---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/43101664.md"
description: "$XL2CSOPHYNIX(07709.HK) Isn't it supposed to rise normally with the underlying stock? How is a 45% premium calculated?"
datetime: "2026-07-31T01:44:22.000Z"
locales:
  - [en](https://longbridge.com/en/topics/43101664.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/43101664.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/43101664.md)
author: "[我不卖你怎么割](https://longbridge.com/en/profiles/9235079.md)"
---

# $XL2CSOPHYNIX(07709.HK) Isn't it supposed to rise …


### Related Stocks

- [07709.HK](https://longbridge.com/en/quote/07709.HK.md)
- [SKHY.US](https://longbridge.com/en/quote/SKHY.US.md)