IAUX ▼ -0.6% - i-80 Gold Corp. $IAUX IAUX IAUX - i-80 Gold Announces Positive Feasibility Study and Initial Mineral Reserves for Granite Creek Underground; After-Tax NPV(5%) of $118 Million at $2,750/oz Au Increasing to $598 Million at $4,500/oz Au i-80 Gold announced a positive feasibility study for its Granite Creek Underground project with an after-tax NPV(5%) of $118 million at current gold prices of $2,750 per ounce, rising to $598 million if gold reaches $4,500 per ounce. Despite the favorable results showing substantial project economics, IAUX shares fell 0.6% today, suggesting investors may have been expecting either higher present values at current gold prices or a lower all-in sustaining cost profile for the operation. 21-SEP-2026 06:49 PM ET