Optica Rare Earth & Critical Materials ETF is an exchange traded fund launched and managed by Exchange Traded Concepts, LLC. The fund invests in public equity markets of global region. It invests in stocks of companies operating across rare earth or critical metal mining, production, recycling, mineral sands, processing and/or refining sectors. The fund invests in growth and value stocks of companies across diversified market capitalization. It seeks to track the performance of the EQM Rare Earth & Critical Materials Index, by using full replication technique. Optica Rare Earth & Critical Materials ETF is domiciled in the United States.