Case Study: ECB's Record €12.18 Million Fine on J. P. Morgan SE (2026) by D. Roche
Overview On 19 February 2026, the European Central Bank (ECB) announced two administrative penalties totalling €12.18 million on J.P. Morgan SE (the European subsidiary of JPMorgan Chase & Co.) for misreporting its risk-weighted assets (RWAs) between 2019 and 2024. The ECB stated that the misreporting led to understated RWAs and, as a result, higher reported capital ratios than should have been reported. (European Central Bank Banking Supervision, 2026) The ECB attributed the breaches to serious negligence and deficiencies in internal processes and controls, including controls that did not detect the issues in a timely manner. (European Central Bank Banking Supervision, 2026) What RWAs are and why they matter RWAs are a risk-sensitive measure of a bank’s exposures. They are used as the denominator in key regulatory capital ratios and as the basis for calculating minimum capital requirements. In practice, higher-risk exposures carry higher risk weights, whic...