--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/39737459.md" description: "$Roundhill Memory ETF(DRAM.US) Who knows how this stock is calculated? Both Samsung and SK Hynix are up, but why is it only up a little bit?" datetime: "2026-04-07T03:57:30.000Z" locales: - [en](https://longbridge.com/en/topics/39737459.md) - [zh-CN](https://longbridge.com/zh-CN/topics/39737459.md) - [zh-HK](https://longbridge.com/zh-HK/topics/39737459.md) author: "[W时空](https://longbridge.com/en/profiles/20247708.md)" --- # $Roundhill Memory ETF(DRAM.US) Who knows how this … ### Related Stocks - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [DRAM.US](https://longbridge.com/en/quote/DRAM.US.md) - [SSNGY.US](https://longbridge.com/en/quote/SSNGY.US.md) ## Comments (11) - **KAISHENGHK · 2026-04-07T18:12:00.000Z**: This is even less reliable than the double Samsung in Hong Kong stocks. - **不甜, · 2026-04-07T05:52:13.000Z**: Samsung Hynix hasn't risen much either. - **W时空** (2026-04-07T06:01:26.000Z): Isn't it 4 points? - **W时空** (2026-04-07T06:07:55.000Z): I'd still buy the South China double SK Hynix, this one is unreliable. - **不甜,** (2026-04-07T06:27:04.000Z): I also bought Hercules and Six Star. It's just that the wear and tear is a bit annoying, but this one-time leverage should be fine. It's just not purebred Samsung Hynix. For SanDisk Micron, you can ju