Privacy Policy
Last updated: June 11, 2026
1. Overview
Butterfly Market Insider takes your privacy seriously. Your data is a valuable asset, and we protect it with the same care that we devote to our market analyses. This policy explains in detail which personal data we collect when you visit or use this website, how and why we process it, which third-party services are involved, and which rights you have under the EU General Data Protection Regulation (GDPR).
2. Data Controller
The controller responsible for data processing on this website is:
Daniel Herzog
c/o POSTFLEX PFX-384-519, Emsdettener Straße 10, 48268 Greven, Germany
E-mail: info@butterflymarketinsider.com
If you have any questions about the collection, processing or use of your personal data, or if you wish to exercise your rights as a data subject, please contact us at the address above.
3. Collection & Storage of Personal Data
Server log files: When you visit our website, our hosting provider automatically records technical information, including browser type and version, operating system, referrer URL, hostname of the accessing device, IP address and the time of the server request. This data cannot be attributed to specific individuals and is not merged with other data sources. It is processed to ensure the secure and stable operation of the website. Legal basis: Art. 6(1)(f) GDPR (legitimate interest).
User accounts: If you register for our Portfolio Tracker or a membership, we store your e-mail address, your username and, optionally, your name in order to provide the service and fulfil our contractual obligations. Legal basis: Art. 6(1)(b) GDPR (performance of a contract).
4. Cookies, Consent & Push Notifications
Cookie consent management: We use Google’s Consent Management Platform (Google’s consent message / “Privacy & messaging”, provided by Google Ireland Ltd., Gordon House, Barrow Street, Dublin 4, Ireland). It is a CMP registered under the IAB Transparency & Consent Framework (TCF v2.2) and integrated with Google Consent Mode v2. Your consent choice is stored as a consent string (TC string) in cookies (including FCCDCF, __eoi) on your device; data is transmitted to Google’s servers in order to display the consent message. You can withdraw or change your consent at any time with effect for the future via the consent tool. Legal basis: Art. 6(1)(a) GDPR (consent) and Art. 6(1)(c) GDPR (legal obligation to manage consent).
Strictly necessary cookies: We use functional cookies for session management, login status (pmpro_visit) and your language preference (pll_language). These are required for the website to work and do not need consent. Legal basis: Art. 6(1)(f) GDPR.
Marketing and analytics: Trackers used for marketing or analytics purposes are only loaded after you have given your explicit consent via the cookie banner. You can change or withdraw your consent at any time.
5. Google AdSense & Advertising Cookies
This website uses Google AdSense, an advertising service provided by Google Ireland Ltd. (Gordon House, Barrow Street, Dublin 4, Ireland). Google AdSense uses cookies and web beacons (invisible graphics) to collect information about your browsing behavior in order to display personalized ads.
The data collected includes your IP address, the ad formats served, your interaction with the ads, and information about your browser and device. This data may be transferred to and stored on Google servers in the United States.
Google uses this data to personalize ads on our website and on third-party sites and to measure the reach of those ads. Google may also share this information with third parties where required by law or where such third parties process the data on Google’s behalf. Processing is based on your consent under Art. 6(1)(a) GDPR, which you provide via our cookie banner and may withdraw at any time with effect for the future.
You can disable personalized advertising at adssettings.google.com. For more information about how Google handles your data, see the Google Privacy Policy.
6. Payment Processing & Newsletter
Payment processing: For paid services (memberships, 100X Insider Reports, Personal Stock Analysis) we use Stripe and PayPal. Payment data is processed directly by the respective payment provider and is not stored on our servers. Privacy policies: stripe.com/privacy and paypal.com/privacy.
Newsletter: Our newsletter is sent via Zoho Mail. You can withdraw your consent (Art. 6(1)(a) GDPR) at any time using the unsubscribe link included in every e-mail.
7. Hosting
Our website is hosted by Hetzner Online GmbH, Industriestr. 25, 91710 Gunzenhausen, Germany. Hetzner processes access data on our behalf under a data processing agreement pursuant to Art. 28 GDPR. The data remains within the European Union. Privacy policy: hetzner.com/privacy.
8. Third-Party Services
Yahoo Finance API — used for stock prices, dividend data and other financial data. No personal data is transmitted to Yahoo.
YouTube, Twitch, Kick — used for embedded livestreams. When this content is loaded, data may be transmitted to the respective platforms. Privacy policies: Google/YouTube, Twitch, Kick.
TradingView — we use embedded financial widgets provided by TradingView Inc. (USA). When these widgets are loaded, data (including your IP address) may be transmitted to TradingView. Privacy policy: tradingview.com/privacy-policy.
Chart.js / CDN — used to render charts, loaded via cdnjs.cloudflare.com.
9. Affiliate Links & Partner Programs
This website contains affiliate links to partner programs, including but not limited to Financeads and Plus500. If you click on such a link and subsequently open an account or carry out a transaction, we may receive a commission.
In this process, technical data (e.g. your IP address, click date and referral ID) may be transmitted to the respective affiliate network operator. This processing is based on our legitimate interest pursuant to Art. 6(1)(f) GDPR (proof of remuneration for referral services).
Affiliate links are kept separate from editorial content and are recognizable as such. These partnerships do not affect our editorial independence.
10. Your Rights as a Data Subject
Under the GDPR you have the following rights: access to your data (Art. 15), rectification (Art. 16), erasure (Art. 17), restriction of processing (Art. 18), data portability (Art. 20) and objection to processing (Art. 21). Where processing is based on your consent, you may withdraw that consent at any time with effect for the future.
To exercise any of these rights, simply contact us at: info@butterflymarketinsider.com
You also have the right to lodge a complaint with a supervisory authority. The competent supervisory authority is the Austrian Data Protection Authority (Österreichische Datenschutzbehörde), Barichgasse 40–42, 1030 Vienna, www.dsb.gv.at.
11. SSL Encryption
For security reasons and to protect the transmission of confidential content, this website uses SSL encryption. You can recognize an encrypted connection by the fact that the address line of your browser changes from “http://” to “https://” and by the lock symbol in your browser bar.
When SSL encryption is activated, the data you transmit to us cannot be read by third parties.
12. Changes to This Privacy Policy
We reserve the right to amend this privacy policy so that it always complies with current legal requirements, or to reflect changes to our services — for example when new features or services are introduced.
The new privacy policy will then apply to your next visit. The date of the most recent update is shown at the top of this page.
Questions about your data?
Contact our data protection team at info@butterflymarketinsider.com