---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/39657420.md"
description: "$XL2CSOPHYNIX(07709.HK) basically needs to double to return to its previous high, meaning the underlying stock still needs to rise 50%. Indeed, this thing has high decay."
datetime: "2026-04-01T01:24:46.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39657420.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39657420.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39657420.md)
author: "[加州盛夏](https://longbridge.com/en/profiles/17169713.md)"
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/topics/39657420.md) | [繁體中文](https://longbridge.com/zh-HK/topics/39657420.md)


# $XL2CSOPHYNIX(07709.HK) basically needs to double …


### Related Stocks

- [XL2CSOPHYNIX (07709.HK)](https://longbridge.com/en/quote/07709.HK.md)

## Comments (7)

- **博哥bobo · 2026-04-01T01:48:37.000Z**: It's basically impossible to return to the previous high
- **巴菲特青岛分特 · 2026-04-01T01:46:22.000Z**: The author is right. Unless SK hynix's underlying stock doubles, it should never reach its previous high again.
- **August_08 · 2026-04-01T01:36:14.000Z**: Back to the previous high and double? You mean back to 10000 and then to 20000?
- **August_08 · 2026-04-01T01:35:17.000Z**: How did you calculate that?
  - **加州盛夏** (2026-04-01T01:38:16.000Z): This is a two-fold leverage. The previous high was 43, yesterday it was 21. To get back to 43, it needs to double, right? So the underlying stock still needs to rise 50% for this two-fold leverage to 
  - **HooZoo** (2026-04-01T01:51:00.000Z): The underlying stock needs to rise by 70% to work, can't reach double, but can fall at twice the speed.
  - **加州盛夏** (2026-04-01T01:55:43.000Z): Indeed, based on a 1.5x increase, 50% still isn't enough.