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Payments are processed by Stripe (incl. Alipay/WeChat) and PayPal hosted checkout. We never store card numbers or payment credentials.
Monthly vs yearly billing?
Identical features; yearly pays 12 months upfront at a discount. Switch anytime.
How do I cancel?
Cancel anytime in Account → Manage; access lasts until the end of the current billing period.
Which payment methods are supported?
Stripe (Alipay/WeChat/cards built-in) and PayPal hosted checkout — your card details never touch our servers.
Where does the data come from?
Free public sources (Tencent/Sina quotes etc.), forward-adjusted, auto-updated daily after close.
Is this investment advice?
No. This is a quant research tool. All outputs are for research only and do not constitute investment advice.
Live payments via Stripe (incl. Alipay/WeChat) + PayPal hosted checkout; dev env simulates activation.