Privacy Policy

Effective: April 23, 2026 · Last updated: June 19, 2026

StockDigging is a free, read-only tool for ranking and comparing Korean and US stocks. It does not connect to any brokerage or bank account, has no trading function, and uses social login only — we never store your password.

1. Information We Collect

When you sign in via social login (Google or Naver OAuth), we collect the following information:
  • Email address (for account identification)
  • Display name and profile picture (optional, if provided by OAuth provider)
No personal information is collected when you use the Service without signing in.

2. How We Use Your Information

  • User identification and login processing
  • Saving and syncing your favorites list
  • Aggregated, anonymous usage analytics

3. Data Retention

Your data is deleted immediately upon account deletion request. Please contact us by email to request deletion.

4. Third-Party Sharing & Processors

We never sell your personal information or share it for marketing. To operate the Service we use the following processors: Supabase (login authentication & favorites storage), Google Analytics (anonymous usage statistics), and Google AdSense (advertising). Disclosure may occur only where required by applicable law.

5. Cookies & Analytics

The Service uses Google Analytics for usage analytics, which sets analytics cookies. The data collected is aggregate, anonymous statistics (page views, referral source, device/browser type). We also use localStorage to save your theme (dark mode) preference.

To support the free Service, we display ads through Google AdSense. Google and third-party vendors use cookies to serve ads based on your prior visits to this and other websites. You may opt out of personalized advertising via Google Ads Settings, or opt out of third-party vendor cookies at aboutads.info. For how Google uses data, see Google's Privacy & Terms.

6. Operator & Contact

Operated by 방향속도시간연구소 (Business Reg. No. 759-14-02709), Daejeon, Republic of Korea. Data sources are listed on the Data Sources page (DART, FMP, etc.).
Privacy inquiries: [email protected]
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