You can buy shares in the companies that dominate global production. These are high-risk, high-reward plays tied directly to the spot price of lithium. Lithium Americas

ETFs are the most common way to invest in lithium. They offer a basket of companies involved in the entire value chain, from mining to battery manufacturing.

For individual investors, buying lithium as a raw commodity is not straightforward because it does not trade on open exchanges like gold or oil. Instead, you can gain exposure to the "lithium theme" through equities, funds, or derivatives.