---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/27924958.md"
description: "$Taiwan Semiconductor(TSM.US) To make a long story short, Duan Yongping has started selling some puts on Taiwan Semiconductor Manufacturing Company. Over the past year, he has built positions in Alibaba, Tencent, and Pinduoduo in the same way. U.S. stocks require disclosure, and Pinduoduo already accounts for 5%. Alibaba and Tencent were bought in Hong Kong stocks, and it's unclear how much was invested. Selling puts is Duan's usual prelude to building or even increasing positions."
datetime: "2025-03-08T01:04:14.000Z"
locales:
  - [en](https://longbridge.com/en/topics/27924958.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/27924958.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/27924958.md)
author: "[晓风 morning_wind](https://longbridge.com/en/profiles/6620864.md)"
---

# $Taiwan Semiconductor(TSM.US) To make a long story…


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## Comments (20)

- **张斐骑牛 · 2025-03-10T09:51:32.000Z**: Now TSMC feels like it's in free fall every time the market opens.
  - **晓风 morning_wind** (2025-03-10T14:19:47.000Z): Hold on!
- **游学者黑皮 · 2025-03-08T13:55:58.000Z · 👍 3**: Boss Duan's usual move, earning margin while locking in the cost price.
  - **财不入急门¥** (2025-03-10T01:38:53.000Z): Why explain it this way, tell us, big shot
  - **主力的小韭菜** (2025-03-10T14:02:16.000Z): As someone explained earlier, if the price falls to the strike price, the big players can hold at a very low price and wait for valuation recovery. If the price never drops, they can keep collecting p
- **Earn a bit every day · 2025-03-08T12:33:08.000Z**: Selling a put means you believe the stock won't experience significant ups or downs, and you're waiting for the time value to decay? Is this understanding correct?
  - **晓风 morning_wind** (2025-03-10T00:44:28.000Z): No
  - **JoinYAO稳住** (2025-03-10T01:11:18.000Z): Is selling put a short position?
  - **财不入急门¥** (2025-03-10T01:39:16.000Z): Bullish
- **赛博摸鱼选手 · 2025-03-08T04:33:20.000Z · 👍 1**: If it falls further, buy some more
- **顺心财来 · 2025-03-08T02:50:01.000Z**: Seems like I heard he also sold puts on NVIDIA
  - **晓风 morning_wind** (2025-03-08T04:37:32.000Z): Yes
- **Alice888 · 2025-03-08T01:21:44.000Z**: What's the strike price for selling puts on TSMC?
  - **晓风 morning_wind** (2025-03-08T02:06:56.000Z): 175
  - **哥哥** (2025-03-08T02:15:03.000Z): But TSMC's low point is already above 175.
  - **晓风 morning_wind** (2025-03-08T04:37:23.000Z): It doesn't affect selling puts