正在加载 ETF 研究
正在获取最新的基金概况、持仓和市场数据。
正在加载 ETF 研究
正在获取最新的基金概况、持仓和市场数据。

Chicago Board Options ExchangeETF
US$23.54
+US$0.75 · +3.29%
截至 9月16日 15:57 ET
US$22.80
−US$0.74 · -3.14%
盘后 · 截至 9月16日 17:45 ET
盘中时间采用ET。市场数据可能有所延迟。
PRAM focuses on AI demand by targeting its supply chain, including companies in the memory and photonics sectors. These companies store data and help move data rapidly between chips, servers, and data centers using light. The index includes equity securities globally, with the following business exposure: data storage drives and peripherals, semiconductors, including flash memory, volatile memory, networking, RF analog and mixed signal, and other memory semiconductors, and optoelectronics electronic components. Companies must be listed on one of these exchanges: NASDAQ, NYSE, HKEX, Taiwan Stock Exchange (including Taipei Exchange), Korea Exchange, OMX Nordic Stockholm, and Tokyo Stock Exchange. The index targets the 20 largest securities and weights them equally. It undergoes quarterly rebalancing. PRAM may invest directly in stocks or in derivatives that have the same exposure as the index components.
基金资料更新于 2026年9月17日。
当日区间
当前US$23.54
52 周区间
当前US$23.54
成立以来
-8.51%
累计价格变动不包括分红,以及投资者特定的税费、交易成本和现金流。
显示已报告的 3 项持仓中的 3 项
持仓数据更新于 2026年9月17日。
在 GoAI 中继续
结合更广泛的市场背景,在 GoAI 中继续研究此 ETF。
ETF 数据可能延迟或不完整,也可能在发布后被修正。持仓和敞口会随时间变化。历史表现不保证未来结果。本页面仅供信息和教育用途,不构成投资建议或推荐。