Basel III Endgame, recalibrated

The US banking capital framework is entering a critical recalibration phase. On 19 March 2026, US Fed released a revised Notice of Proposed Rulemaking (NPR) that materially reshapes the originally proposed Basel III Endgame.

The updated proposal reflects efforts to improve proportionality, enhance risk sensitivity, and respond to industry feedback - while reinforcing the resilience of large US banks.

The revised NPR signals a meaningful shift in regulatory intent - reducing aggregate capital impacts for certain institutions, simplifying methodologies, and improving alignment between capital requirements and underlying economic risk.

Against this background, Deloitte India has created a thought paper that provides a clear, practical analysis of the recalibrated Basel III Endgame and its implications across capital, risk-weighted assets, and regulatory reporting.