---
type: "Topics"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/topics/39917352.md"
description: "$Roundhill Memory ETF(DRAM.US)怎么不跟海力士跟三星，莫名其妙"
datetime: "2026-04-15T02:33:23.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39917352.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39917352.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39917352.md)
author: "[江江最帅](https://longbridge.com/zh-CN/profiles/19057432.md)"
---

# $Roundhill Memory ETF(DRAM.US)怎么不跟海力士跟三星，莫名其妙…


### 相关股票

- [DRAM.US](https://longbridge.com/zh-CN/quote/DRAM.US.md)
- [MU.US](https://longbridge.com/zh-CN/quote/MU.US.md)
- [SSNGY.US](https://longbridge.com/zh-CN/quote/SSNGY.US.md)