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Privacy policy

Last updated 2026-10-23. The short version: no accounts, no cookies, no analytics and no advertising. Price charts load candles from Coinbase or Bybit, the news page shows pictures from CoinArticle, and the chart keeps its settings in your browser.

On this page
  1. Who is responsible
  2. What we do not collect
  3. Coin pages and the price chart
  4. The news page
  5. What is processed when you visit
  6. The API
  7. Links to other sites
  8. Your rights
  9. Changes

Who is responsible

PolySignals.net is operated by Cryptohopper, which is the controller for any personal data described here.

What we do not collect

  • No accounts, sign-ups or forms. You never give us your name or email.
  • No cookies. This site does not set any.
  • No analytics, advertising or tracking scripts.
  • Fonts, icons and coin logos are served from our own domain, so no font or logo provider sees your visit.

Coin pages and the price chart

Coin pages draw price charts, and so does the trend chart widget wherever it is embedded. To fill them, your browser asks an exchange’s public API for the candles directly: Coinbase’s for most coins, Bybit’s for TRON and Mantle. That exchange receives your IP address, your browser details and the coin you are viewing, as any site you contact does, and its own privacy policy applies to that.

The chart also saves its settings in your browser: the pair, window, chart type, indicators and any drawings you make go in local storage, and its own preferences may be kept in IndexedDB. This data stays on your device and is never sent to us. Clear this site’s data in your browser settings to remove it.

The news page

The news page lists headlines from CoinArticle and shows each article’s picture straight from coinarticle.com, so CoinArticle receives your IP address and browser details when you open that page. Its own privacy policy applies to that.

What is processed when you visit

The website and the API are static files served from Amazon Web Services (Amazon CloudFront and Amazon S3, with the origin in the EU), behind Cloudflare, which provides our DNS and a security and caching layer in front of them. Like any web server, these providers receive your IP address, user agent, the pages and API paths you request and the time of the request in order to deliver them. We do not use this information to identify or profile visitors, and we do not turn on access logging on our own hosting. AWS and Cloudflare process this data as our providers under their own terms and keep their own operational logs.

The API

Requests to the JSON API are handled exactly like page requests: no key, no account, no tracking. If you build something on the API, your users’ requests go straight to the same providers as described above.

We link to Polymarket, Kalshi, Limitless, Gemini, Binance, Deribit, Bybit, OKX, Cryptohopper and other third parties. Once you follow such a link, that site’s own privacy policy applies.

Your rights

Because we hold no account data about you, there is usually nothing for us to show, correct or delete. If you believe we hold personal data about you, you have the rights provided by the GDPR, including access, rectification, erasure and the right to lodge a complaint with your supervisory authority. Contact us through the options on cryptohopper.com.

Changes

If the site starts collecting anything new, this page will change first and the date at the top will move.