--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/41408847.md" description: "$Roundhill Memory ETF(DRAM.US)The core audience of ETFs is ordinary retail investors. When the stock price rises to hundreds or even thousands of dollars, not only does the barrier to buying and selling become higher, but the cost of options trading also increases significantly. Therefore, issuers (ProShares) often perform a stock split when the stock price breaks through around $150, forcing the unit price back to the "sweet spot" of around $50 - $80 to maintain sufficient liquidity." datetime: "2026-06-03T02:14:46.000Z" locales: - [en](https://longbridge.com/en/topics/41408847.md) - [zh-CN](https://longbridge.com/zh-CN/topics/41408847.md) - [zh-HK](https://longbridge.com/zh-HK/topics/41408847.md) author: "[东南西北的东Dong](https://longbridge.com/en/profiles/16927178.md)" --- # $Roundhill Memory ETF(DRAM.US)The core audience of… ### Related Stocks - [DRAM.US](https://longbridge.com/en/quote/DRAM.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md)