ECB rate risk stress test renews fears over internal models

Banks alarmed by short timeline and opaque supervisory use of IRRBB stress test

The European Central Bank (ECB) has sparked concerns among the banks it supervises that its 2017 stress test, which focuses entirely on interest rate risk in the banking book (IRRBB), could be used to enforce a de facto Pillar 1 capital charge similar in impact – if not in design – to the one rejected at Basel last year.  Many bankers breathed a sigh of relief when first carried the news in January 2016 that the Basel Committee on Banking Supervision had abandoned plans for a Pillar