Snyfer.com

CMVM investor alerts
Searchable by domain

Published by Portugal flagComissão do Mercado de Valores Mobiliários. Type a domain to see whether CMVM has published a notice naming it. Every answer links to the notice itself.

Published notices
34
Domains named
32
Warnings, 12 months
20
Earliest notice
Jan 8, 2024
Last notice
Sep 1, 2026

The list

What being on it
actually means.

How to read the CMVM warnings, what our collection covers, and where to check a firm. Explained by Snyfer using the official sources below.

Understanding the CMVM warnings

The Portuguese CMVM investor portal brings together alerts about unauthorised entities and routes for checking authorised providers. Read the issuer and jurisdiction of each original notice.

Read the official investor alerts

Listed locally as: Alertas

Portuguese authorisation

CMVM alerts can concern entities that are not authorised to provide the investment services they offer in Portugal.

Foreign alerts

The portal also points to warnings from authorities in other countries. A foreign notice should retain its original attribution.

Verify the provider

The investor portal directs readers to lists of entities authorised to provide financial services in Portugal.

The CMVM describes the warning lists as non-exhaustive.

What Snyfer has collected

Notices in Snyfer
34
Domains in Snyfer
32
Latest warning recorded
Sep 1, 2026
Archive browsing limit
500 rows

These counts describe our collection, not the complete official list. One notice can name several domains. The warning date is not the date of our last successful collection.

Our CMVM collection is limited. Check the official portal as well, especially when a name or domain is not found here.

Browse the collected warnings

Check the firm at the source

Visit the official CMVM website

Use the authority's own guidance and contact information when checking a provider or raising a concern.

The CMVM publishes this list in Portuguese only.

From an official warning to a Snyfer analysis

Use the archive to open the original notice and the domain's Snyfer page. Where scan results and network matches are available, they add technical context. Those matches are Snyfer's analysis; they are not additional findings attributed to CMVM.

Explanations by Snyfer · Official source for this guide

Publication history

When CMVM
publishes.

Notices per month. An authority that has gone quiet looks quiet here, which is the thing a list published as a single page can never show you.
Notices per month Peak 10
  1. October 2024
  2. September 2025
  3. September 2026

The numbers

What the archive
shows.

  • Snyfer currently tracks 34 notices published by CMVM.
  • Those notices name 32 distinct domains, an average of 0.9 per notice.
  • January 2026 was the busiest month, with 2 notices.
  • Over the last year that is about 2 warnings a month, counting one per domain named.
  • 3.1 percent of the domains CMVM has named are grouped under Xuex Exchange.
  • One group was still being flagged in the three months to Oct 21, 2025.
  • The most recent notice we hold from CMVM is dated Sep 1, 2026. We log notices as they are published and do not track removals, so this archive is a record of what was filed, not of what is listed today.

Clusters

Names that travel
together.

Domains CMVM has named that share technical traits with one another. A regulator names firms one at a time; the infrastructure they share is ours to see.

Grouped by shared technical traits. That is a lead, not a verdict: shared hosting, common templates and reused libraries also tie together large numbers of unrelated sites. Check each domain on its own report before drawing a conclusion about it.

Xuex Exchange

1 of 28 domains flagged · 1 notices

The archive

The notices themselves,
newest first.

Every row links to CMVM's own published notice, so nothing here has to be taken on our word.
32 warnings