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Payment methods
Stripe Visa / Mastercard Alipay WeChat Pay Hosted checkout · card details never touch us

Prices are billed in US dollars (USD); the exact charge is shown at checkout. Payments are processed by Stripe hosted checkout (cards / Alipay / WeChat). We never store card numbers or payment credentials.

FAQ
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.

Payments run through Stripe hosted checkout; access is provisioned by webhook right after a successful payment.