Contact

For feedback, correction requests, subscriptions and advertising inquiries, email contact@j-kabu.jp.

We review messages in turn. Depending on the inquiry, a reply may take time or may not be possible.

What you can contact us about

• Incorrect data or update requests
• Website issues
• Pro subscriptions, billing, cancellation and refunds
• Advertising and partnerships
• Privacy inquiries
• Requests for disclosure of seller information under Japan's Specified Commercial Transactions Act

Investment inquiries

We do not provide advice on trading individual stocks or on portfolios. Make investment decisions at your own responsibility.

Last updated: September 15, 2026.