---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/42247430.md"
description: "Yesterday before the market opened, I placed limit orders for calls at 358 and 350, forgetting to calculate the premium, and ended up buying one at 354. Today before the market opened, I just set a random price and sold it.Made a little profit, which corresponds to reducing 7200 in margin financing.Equivalent to reducing it without any loss.With such a strong rebound today, one might think any further action is a bit redundant 🤔But right now I'm only thinking about controlling risk. If it can reach 380 next week, I'd rather raise my cost basis and reduce all my margin financing."
datetime: "2026-06-26T14:38:26.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42247430.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42247430.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42247430.md)
author: "[经年知风](https://longbridge.com/en/profiles/20201129.md)"
---

# Yesterday before the market opened, I placed limit…


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