Another possible explanation could be that EU CCPs are still “processing” the implementation of EMIR: over the last two years, they have been required to go through a comprehensive authorisation phase, and have had to adapt to a demanding new regulatory environment. We may see an uptake in the establishment of interoperability arrangements now that these regulatory hurdles have been cleared.
There are two things that make the current financial crisis involving CL Financial and its subsidiaries different: (i)  its enormous size; and  (ii)  its regional character.