Privacy Policy

Last updated: 20 September 2026.

K&J Stack is designed so that the portfolio information you enter is stored locally in your browser using browser storage. The site does not require an account and does not intentionally transmit your holdings or purchase-cost entries to a K&J Stack user database.

Local browser storage

The site uses local storage to remember holdings, portfolio snapshots and currency preferences. This information remains associated with that browser profile until you remove it, clear site data, or replace it by importing a backup.

Third-party services

The site uses third-party infrastructure and data services to deliver the website, chart functionality, foreign-exchange information and precious-metal market data. Those providers may receive ordinary technical request information such as IP address, browser details and request timestamps under their own policies.

Advertising and cookies

K&J Stack may add advertising services in the future. If advertising or analytics that require consent are introduced, this policy and the site's consent controls will be updated before those services are enabled where required.

Your choices

You can delete locally stored portfolio information by using your browser's site-data controls. Export a backup first if you want to retain a copy.

Contact

For privacy questions, email cardvexahq@gmail.com or use the Contact page.