Sigma Lithium remains a Strong Buy as lithium prices rise and operations improve.

Sigma Lithium is rated a Strong Buy due to strengthening lithium market fundamentals and the company's progress toward cash-positive operations. Despite volatility caused by mine ramp-up challenges and skepticism, spodumene prices have surged 64% year-to-date to $2,080 per ton, driven by strong demand from electric vehicles and battery energy storage systems. The supply response has lagged, supporting high lithium prices well above Sigma Lithium's cash costs. Although financials for 2025 appear weak, the company's low-cost position and operational improvements could lead to a significant stock re-rating if execution continues successfully.