Sienna Resources Inc. (TSXV: SIEN) has a market capitalization of $2.60M. Last close CA$0.08; 52-week range CA$0.07 to CA$0.16. ORTEX data as of 2026-10-19: short interest is 0.17% of free float, 0.5 days to cover and the average cost to borrow is 1.15%.