Lithium hydroxide follows at $13,700 per metric ton, maintaining a distinct price gap from its carbonate counterpart. Cobalt sulphate remains at $6,300 per metric ton, while nickel sulphate is priced at $3,930. Flake graphite, the most affordable of the tracked materials, currently sits at $415 per metric ton on an FOB China basis.

These valuations reflect mid-price estimates, with update frequencies tailored to market liquidity. Lithium carbonate, lithium hydroxide, and cobalt sulphate data points undergo weekly revisions to account for rapid shifts in demand. Nickel sulphate prices are adjusted on a bi-weekly basis, while flake graphite valuations are updated monthly. All figures are denominated in U.S. dollars per metric ton.