--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/42846751.md" description: "$XL2CSOPHYNIX(07709.HK) I don't quite understand the principle; doesn't it follow the underlying stock's trend?" datetime: "2026-07-22T06:16:38.000Z" locales: - [en](https://longbridge.com/en/topics/42846751.md) - [zh-CN](https://longbridge.com/zh-CN/topics/42846751.md) - [zh-HK](https://longbridge.com/zh-HK/topics/42846751.md) author: "[买前想好](https://longbridge.com/en/profiles/16840772.md)" generator: "portal-rs" --- # $XL2CSOPHYNIX(07709.HK) I don't quite understand t… ### Related Stocks - [07709.HK](https://longbridge.com/en/quote/07709.HK.md) ## Comments (2) - **新用户_gEOewT · 2026-07-22T07:34:22.000Z**: If there's anything you don't understand, the underlying stock closed down 0.3%, with a premium of over 1%. It's around -2.* now. None of the 2x stocks strictly maintain a 2x ratio. - **JW的Targa梦 · 2026-07-22T06:21:46.000Z**: Down by two times, up by one time. Southern [Company] keeps the remaining one for itself. --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**