} \sum_{k \in K} X_{i j}^{k}, 0)] \\ + \underset{Meta - CCP exposure to C CCPs}{\underset{︸}{\sum_{c \in C} E [\max (\sum_{d \neq c \in C} \sum_{i \in N_{d}} \sum_{j \in N_{c}} \sum_{k \in K} X_{i j}^{k}, 0)]}} \end{array}