Core Insights - A significant demand for critical minerals is emerging, essential for electric vehicles, batteries, and clean energy systems, with two U.S.-listed ETFs, VanEck Rare Earth And Strategic Metals ETF (REMX) and Amplify Lithium & Battery Technology ETF (BATT), positioned at the forefront of this trend [1][2] ETF Overview - REMX focuses on rare earth and strategic metal miners, tracking the MVIS Global Rare Earth/Strategic Metals Index, and includes companies like MP Materials Corp, Lynas Rare Earths, and Pilbara Minerals, which are crucial in the U.S.-China supply chain dynamics [3] - BATT tracks the EQM Lithium & Battery Technology Index, combining miners such as Albemarle Corp and Glencore with downstream manufacturers like Panasonic and Samsung SDI, thus capturing both extraction and downstream demand from the EV and energy storage sectors [4] Performance Metrics - Both ETFs have expense ratios between 0.58% and 0.59%, with REMX managing approximately $1.3 billion in assets and BATT around $91 million; REMX has shown a 79% year-to-date return, while BATT has returned 55% year-to-date, reflecting differing investor interests and market conditions [5] - REMX's performance is heavily influenced by Chinese policy risks, while BATT's broader focus ties its performance to EV adoption and battery margins [6] Investment Implications - For investors interested in mining geopolitics, REMX offers a concentrated investment in supply scarcity, while BATT may appeal to those seeking a more diversified exposure to the clean energy sector [7]