---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/43065846.md"
description: "$XL2CSOPHYNIX(07709.HK) the underlying stock closed down 3.8, this two-times one is 17.8, isn't that like 4.5 times? What's going on?"
datetime: "2026-07-30T06:36:08.000Z"
locales:
  - [en](https://longbridge.com/en/topics/43065846.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/43065846.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/43065846.md)
author: "[jason martin](https://longbridge.com/en/profiles/16697694.md)"
---

# $XL2CSOPHYNIX(07709.HK) the underlying stock close…


### Related Stocks

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

## Comments (5)

- **新用户_m58nZ · 2026-07-30T06:43:04.000Z · 👍 1**: The underlying stock dropped by 3.8, but the 2x leveraged product dropped by 7.6? Who told you it's calculated that way?
  - **jason martin** (2026-07-30T06:43:37.000Z): It can't be that big of a difference, right?
  - **新用户_m58nZ** (2026-07-30T06:45:26.000Z): You bought an ETF, and you also need to calculate the premium for ETFs.It's not a 2x leveraged stock.
  - **小米，美团还钱** (2026-07-30T06:46:38.000Z): How is it calculated?