Privacy Policy
Stock Analysis respects your privacy and handles information only as needed to provide and improve the service.
Last updated: July 25, 2026
Operator and contact
This website is operated as Stock Analysis. For questions about personal information, please use the contact channel below. Do not post personal information or API keys publicly.
Contact channel (GitHub Issues)Email: zyl0lab0901@gmail.comRelated information website: https://www.zyl0-lab.com/Information we may handle
We may handle technical information such as pages viewed, access time, browser and device details, and IP address for security, troubleshooting, and understanding how the service is used. If you sign in, we handle the account identifiers provided by Clerk and the watchlist symbols saved through this website.
How information is used
- To provide and improve market prices, charts, economic indicators, sentiment, and related features.
- To provide sign-in, save watchlists, and keep user data separated.
- To detect abuse, investigate failures, and maintain service security.
- To aggregate and analyze page usage when Google Analytics is configured.
Third-party services
This website may use Clerk for authentication, Neon for database hosting, Yahoo Finance and other market-data providers, FRED, DBnomics, Nasdaq, CNN, and Alternative.me for external data, and Google Analytics, Google AdSense, and A8.net for analytics and advertising. Each service is governed by its own privacy policy. External data providers may handle access information when this website requests data from them.
Advertising and personalization
Third-party vendors, including Google, may use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables Google and its partners to serve ads based on visits to this website or other websites.
You can reviewGoogle Ads Settings to turn off personalized advertising. You can also usethe aboutads.info opt-out page to manage third-party vendors' use of cookies for personalized advertising.
Accounts and watchlists
Sign-in is required to use watchlists. Watchlist symbols are stored in the Neon database and associated with the user's Clerk ID. This website does not store user API keys, passwords, or Clerk credentials in its application database.
AI chat and API keys
AI chat uses the Anthropic or OpenAI API key entered by the user and the conversation content to relay a request to the selected AI provider. This website does not store the API key as account data. Review the selected provider's terms and privacy policy for its handling of requests.
Retention and security
Information is retained only for as long as needed for service operation, security, and legal obligations. Watchlists are retained until the user deletes them or for as long as needed to operate the service. Retention of external-service logs and cookies is governed by each provider's settings and policies.
Changes to this policy
This policy may be updated when the law, service features, or advertising and analytics usage changes. The last-updated date on this page will be changed when an important update is made.