---
type: "Topics"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/topics/31372933.md"
description: "$TNA 250725 36 Call(TNA250725C36000.US)学习期权快一个月了，买卖得很保守，第一次把成本 t 成负数，纪念一下"
datetime: "2025-07-01T17:31:01.000Z"
locales:
  - [en](https://longbridge.com/en/topics/31372933.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/31372933.md)
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author: "[windtch](https://longbridge.com/zh-CN/profiles/18133131.md)"
---

# $TNA 250725 36 Call(TNA250725C36000.US)学习期权快一个月了，买…