Operational risk-weighted assets shrank as a percentage of total RWAs across the eight US global systemically important banks (G-Sibs) in the first quarter of the year, after a number of firms posted multi-billion dollar reductions in their op risk requirements.

Aggregate operational RWAs, as calculated under the Basel advanced approaches, made up 28.6% of total RWAs across the banks at the end of March, down from 29% three months earlier, and 28.7% at the end of 2016.

The last quarter decrea

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The week on Risk.net, September 15–21, 2018