Sigma Lithium Corporation (NasdaqCM: SGML) has a market capitalization of $881.41M. Last close $7.83 (as of 2026-10-26); 52-week range $4.62 to $24.48. ORTEX data as of 2026-10-22: short interest is 9.56% of free float, 2.6 days to cover and the average cost to borrow is 0.88%.