---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/38944727.md"
description: "When trading options, you must set a stop loss. If you lose up to 50%, you should cut your losses, because after a 50% loss, you need a 100% gain to break even. Of course, it's best not to touch expiration day options."
datetime: "2026-02-27T14:03:29.000Z"
locales:
  - [en](https://longbridge.com/en/topics/38944727.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/38944727.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/38944727.md)
author: "[恶灵骑士226](https://longbridge.com/en/profiles/18085233.md)"
---

# When trading options, you must set a stop loss. If…


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