For press.
Three topic briefs, a bio, and a direct line.

The story the market keeps telling itself is that Basel IV in the US, the UK and the GCC is a fresh start — a clean implementation of the Basel III endgame framework on national terms. This is the wrong story. The only jurisdiction in the world that has actually implemented Basel IV at G-SIB scale is the eurozone, and the CRR3 programme inside those banks has already produced the operational answers the rest of the market will reach.

The output floor, as designed in Basel, is not what it turns into inside a running bank — it becomes a data-lineage problem, then a product-governance problem, then a commercial-strategy problem. The IRB recalibration cycle, as designed, is not a modelling project — it is an operating-model rebuild. The CCF framework is not a technical update; it is an early indicator of how the EBA intends to write the next hundred mandates sitting behind Level 1.

Any bank preparing for Basel IV in 2026–2028 — US, UK, GCC or otherwise — is either importing these lessons or learning them again. The time-saving from importing them is measured in cycles, not months.

What this means for readers. The Basel IV story is not primarily about the rule text. It is about implementation capacity. That has already been built in Europe. Covering Basel IV without covering CRR3 is covering the weather without covering the climate.

Pillar 2R and the combined buffer requirement are the visible capital lines — required, disclosed, and priced by the market. Pillar 2G is the invisible one. It is a guidance number, not technically binding, not publicly disclosed at institution level, but managed to as if binding by every bank the ECB supervises. And it is the line where post-inspection findings, weak stress-test infrastructure and governance shortfalls get turned into capital the bank cannot deploy.

The average mid-cap G-SIB exits an on-site inspection with approximately thirty basis points of incremental P2G — worth roughly €1.8 bn of locked CET1 on a €600 bn balance sheet, and roughly €180 m per year in foregone earnings at a 10% ROE target. None of that shows up in press releases. All of it shows up in cost of capital.

The supervisory machinery that forms a P2G number is slow, opaque and under-researched. The window of influence runs eighteen months before the SREP letter, not after. The banks managing this well are a small minority; the banks paying for it are most of the industry.

What this means for readers. The real regulatory capital story of the 2025–2028 cycle is not Basel IV headline ratios. It is the P2G number that is being set inside the black box of Pillar 2 — and the handful of European banks that are learning to run a cycle at zero incremental add-on.

The prevailing narrative on GCC banking regulation is a catch-up narrative — that the region is implementing international standards with a lag. This story is already out of date. The Central Bank of the UAE, the Saudi Central Bank and the Qatar Central Bank have each, since 2022, moved from rule-adoption to supervisory-capacity rebuilding — and the pace of that rebuild is now faster than any European jurisdiction achieved over comparable periods.

The CBUAE's alignment of large-bank regulation with CRR3 principles, SAMA's stress-testing framework refresh, and the QCB's granular reporting ambitions are not individual policy moves — they are three pieces of the same operating-model transition, happening in parallel, on a four-year horizon. European supervisors took fifteen to twenty to build equivalent capacity.

The practical consequence: GCC G-SIBs and large regional banks are, for the first time, running prudential programmes with the depth of their European peers, with regulatory frameworks maturing faster than the ones they are porting. This is not a story of emulation. It is a story of divergent evolution.

What this means for readers. The interesting global-regulation story in 2026 is not the US Endgame negotiation or the UK's Basel implementation. It is the architecture being built in the Gulf, at a pace and with a confidence the Basel Committee's slower jurisdictions no longer attempt.