We collect the minimum information required to operate the service: your email address (for sign-in), payment method (handled by Stripe — we never see card numbers), and your preferences (currency, risk-calculator inputs). We use Supabase for authentication and data storage, Stripe for payments, Vercel for hosting, Twelve Data and Binance for market data, and Google Gemini for AI analysis. We do not sell your data. You can request export or deletion of your account data by emailing hello@xupertrading.com.