CNMV Fines Database | Comisión Nacional del Mercado de Valores Enforcement Actions
Track Comisión Nacional del Mercado de Valores (CNMV) fines and enforcement actions from 2021-2026. Current totals are loaded from the live evidence view. Complete database with stats, trends, and analysis.
Coverage Snapshot
- Regulator: Comisión Nacional del Mercado de Valores
- Jurisdiction: Spain
- Tracked period: 2021-2026
- Tracked actions: 103
- Latest tracked action: 2026-10-19
- Default currency: EUR
Use This Data
Open the live RegActions workspace to filter the source records, inspect related firms, compare breach themes, and export the evidence for compliance or board reporting.
Largest enforcement actions
| Firm or individual | Date | Amount | Breach category | Source |
|---|---|---|---|---|
| X (formerly Twitter) | 15 Nov 2024 | £4,250,000 | Very Serious Infringement | Notice |
| Banco Santander SA | 20 Jun 2024 | £212,500 | Serious Infringement | Notice |
| BBVA | 10 Dec 2023 | £153,000 | Serious Infringement | Notice |
| Renta 4 Banco SA | 5 Sep 2023 | £42,500 | Minor Infringement | Notice |
Amounts are normalised to GBP for comparison.
Frequently asked questions
What is the largest CNMV fine?
The largest CNMV fine currently recorded by RegActions is £4,250,000, issued to X (formerly Twitter) on 15 Nov 2024 by the Comisión Nacional del Mercado de Valores. This reflects amounts that have passed RegActions' amount-review gate; see the CNMV fines database below for the complete, source-linked list.
How can I verify a CNMV fine?
Start with the firm or individual name, the penalty date and the disclosed amount, then open the linked Comisión Nacional del Mercado de Valores notice. The notice sets out the rule breaches, the affected period and the sanction. RegActions links every record to its official source; the regulator's own publication remains the authoritative record.